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Analysis
-
max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
-
submitted
03/04/2023, 01:19
General
-
Target
https://www.win-rar.com/postdownload.html?&L=0&Version=32bit
Score
10/10
Malware Config
Extracted
Path
C:\Users\Admin\Downloads\Rar.txt
Ransom Note
User's Manual
~~~~~~~~~~~~~
RAR 6.21 console version
~~~~~~~~~~~~~~~~~~~~~~~~
=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Welcome to the RAR Archiver!
-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Introduction
~~~~~~~~~~~~
RAR is a console application allowing to manage archive files
in command line mode. RAR provides compression, encryption,
data recovery and many other functions described in this manual.
RAR supports only RAR format archives, which have .rar file name
extension by default. ZIP and other formats are not supported.
Even if you specify .zip extension when creating an archive, it will
still be in RAR format. Windows users may install WinRAR, which supports
more archive types including RAR and ZIP formats.
WinRAR provides both graphical user interface and command line mode.
While console RAR and GUI WinRAR have the similar command line syntax,
some differences exist. So it is recommended to use this rar.txt manual
for console RAR (rar.exe in case of Windows version) and winrar.chm
WinRAR help file for GUI WinRAR (winrar.exe).
Configuration file
~~~~~~~~~~~~~~~~~~
RAR and UnRAR for Unix read configuration information from .rarrc file
in a user's home directory (stored in HOME environment variable)
or in /etc directory.
RAR and UnRAR for Windows read configuration information from rar.ini file,
placed in the same directory as the rar.exe file.
This file can contain the following string:
switches=<any RAR switches separated by spaces>
For example:
switches=-m5 -s
It is also possible to specify separate switch sets for individual
RAR commands using the following syntax:
switches_<command>=<any RAR switches separated by spaces>
For example:
switches_a=-m5 -s
switches_x=-o+
Environment variable
~~~~~~~~~~~~~~~~~~~~
Default parameters may be added to the RAR command line by establishing
an environment variable "RAR".
For instance, in Unix following lines may be added to your profile:
RAR='-s -md1024'
export RAR
RAR will use this string as default parameters in the command line and
will create "solid" archives with 1024 MB sliding dictionary size.
RAR handles options with priority as following:
command line switches highest priority
switches in the RAR variable lower priority
switches saved in configuration file lowest priority
Log file
~~~~~~~~
If switch -ilog is specified in the command line or configuration file,
RAR will write informational messages about errors encountered while
processing archives into a log file. Read the switch -ilog description
for more details.
The file order list for solid archiving - rarfiles.lst
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rarfiles.lst contains a user-defined file list, which tells RAR
the order in which to add files to a solid archive. It may contain
file names, wildcards and special entry - $default. The default
entry defines the place in order list for files not matched
with other entries in this file. The comment character is ';'.
In Windows this file should be placed in the same directory as RAR
or in %APPDATA%\WinRAR directory, in Unix - to the user's home directory
or in /etc.
Tips to provide improved compression and speed of operation:
- similar files should be grouped together in the archive;
- frequently accessed files should be placed at the beginning.
Normally masks placed nearer to the top of list have a higher priority,
but there is an exception from this rule. If rarfiles.lst contains such
two masks that all files matched by one mask are also matched by another,
that mask which matches a smaller subset of file names will have higher
priority regardless of its position in the list. For example, if you have
*.cpp and f*.cpp masks, f*.cpp has a higher priority, so the position of
'filename.cpp' will be chosen according to 'f*.cpp', not '*.cpp'.
RAR command line syntax
~~~~~~~~~~~~~~~~~~~~~~~
Syntax
RAR <command> [ -<switches> ] <archive> [ <@listfiles...> ]
[ <files...> ] [ <path_to_extract\> ]
Description
Command is a single character or string specifying an action to be
performed by RAR. Switches are designed to modify the way RAR performs
such action. Other parameters are archive name and files to be archived
or extracted.
Listfiles are plain text files containing names of files to process.
File names must start at the first column. It is possible to
put comments to the listfile after // characters. For example,
you can create backup.lst containing the following strings:
c:\work\doc\*.txt //backup text documents
c:\work\image\*.bmp //backup pictures
c:\work\misc
and then run:
rar a backup @backup.lst
If you wish to read file names from stdin (standard input),
specify the empty listfile name (just @).
By default, console RAR uses the single byte encoding in list files,
but it can be redefined with -sc<charset>l switch.
You can specify both usual file names and list files in the same
command line. If neither files nor listfiles are specified,
then *.* is implied and RAR will process all files.
path_to_extract includes the destination directory name followed by
a path separator character. For example, it can be c:\dest\ in Windows
or data/ in Unix. It specifies the directory to place extracted files
in 'x' and 'e' commands. This directory is created by RAR if it does not
exist yet. Alternatively it can be set with -op<path> switch.
Many RAR commands, such as extraction, test or list, allow to use
wildcards in archive name. If no extension is specified in archive
mask, RAR assumes .rar, so * means all archives with .rar extension.
If you need to process all archives without extension, use *. mask.
*.* mask selects all files. Wildcards in archive name are not allowed
when archiving and deleting.
In Unix you need to enclose RAR command line parameters containing
wildcards in single or double quotes to prevent their expansion
by Unix shell. For example, this command will extract *.asm files
from all *.rar archives in current directory:
rar e '*.rar' '*.asm'
Command could be any of the following:
a Add files to archive.
Examples:
1) add all *.hlp files from the current directory to
the archive help.rar:
rar a help *.hlp
2) archive all files from the current directory and subdirectories
to 362000 bytes size solid, self-extracting volumes
and add the recovery record to each volume:
rar a -r -v362 -s -sfx -rr save
Because no file names are specified, all files (*) are assumed.
3) as a special exception, if directory name is specified as
an argument and if directory name does not include file masks
and trailing path separator, the entire contents of the directory
and all subdirectories will be added to the archive even
if switch -r is not specified.
The following command will add all files from the directory
Bitmaps and its subdirectories to the RAR archive Pictures.rar:
rar a Pictures.rar Bitmaps
4) if directory name includes the trailing path separator,
normal rules apply and you need to specify switch -r to process
its subdirectories.
The following command will add all files from directory Bitmaps,
but not from its subdirectories, because switch -r is not
specified:
rar a Pictures.rar Bitmaps\*
c Add archive comment. Comments are displayed while the archive is
being processed. Comment length is limited to 256 KB.
Examples:
rar c distrib.rar
Also comments may be added from a file using -z[file] switch.
The following command adds a comment from info.txt file:
rar c -zinfo.txt dummy
ch Change archive parameters.
This command can be used with most of archive modification
switches to modify archive parameters. It is especially
convenient for switches like -cl, -cu, -tl, which do not
have a dedicated command.
It is not able to recompress, encrypt or decrypt archive data
and it cannot merge or create volumes. If no switches are
specified, 'ch' command just copies the archive data without
modification.
If used with -amr switch to restore the saved archive name
and time, other archive modification switches are ignored.
Example:
Set archive time to latest file:
rar ch -tl files.rar
cw Write archive comment to specified file.
Format of output file depends on -sc switch.
If output file name is not specified, comment data will be
sent to stdout.
Examples:
1) rar cw arc comment.txt
2) rar cw -scuc arc unicode.txt
3) rar cw arc
d Delete files from archive. If this command removes all files
from archive, the empty archive is removed.
e Extract files without archived paths.
Extract files excluding their path component, so all files
are created in the same destination directory.
Use 'x' command if you wish to extract full pathnames.
Example:
rar e -or html.rar *.css css\
extract all *.css files from html.rar archive to 'css' directory
excluding archived paths. Rename extracted files automatically
in case several files have the same name.
f Freshen files in archive. Updates archived files older
than files to add. This command will not add new files
to the archive.
i[i|c|h|t]=<string>
Find string in archives.
Supports following optional parameters:
i - case insensitive search (default);
c - case sensitive search;
h - hexadecimal search;
t - use ANSI, UTF-8, UTF-16 and OEM (Windows only)
character tables;
If no parameters are specified, it is possible to use
the simplified command syntax i<string> instead of i=<string>
It is allowed to specify 't' modifier with other parameters,
for example, ict=string performs case sensitive search
using all mentioned above character tables.
Examples:
1) rar "ic=first level" -r c:\*.rar *.txt
Perform case sensitive search of "first level" string
in *.txt files in *.rar archives on the disk c:
2) rar ih=f0e0aeaeab2d83e3a9 -r e:\texts\*.rar
Search for hex string f0 e0 ae ae ab 2d 83 e3 a9
in rar archives in e:\texts directory.
k Lock archive.
RAR cannot modify locked archives, so locking important archives
prevents their accidental modification by RAR. Such protection
might be especially useful in case of RAR commands processing
archives in groups.
This command is not intended or able to prevent modification
by other tools or willful third party. It implements a safety
measure only for accidental data change by RAR.
Example:
rar k final.rar
l[t[a],b]
List archive contents [technical [all], bare].
'l' command lists archived file attributes, size, date,
time and name, one file per line. If file is encrypted,
line starts from '*' character.
'lt' displays the detailed file information in multiline mode.
This information includes file checksum value, host OS,
compression options and other parameters.
'lta' provide the detailed information not only for files,
but also for service headers like NTFS streams
or file security data.
'lb' lists bare file names with path, one per line,
without any additional information.
You can use -v switch to list contents of all volumes
in volume set: rar l -v vol.part1.rar
Commands 'lt', 'lta' and 'lb' are equal to 'vt', 'vta'
and 'vb' correspondingly.
m[f] Move to archive [files only]. Moving files and directories
results in the files and directories being erased upon
successful completion of the packing operation. Directories will
not be removed if 'f' modifier is used and/or '-ed' switch is
applied.
p Print file to stdout.
Send unpacked file data to stdout. Informational messages
are suppressed with this command, so they are not mixed
with file data.
r Repair archive. Archive repairing is performed in two stages.
First, the damaged archive is searched for a recovery record
(see 'rr' command). If archive contains the previously added
recovery record and if damaged data area is continuous
and smaller than error correction code size in recovery record,
chance of successful archive reconstruction is high.
When this stage has been completed, a new archive is created,
named as fixed.arcname.rar, where 'arcname' is the original
(damaged) archive name.
If broken archive does not contain a recovery record or if
archive is not completely recovered due to major damage,
second stage is performed. During this stage only the archive
structure is reconstructed and it is impossible to recover
files which fail checksum validation, it is still possible,
however, to recover undamaged files, which were inaccessible
due to the broken archive structure. Mostly this is useful
for non-solid archives. This stage is never efficient
for archives with encrypted file headers, which can be repaired
only if recovery record is present.
When the second stage is completed, the reconstructed archive
is saved as rebuilt.arcname.rar, where 'arcname' is
the original archive name.
By default, repaired archives are created in the current
directory, but you can append an optional destpath\ parameter
to specify another destination directory.
Example:
rar r buggy.rar c:\fixed\
repair buggy.rar and place the result to 'c:\fixed' directory.
rc Reconstruct missing and damaged volumes using recovery volumes
(.rev files). You need to specify any existing .rar or .rev
volume as the archive name.
Example:
rar rc backup.part03.rar
Read 'rv' command description for information about
recovery volumes.
rn Rename archived files.
The command syntax is:
rar rn <arcname> <srcname1> <destname1> ... <srcnameN> <destnameN>
For example, the following command:
rar rn data.rar readme.txt readme.bak info.txt info.bak
will rename readme.txt to readme.bak and info.txt to info.bak
in the
Extracted
Path
C:\Users\Admin\Downloads\WhatsNew.txt
Ransom Note
WinRAR - What's new in the latest version
Version 6.21
1. Both file and folder modification timestamps are restored
when unpacking TAR and TAR based archives like tar.gz and tar.bz2.
Previously only file modification timestamps were set
for these archive formats.
2. Added decompression of .tar.zst archives with dictionary
exceeding 128 MB. WinRAR 6.20 allowed such dictionary for .zst,
but not for .tar.zst.
3. Switches -ed and -e+d are also supported by ZIP archives.
Previously they worked only for RAR archives.
4. Bugs fixed:
a) if unencrypted file was stored after encrypted in the same
RAR archive and both files had been unpacked in the same extraction
command, WinRAR 6.20 failed to unpack the unencrypted file;
b) in some cases a wrong detailed reason of file open error could be
displayed in the second line of open error message.
Version 6.20
1. If "Autodetect passwords" option in "Organizer passwords" dialog
is enabled and password matching a processing archive is present
among saved passwords, it is applied automatically. This option
is applicable only for archives in RAR 5.0 and ZIP formats,
which allow to verify the password validity quickly.
There is a minor chance of incorrect password detection
for ZIP archives if stored passwords do not include a proper one.
If encrypted ZIP archive extraction fails, you can try to disable
this option, repeat extraction and enter a valid password manually.
2. If extraction command involves only a part of files in RAR archive,
the additional archive analysis is performed when starting extraction.
It helps to properly unpack file references even if reference source
is not selected. It works for most of RAR archives except for volumes
on multiple removable media and archives containing a very large
number of references.
Also in some cases such analysis may help to optimize the amount
of processing data when extracting individual files from
semi-solid archives created with -s<N> and -se switches.
3. "Save original archive name and time" option on "Options" page
of archiving dialog allows to save the original archive name
and creation time. If archive includes such saved name and time,
they are displayed on "Info" page of "Show information" command
and can be restored on "Options" page of same command.
Restoring involves renaming an archive to original name and setting
the saved time as the archive creation and modification time.
Switch -ams or just -am together with archive modification commands
can be used to save the archive name and time in the command line mode.
These saved parameters are displayed in header of "l" and "v" commands
output and can be restored with -amr switch combined with "ch" command,
such as "rar ch -amr arc.rar". If -amr is specified, "ch" ignores
other archive modification switches.
4. Faster RAR5 compression of poorly compressible data on modern CPUs
with 8 or more execution threads. This applies to all methods
except "Fastest", which performance remains the same.
5. "Repair" command efficiency is improved for shuffled data blocks
in recovery record protected RAR5 archives.
6. If file size has grown after archiving when creating non-solid
RAR volumes, such file is stored without compression regardless of
volume number, provided that file isn't split between volumes.
Previously it worked only for files in the first volume.
7. Added decompression of .zipx archives containing file references,
provided that both reference source and target are selected
and reference source precedes the target inside of archive.
Typically, if .zipx archive includes file references, it is necessary
to unpack the entire archive to extract references successfully.
8. Added decompression of .zst long range mode archives with dictionary
exceeding 128 MB. Previously it was possible to decompress them only
if dictionary was 128 MB or less.
9. If "Turn PC off", "Hibernate", "Sleep" or "Restart PC" archiving
options are enabled in WinRAR, a prompt to confirm or cancel
such power management action is displayed directly before starting it.
If no selection was made by user for 30 seconds, the proposed action
is confirmed and started automatically.
This prompt is also displayed for -ioff switch in WinRAR command line,
but not in console RAR command line.
10. Context menu in WinRAR file list provides "Open in internal viewer"
command for archive files. It can be helpful if you wish to view
the archive raw data in internal viewer. For example, to read
an email archive with UUE attachments included.
Usual "View" command always displays the archive contents.
If file is recognized as UUE archive, "View" would show UUE attachments.
11. Recovery record size is displayed on "Archive" page of file properties
invoked from Explorer context menu for archives in RAR5 format.
Previously there was only "Present" instead of exact size
for RAR5 archives.
12. When archiving from stdin with -si switch, RAR displays the current
amount of read bytes as the progress indicator.
13. If wrong password is specified when adding files to encrypted
solid RAR5 archive, a password will be requested again.
Previous versions cancelled archiving in this case.
14. If both options "Test archived files" and "Clear attribute "Archive"
after compressing" or their command line -t -ac equivalents are
enabled when archiving, "Archive" attribute will be cleared only
if test was completed successfully. Previously it was cleared even
when test reported errors.
15. NoDrives value containing the bit mask to hide drives can be now
read from "HKEY_CURRENT_USER\Software\WinRAR\Policy" Registry key,
which allows to include it to winrar.ini if necessary.
Its "Software\Microsoft\Windows\CurrentVersion\Policies" locations
in HKEY_CURRENT_USER and HKEY_LOCAL_MACHINE are also supported.
Previously only "Software\Microsoft\Windows\CurrentVersion\Policies"
in HKEY_CURRENT_USER was recognized.
16. Bugs fixed:
a) archive modification commands could fail for some ZIP archives
with file comments;
b) fixed a memory leak when reading contents of .tar.bz2 archives;
c) if source and resulting archive format is the same, the archive
conversion command didn't set the original archive time
to a newly created archive even if "Original archive time" option
was selected in archiving parameters;
d) if "Merge volumes contents" option in "Settings/File list" was
turned on, the folder packed size in WinRAR file list could be
less than expected when browsing a multivolume archive contents.
It didn't include the packed size of file parts continuing from
previous volume into calculation;
e) even if "Set file security" extraction option was turned off
by default, extraction commands in Explorer context menu still
attempted to restore NTFS file security data;
f) WinRAR could read data beyond the end of buffer and crash
when unpacking files from specially crafted ZIP archive.
We are thankful to Bakker working with Trend Micro Zero Day
Initiative for letting us know about this bug.
Version 6.11
1. Added support for Gz archives with large archive comments.
Previously the extraction command failed to unpack gz archives
if comment size exceeded 16 KB.
2. Archive comments in gz archives are displayed in the comment window
and recognized by "Show information" command. Large comments are
shown partially.
Previous versions didn't display Gzip comments.
3. Reserved device names followed by file extension, such as aux.txt,
are extracted as is in Windows 11 even without "Allow potentially
incompatible names" option or -oni command line switch.
Unlike previous Windows versions, Windows 11 treats such names
as usual files.
Device names without extension, such as aux, still require these
options to be unpacked as is regardless of Windows version.
4. Switch -mes can be also used to suppress the password prompt
and abort when adding files to encrypted solid archive.
5. Additional measures to prevent extracting insecure links are
implemented.
6. Bugs fixed:
a) if password exceeding 127 characters was entered when unpacking
an encrypted archive with console RAR, text after 127th character
could be erroneously recognized as user's input by different
prompts issued later;
b) wrong archived file time could be displayed in overwrite prompt
when extracting a file from ZIP archive. It happened if such
archive included extended file times and was created in another
time zone. It didn't affect the actual file time, which was set
properly upon extraction.
Version 6.10
1. WinRAR can unpack contents of .zst and .zipx archives utilizing
Zstandard algorithm.
2. Added support of Windows 11 Explorer context menus.
Beginning from Windows 11, an application can add only a single top
level command or submenu to Explorer context menu.
If "Cascaded context menus" in "Integration settings" dialog is on,
this single item is a submenu storing all necessary WinRAR commands.
If this option is off, only one extraction command for archives
and one archiving command for usual files are available.
You can select these commands with "Context menu items..." button
in "Integration settings" dialog.
3. "Legacy context menus" option in "Settings/Integration" dialog
can be used in Windows 11 if WinRAR commands are missing in
"Show more options" Windows legacy context menu or in context menus
of third party file managers. If WinRAR commands are already present
here, keep "Legacy context menus" option turned off to prevent
duplicating them.
This option is not available in Windows 10 and older.
4. Windows XP is not supported anymore. Minimum required operating
system version is Windows Vista.
5. "Close" item is added to "When done" list on "Advanced" page of
archiving dialog. It closes WinRAR window, when archiving is done.
6. "When done" list is added to "Options" page of extraction dialog.
It allows to select an action like turning a computer off
or closing WinRAR after completing extraction.
7. Switch -si can be used when extracting or testing to read archive
data from stdin, such as:
type docs.rar | rar x -si -o+ -pmypwd dummy docs\
Even though the archive name is ignored with this switch,
an arbitrary dummy archive name has to specified in the command line.
Operations requiring backward seeks are unavailable in this mode.
It includes displaying archive comments, testing the recovery record,
utilizing the quick open information, processing multivolume archives.
Prompts requiring user interaction are not allowed.
Use -o[+|-|r], -p<pwd> or -mes switches to suppress such prompts.
8. New -ep4<path> switch excludes the path prefix when archiving
or extracting if this path is found in the beginning of archived name.
Path is compared with names already prepared to store in archive,
without drive letters and leading path separators. For example:
rar a -ep4texts\books archive c:\texts\books\technical
removes "text\books" from archived names, so they start
from 'technical'.
9. New -mes switch skips encrypted files when extracting or testing.
It replaces the former -p- switch.
10. New -op<path> switch sets the destination folder for 'x' and 'e'
extraction commands. Unlike <path_to_extract\> command line parameter,
this switch also accepts paths without trailing path separator
character.
11. If 'p' command is used to print a file to stdout, informational
messages are suppressed automatically to prevent them mixing
with file data.
12. "Generate archive name by mask" option and switch -ag treat only
first two 'M' characters after 'H' as minutes. Previously any
amount of such characters was considered as minutes.
It makes possible to place the time field before the date,
like -agHHMM-DDMMYY. Previous versions considered all 'M'
in this string as minutes.
13. Maximum allowed size of RAR5 recovery record is increased to 1000%
of protected data size. Maximum number of RAR5 recovery volumes
can be 10 times larger than protected RAR volumes.
Previous WinRAR versions are not able to use the recovery record
to repair broken archives if recovery record size exceeds 99%.
Similarly, previous versions cannot use recovery volumes
if their number is equal or larger than number of RAR volumes.
14. Warning is issued if entered password exceeds the allowed limit
of 127 characters and is truncated. Previously such passwords
had been truncated silently.
15. If archive includes reserved device names, the underscore character
is inserted in the beginning of such names when extracting.
For example, aux.txt is converted to _aux.txt. It is done to prevent
compatibility problems with software unable to process such names.
You can use "Allow potentially incompatible names" option
in "Advanced" part of extraction dialog or command line -oni switch
to avoid this conversion.
16. WinRAR attempts to reset the file cache before testing an archive.
It helps to verify actual data written to disk instead of reading
a cached copy.
17. Multiple -v<size> switches specifying different sizes for different
volumes are now allowed also for ZIP archives:
WinRAR a -v100k -v200k -v300k arcname.zip
Previously multiple -v<size> switches were supported only for
RAR archives.
18. Switches -sl<size> and -sm<size> can be used in WinRAR.exe command
line mode when extracting archives in any supported formats,
provided that such archive includes unpacked file sizes.
Previously these switches could filter files by size only in RAR
and ZIP archives.
19. Newer folder selection dialog is invoked when pressing "Browse" button
in WinRAR "Settings/Paths" page, "Repair" and "Convert" commands,
also as in few other similar places. Previously a simpler XP style
folder selection dialog was opened.
20. When restoring from tray after completing an operation,
WinRAR window is positioned under other opened windows,
to not interfere with current user activities.
21. "650 MB CD" is removed and "2 GB volumes" is added to the list of
predefined volume sizes in "Define volume sizes" dialog invoked
from WinRAR "Settings/Compression".
22. "Rename" command selects the file name part up to the final dot.
Previously it selected the entire name.
23. If SFX archive size exceeds 4 GB, an error message is issued
during compression, immediately after exceeding this threshold.
Previously this error was reported only after completing compression.
Executables of such size cannot be started by Windows.
24. Command line -en switch is not supported anymore.
It created RAR4 archives without the end of archive record.
End of archive record permits to gr
URLs
https
http
http://weirdsgn.com
http://icondesignlab.com
https://rarlab.com/themes/WinRAR_Classic_48x36.theme.rar
https://technet.microsoft.com/en-us/library/security/ms14-064.aspx
http://rarlab.com/vuln_sfx_html2.htm
https://blake2.net
Signatures
-
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
-
Modifies system executable filetype association 2 TTPs 8 IoCs
-
Registers COM server for autorun 1 TTPs 3 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Enumerates system info in registry 2 TTPs 3 IoCs
-
Modifies Internet Explorer settings 1 TTPs 4 IoCs
-
Modifies data under HKEY_USERS 2 IoCs
-
Modifies registry class 64 IoCs
-
Suspicious behavior: EnumeratesProcesses 3 IoCs
-
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of FindShellTrayWindow 37 IoCs
-
Suspicious use of SendNotifyMessage 24 IoCs
-
Suspicious use of SetWindowsHookEx 2 IoCs
-
Suspicious use of WriteProcessMemory 64 IoCs
Processes
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://www.win-rar.com/postdownload.html?&L=0&Version=32bit1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcdd959758,0x7ffcdd959768,0x7ffcdd9597782⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1760 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:22⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2168 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2240 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3160 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:12⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3172 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:12⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5144 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5116 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5516 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5504 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5212 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2772 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4604 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=904 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2792 --field-trial-handle=1820,i,17598381433588757994,1808788035461625449,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"1⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Program Files\7-Zip\7zG.exe"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap17184:90:7zEvent216081⤵
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\Downloads\WinRAR.exe"C:\Users\Admin\Downloads\WinRAR.exe"1⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Registers COM server for autorun
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192B
MD553dce872ccfeac11c41acb6b895e9b4b
SHA19f4f5e9cb9bdc31beefa625627667ac1b5211cc9
SHA2564504eb596e0736e0189743e0f0bf291b293d1fee29114bc19c16f84ab2c84220
SHA512235da1d9e4f31e4215b424b4e45c0c992e685edde7f5d28ab9fd1c1148f9729d4eeb748d887c7c17f8887a991e26640ec0a0314fcbb9235382afdc9ca9554599
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Filesize
1KB
MD533a81acf93d646ccf82cd106ff54981a
SHA1d3bf9362e25a61562848ec2d903a4947f33799e9
SHA2566411f5014344e4222050171902c4ed169d73de2c23325c0f0c77d91124b7dda8
SHA512ae4c6e62b8febffb2d9f0f36fca23a6cd8d4fc4fdc49356d8a3f1fe99275a9c63b7cd12b4fd033e348adf3b522b2c1fb5ac1eaf375e24caaac25229c2a521ac6
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Filesize
872B
MD502e4584a0401b610d008780e193bc9e3
SHA1791e3ec96eb383627aa61bb19d5f37e31526aef2
SHA256f592c6450e99d0737b1faa32473b87510460e9678fe36222f730fdb9a56c8dd5
SHA5124ba45eca96cf62bad89df34dd21b67ce13e78876b05457c943d5f10a1f82b2ce3996a124ba7baf9a94f60e906b897f067f37be029c978cf535244d2a9d281bbb
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Filesize
6KB
MD5d41c03ab7b4bd9ff665c335c366b494f
SHA1de5ddffdb17a488ea0f068f8903004eb44bbeea3
SHA2567fcdd0c04679769bddabafd34cd000fde16c30813d3825f2b68f6c9262234858
SHA512cb9c38b57cf4d10b9d79961ea13766656d60eb3b08108883384591385cb71ab40401e7d0e9036e27a951235ccaf0e6048a531777884ea73c808971f4d569d59f
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Filesize
6KB
MD556aa9b125b2bf76563423e046b93ae29
SHA1e421665e29a08580483be73d6b83e420fcbd344d
SHA25638e698510419a5715e019cb11095ab872d839d9e3424b4bd9d3bda78b52dd0bd
SHA512581fbe40006e112cf3fc80cfad7832f202b6a3bd6018a55e2db66dae5e7442d50e39bb139f1435da25740a1125bc8becdb1a94579bb8c0a92fa9efb7d593308a
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Filesize
15KB
MD532903a1008ba9e1ace6256093ad9110d
SHA1756cf6d233e7f4e2216d988f62312bc10a6c25a7
SHA256ba52551d0244b7943d98223cc69af048b5c6f751700d1acade53f51b2018350a
SHA5121f21fbc880eeb8fe9a124caebd47bb2e393eb2cc13cddd9aee65d987eb5a499730d5397df4ab5182ed91a47be5fe13c1f23579f3e241052ae3f2887f92aaef05
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Filesize
173KB
MD5a0c6f07efcebbb1be5e376314a354193
SHA1bf1d93735070556f12727ff406e5c6f0e53cf549
SHA25637dc5cde93fc9107d29c83e158e6a0bc84040f72f323c5dd180a9ac09adbbef9
SHA5121b7b63e93f0a44d4fa175b244a7fc4701fc03d1d5cd970ae0b191c331fa0abebb99a0bf709b85080e9487e66044b5d1698001b1f46d70b7e482817acd5126294
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Filesize
110KB
MD5768eaf7790805733938b54be1161e6ee
SHA1d072bfc96e267d8e939aa72a2bef8d2435d0d2a7
SHA2565d082c453771adaf706bb21f93f6a3faf459fa4a2b254b90f0331cd2761345b8
SHA51235b41ca8dc9dc5725591845e2d6f8a9dc627e8928ed5e6fc861cd3c07083c6f3338cf114e9f2b378f0473844c3a83c7bcbaae4fd2eec6ef15fe5cdd6376b5a25
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Filesize
106KB
MD57e04bbe92c795a99d8f784dcbb59e094
SHA1915339b60e12eff25adced598f4e65bc5a38c9a0
SHA256cf58fdc71048364bf492767bd655d41c11eba22b25a3429dd74a52cb073a6233
SHA512a8d6b6a53871a6d3cd1d3826f467762f45c7dc9df4863aa1394a265afec50b3901baebd1fb5ed07c91c679b22e52d5ddbd6aa2fd66b5197c3a76e53ee2b89c4b
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Filesize
2B
MD599914b932bd37a50b983c5e7c90ae93b
SHA1bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
SHA25644136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
SHA51227c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd
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Filesize
109KB
MD5e51d9ff73c65b76ccd7cd09aeea99c3c
SHA1d4789310e9b7a4628154f21af9803e88e89e9b1b
SHA2567456f489100ec876062d68d152081167ac00d45194b17af4a8dd53680acfc9bd
SHA51257ab82d4a95d3b5d181c0ec1a1a1de56a4d6c83af5644032ff3af71e9bd8e13051ae274609bda8b336d70a99f2fba17331773694d7e98d4a7635f7b59651b77c
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Filesize
3.2MB
MD5f57cd05bbf6ba2c32994887e7a305413
SHA1cab32cf3b89790284dcb084d9ac6048c21c69c5a
SHA25652aae540cd3fd4053a4580a0e1919b0acc2a21277eca20d2d467d9e1907bd09d
SHA512f6b2e63c687fe5c9833293c8eb0eb066eb87d8dc4c8720308596dc867e8e3d8430c3e92092d1b9820a8fdddd1bd931b2804d270cbd517af8f61abf8d9bccfed5
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Filesize
103KB
MD54c88a040b31c4d144b44b0dc68fb2cc8
SHA1bf473f5a5d3d8be6e5870a398212450580f8b37b
SHA2566f1a005a0e5c765fcc68fe15f7ccd18667a6e583980e001ba7181aaaeed442b8
SHA512e7f224a21d7c111b83775c778e6d9fa447e53809e0efd4f3ba99c7d6206036aa3dde9484248b244fb26789467559a40516c8e163d379e84dcf31ac84b4c5d2a8
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Filesize
317KB
MD5381eae01a2241b8a4738b3c64649fbc0
SHA1cc5944fde68ed622ebee2da9412534e5a44a7c9a
SHA256ad58f39f5d429b5a3726c4a8ee5ccada86d24273eebf2f6072ad1fb61ea82d6e
SHA512f7a8903ea38f2b62d6fa2cc755e0d972a14d00a2e1047e6e983902eff1d3a6bca98327c2b8ed47e46435d1156816e4b0d494726fce87b6cbe7722f5249889b88
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Filesize
2.5MB
MD596ca98c71de9e98c68259873407bd4fd
SHA103650d918cbdd886364eb28e3b1750042de1b537
SHA25692c84c7a2ad6ce298d0f73913838c034b9a2bc9265c27ad5da9593f865240721
SHA5123e2925525a0899d2e6a97b7512e13dcad8960bbdc7e1d03f0925dec776b75a02f3d7f21c02bae17656166a76f2a19abd7c380125add7370958d1f744de3244d7
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Filesize
2.5MB
MD596ca98c71de9e98c68259873407bd4fd
SHA103650d918cbdd886364eb28e3b1750042de1b537
SHA25692c84c7a2ad6ce298d0f73913838c034b9a2bc9265c27ad5da9593f865240721
SHA5123e2925525a0899d2e6a97b7512e13dcad8960bbdc7e1d03f0925dec776b75a02f3d7f21c02bae17656166a76f2a19abd7c380125add7370958d1f744de3244d7
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Filesize
566KB
MD50764048a1f48e948adb1c06c24fc9975
SHA12e16cf63062135b4b3daa25d4bd056d63e6316c6
SHA256999e1fd43d96307a717a15ecf2acab0ad66f5cd355290499337935cdcb9ccf8e
SHA51216d403197475459e8ee4879338a7c6ce3982b3e5bcbf089eb059cf6760e611f25656fa2c8c1313c4a7427d90bea1d951d28f210f71dcea8027d80ac9c64338c9
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Filesize
3.2MB
MD5f57cd05bbf6ba2c32994887e7a305413
SHA1cab32cf3b89790284dcb084d9ac6048c21c69c5a
SHA25652aae540cd3fd4053a4580a0e1919b0acc2a21277eca20d2d467d9e1907bd09d
SHA512f6b2e63c687fe5c9833293c8eb0eb066eb87d8dc4c8720308596dc867e8e3d8430c3e92092d1b9820a8fdddd1bd931b2804d270cbd517af8f61abf8d9bccfed5