441116d55e97124a067207bf57483dd3462bccfb034e56c4152675b0dcb118e7

Analysis

max time kernel
166s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-03-2024 15:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
Size

716KB
MD5

cc3f68e8a50b05aa77d88b6119583b9e
SHA1

71c7b93a8947265fe30e6928730504a5456ca788
SHA256

1dd70e803623d5311b71129976710b11a8942d206a5d8d86cdf8417255f15725
SHA512

e4fe7c8ec1d88c0bc81834de0a1212902849d7c9f6228e26fb8aaf3f046011f934d6de01becb339ab88169533ff8dc0d6fad7d6d7ff7e956e408242a21809e55
SSDEEP

12288:ZMMpXKb0hNGh1kG0HWnAsaHy41Dxm1zRRaMMMMM2MMMMMu:ZMMpXS0hN0V0HYah1I1zRRaMMMMM2MMd

Score

10^/10

aspackv2 persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

Renames multiple (93) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	aspack_v212_v242
C:\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini.exe	aspack_v212_v242

Drops startup file 2 IoCs

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

description	ioc	process
File opened (read-only)	\??\H:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\Q:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\Z:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\A:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\E:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\J:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\O:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\P:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\R:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\X:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\B:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\L:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\M:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\N:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\T:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\U:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\W:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\G:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\I:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\K:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\S:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\V:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened (read-only)	\??\Y:	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened for modification	C:\AUTORUN.INF	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

Drops file in System32 directory 3 IoCs

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File opened for modification	C:\Windows\SysWOW64\HelpMe.exe	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
File created	C:\Windows\SysWOW64\notepad.exe.exe	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

Drops file in Program Files directory 1 IoCs

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

description	ioc	process
File created	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

pid process

2284 1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

pid	process
2284	1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe

C:\Users\Admin\AppData\Local\Temp\1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe
"C:\Users\Admin\AppData\Local\Temp\1DD70E803623D5311B71129976710B11A8942D206A5D8D86CDF8417255F15725.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2284

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini.exe
Filesize
716KB

MD5
1aca88f20585a887fdf4ed3ec4874d50

SHA1
7c4f881c18a6e429532f879fb2528d6f0ec0788c

SHA256
af2443c488709c1206dcd4c0dfc748fb9389ba4e7a28b01b8c31039a0ba4e7c9

SHA512
a4fc594f2aa10be2c3f37661b39ee33fb7e82007aa0eb1ac8cedd828713ff76137acbcda854e874653f855654f0d41ff5095cca7a6880144310e6bf5c0d75057

Download Submit
C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe
Filesize
1.5MB

MD5
6ed3a73e9300470c24d19006f723000c

SHA1
ee724e84b5bba75764d40e1e5e58b6c06a1b653b

SHA256
d76a3fa170282ef655ef48e232b906130ed5f59185b332b809feba8b750c4752

SHA512
83ec2ba53271ddf49bf8bdca108b56b3371cb1d6724531a017583c5e2a50703fec49c7a022ce63bb804b5ebd543a9c66b2e362a8d8ba692e1b6d727e87c2fabb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
Filesize
1KB

MD5
11e39be67de9d634f9f9e2e56ea00cc4

SHA1
80fc26054a306f00bed0f587c068eed4e8c847c6

SHA256
ec27aed7da3ea03da374926ab1264f311aac528099f5d23ffce72aa2be3b9c5b

SHA512
eecd46cf4e2f233b358490c40594fc4c738a075a7605f75a04c92d963cd7418e9a8ce9648aa9a2d71e1cc96c080d57122665872b15737ee2a4cd48958933474d

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
memory/2284-230-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-251-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-231-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2284-232-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-234-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-235-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-74-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-245-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-248-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2284-254-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-257-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-259-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-263-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-266-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-269-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2284-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads