370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
118s
max time network
133s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 06:03

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General

Target

windirstat1_1_2_setup.exe
Size

630KB
MD5

3abf1c149873e25d4e266225fbf37cbf
SHA1

6fa92dd2ca691c11dfbfc0a239e34369897a7fab
SHA256

370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd
SHA512

b6d9672a580a02299bc370deb1fd99b5ca10ab86456385870cdae522c185ae51f8d390a7c50fcb5c7898523f52c834bb73515ffc6d0b0bcde210640e815ece9e
SSDEEP

12288:yCjeMsiGVBKvjxTNlZaLlcMj+wXZvQpd9nP2+ZMU2tYspZcMwr/GNd35:yCjeTZa7BTsxewXZUTP2HU2yawjY5

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

windirstat.exe

pid process

108 windirstat.exe

pid	process
108	windirstat.exe

Loads dropped DLL 11 IoCs

Processes:

windirstat1_1_2_setup.exewindirstat.exe

pid	process
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
2652	windirstat1_1_2_setup.exe
108	windirstat.exe
108	windirstat.exe
108	windirstat.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates connected drives 3 TTPs 2 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:

windirstat.exe

description ioc process

File opened (read-only) \??\D: windirstat.exe
File opened (read-only) \??\F: windirstat.exe

description	ioc	process
File opened (read-only)	\??\D:	windirstat.exe
File opened (read-only)	\??\F:	windirstat.exe

Drops file in Program Files directory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	ioc	process
File created	C:\Program Files (x86)\WinDirStat\windirstat.chm	windirstat1_1_2_setup.exe
File created	C:\Program Files (x86)\WinDirStat\Uninstall.exe	windirstat1_1_2_setup.exe
File created	C:\Program Files (x86)\WinDirStat\windirstat.exe	windirstat1_1_2_setup.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

Processes:

resource	yara_rule
\Program Files (x86)\WinDirStat\Uninstall.exe	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

windirstat.exe

pid process

108 windirstat.exe

pid	process
108	windirstat.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat1_1_2_setup.exewindirstat.exe

description	pid	process
Token: SeRestorePrivilege	2652	windirstat1_1_2_setup.exe
Token: SeBackupPrivilege	2652	windirstat1_1_2_setup.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe
Token: SeBackupPrivilege	108	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

108 windirstat.exe
108 windirstat.exe
108 windirstat.exe
108 windirstat.exe

pid	process
108	windirstat.exe
108	windirstat.exe
108	windirstat.exe
108	windirstat.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe
PID 2652 wrote to memory of 108	2652	windirstat1_1_2_setup.exe	windirstat.exe

C:\Users\Admin\AppData\Local\Temp\windirstat1_1_2_setup.exe
"C:\Users\Admin\AppData\Local\Temp\windirstat1_1_2_setup.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652

C:\Program Files (x86)\WinDirStat\windirstat.exe
"C:\Program Files (x86)\WinDirStat\windirstat.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:108

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\WinDirStat\windirstat.chm
Filesize
50KB

MD5
1bddb8a0e0f9cd90a5b3936ec2c2c4cf

SHA1
c8302168fb532fe03e76cb8a82aa53b49ee0bc44

SHA256
1e87c07744054709d271337d8ce06929429b334d70875605cb68ecc4c6610cd1

SHA512
b857de9026b3eab13f4dbc464e6403835e3a61e5e9e3566735bf1ddd8dedc4ecf08807b27207bd8b385250b71ea234b301dd49e6f3c90f1270ae03868c035472

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinDirStat\Help (ENG).lnk
Filesize
1KB

MD5
0adb7282fef5a86be3de63a992d178ed

SHA1
2039f0ec6453d6a552b22f9e9ff8b2f94196a77b

SHA256
aa17e9a1a314ffea124c74fb65626b37b7c3e8f7ae72801fb604b1b0ad3c088b

SHA512
a785569c372c8d4a4da8dd0139aa6fabf06a92b45f30672df5493c8ddf3d0c321626d0b88f95c40b46d5a439b19a98778277ba77338abeeb99f0080d8f61d3ee

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinDirStat\Uninstall WinDirStat.lnk
Filesize
1KB

MD5
b73b168144077a7ed1b9d28d60d35543

SHA1
8a510543474fe4bde2cd180ffb015cba3f06055e

SHA256
8b26a8b5a7e674cd1fd8b5c555210bf439be24549d59cf1e76e551abb78b04f2

SHA512
e0211c41dc1246832bfe3febd94bc9d034f2cff38c550e9a94325c89889b986a1a9c8751dc10792c939cfff8dbe4862a2d54d49fa3287fb0b53015f6635dba8e

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinDirStat\WinDirStat.lnk
Filesize
1KB

MD5
1fea5b65faf5270ebaf481ea82200598

SHA1
fb21ab1770ef37835db16ac5ff093bcc3bd1cc9a

SHA256
569ddf9ee39d2265a4d8737c9e6ab4848e4f1f5c1a59742f198311cb7e819087

SHA512
67817c2893a20458a42e33ec5eb781ca8fbbc77473571af3577314b666ea739f04bd97eb722d0c3073b0552407df4d663d166e17e78bab22cedacb71959ed771

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsdC2F3.tmp\ioSpecial.ini
Filesize
790B

MD5
d41738a043d97236e9ed10145ac81427

SHA1
78ba19e6576f6201d2dfb75fe54cb375e2e4d568

SHA256
809e8a23ae20f301b0c5e09d8e8eefeedb8ab97e9e52ea902ee9ba7ff9561be1

SHA512
7002fa34743a4737f0ec7e14066a47033fa1f9143156c16fee2a38c4e25db95396bae18dfb224a5d72a97bed71925086986ef1725a811888909dbb0e9d487111

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsdC2F3.tmp\ioSpecial.ini
Filesize
799B

MD5
43b2c48c7869945375845ae8dc53c023

SHA1
a8e20033c1052d7131c49e9c4ac356983016a65c

SHA256
65127110503008d572bf4b02b5cd2e0eb64d0b18816c51bb84d6189c78001782

SHA512
0d9928913b406452544ca2553a25ef85e2f4c6c987ab4313d6e32200c129875b0fc58ef41cf4e8e3bebf33d6ccfc804e58fefaafae845d8e80761bc208e78871

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsdC2F3.tmp\ioSpecial.ini
Filesize
725B

MD5
f0b0bc1ce2dd665868ad4a6d33da2999

SHA1
05b7efc3e75f1abbc75f68a93ea6b0710eb16fca

SHA256
6ea921ade0a5f11b00771435250d9caefac27ef54eeedc853c0a71b251450681

SHA512
f1ac632ce6c16de6359ba9bac1937d1b0bd4c3db7a2c3a5867d161b38a040963edd1a94e4d3557bd1715eed02b7112eae6ff1d6364bb620fa456d1d4479dedb7

Download Submit
C:\Users\Admin\Desktop\WinDirStat.lnk
Filesize
1KB

MD5
e5f95487206d6cf5a9f1ed3ece342d8b

SHA1
41bb7a6cdc945b3ee07cd15644b070514a2d3677

SHA256
377c26cfc8c8cdc5566bb868b4090aa4082aff4ec25bbed13978110046402a15

SHA512
5d578e20e4e15959e5dbfa31d9065e5649bd63bf6b42c86ed97c1689061b04c65096573f4ed1b373a1e8ecddae46f1b25b26d2ced23205abd0f498417ff3702d

Download Submit
\Program Files (x86)\WinDirStat\Uninstall.exe
Filesize
46KB

MD5
a127e6118b9dd2f9d5a7cc4d697a0105

SHA1
9ac17d4dcf0884ceafacf10c42209c0942dfe7a8

SHA256
afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670

SHA512
0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065

Download Submit
\Program Files (x86)\WinDirStat\windirstat.exe
Filesize
636KB

MD5
24cd9a82fcfc658dd3ae7ba25c958ffb

SHA1
26e14a532e1e050eb20755a0b7a5fea99dd80588

SHA256
cc3ee246f2710dc9ba9e2a88e3192b88f1db4caa2eefb8641642a33df04e585c

SHA512
4de675be1f7d618d133ef24765a027840473e0c5bc93550d5e5fdbf078edc74c2241e6e3cd8753517e2954c7f09b9909028de7b727294d723fb5700658c7979d

Download Submit
\Users\Admin\AppData\Local\Temp\nsdC2F3.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
\Users\Admin\AppData\Local\Temp\nsdC2F3.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads