370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
151s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
29-07-2024 06:51

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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

9^/10

credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004
Executes dropped EXE 1 IoCs

Processes:

windirstat.exe

pid process

2460 windirstat.exe
Loads dropped DLL 3 IoCs

Processes:

windirstat1_1_2_setup.exe

pid process

3476 windirstat1_1_2_setup.exe
3476 windirstat1_1_2_setup.exe
3476 windirstat1_1_2_setup.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

pid	process
2460	windirstat.exe

pid	process
3476	windirstat1_1_2_setup.exe
3476	windirstat1_1_2_setup.exe
3476	windirstat1_1_2_setup.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\Uninstall.exe	windirstat1_1_2_setup.exe
File created	C:\Program Files (x86)\WinDirStat\windirstat.exe	windirstat1_1_2_setup.exe
File created	C:\Program Files (x86)\WinDirStat\windirstat.chm	windirstat1_1_2_setup.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

windirstat1_1_2_setup.exewindirstat.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windirstat1_1_2_setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windirstat.exe

NSIS installer 1 IoCs

installer

Processes:

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

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat.exe

description	pid	process
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe
Token: SeBackupPrivilege	2460	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

2460 windirstat.exe
2460 windirstat.exe
2460 windirstat.exe
2460 windirstat.exe

pid	process
2460	windirstat.exe
2460	windirstat.exe
2460	windirstat.exe
2460	windirstat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 3476 wrote to memory of 2460	3476	windirstat1_1_2_setup.exe	windirstat.exe
PID 3476 wrote to memory of 2460	3476	windirstat1_1_2_setup.exe	windirstat.exe
PID 3476 wrote to memory of 2460	3476	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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3476

C:\Program Files (x86)\WinDirStat\windirstat.exe
"C:\Program Files (x86)\WinDirStat\windirstat.exe"
2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\WinDirStat\Uninstall.exe
Filesize
46KB

MD5
a127e6118b9dd2f9d5a7cc4d697a0105

SHA1
9ac17d4dcf0884ceafacf10c42209c0942dfe7a8

SHA256
afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670

SHA512
0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065

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

MD5
1bddb8a0e0f9cd90a5b3936ec2c2c4cf

SHA1
c8302168fb532fe03e76cb8a82aa53b49ee0bc44

SHA256
1e87c07744054709d271337d8ce06929429b334d70875605cb68ecc4c6610cd1

SHA512
b857de9026b3eab13f4dbc464e6403835e3a61e5e9e3566735bf1ddd8dedc4ecf08807b27207bd8b385250b71ea234b301dd49e6f3c90f1270ae03868c035472

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

MD5
24cd9a82fcfc658dd3ae7ba25c958ffb

SHA1
26e14a532e1e050eb20755a0b7a5fea99dd80588

SHA256
cc3ee246f2710dc9ba9e2a88e3192b88f1db4caa2eefb8641642a33df04e585c

SHA512
4de675be1f7d618d133ef24765a027840473e0c5bc93550d5e5fdbf078edc74c2241e6e3cd8753517e2954c7f09b9909028de7b727294d723fb5700658c7979d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssA615.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssA615.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssA615.tmp\ioSpecial.ini
Filesize
799B

MD5
34d83c73e59063d01d0f298b8c6a58ad

SHA1
2107eea5cf60312b66b05bb15ce3c313b2ccccb9

SHA256
b976744819eeb581dc6d0f2d275dc4343fc66774489c7b912b2acaad99289747

SHA512
0a1c6a3cd1bb1449745553144e1c3a04f0b998ccdf93db0937f99de8916123405ed708963258ed33193e59e01b577e27b8f68d9735b7482659241b4dbcc72768

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssA615.tmp\ioSpecial.ini
Filesize
725B

MD5
0b4a5b0f371fbdc557d7e51e2843ee1b

SHA1
7452171ceb59bd67db7b8fa3d04d14e99bac6c21

SHA256
711ad346c78dce38cc75e98fc58c1f44f6946396d604ba879110c5b04369d27f

SHA512
d6bfa1b5e9fe3f130f65d0b50721c32deb68befc63cda81fb890201fa965e6114177d48c890695bd138abc96e81107379955de747446be31fbf912b2c5b6a2e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssA615.tmp\ioSpecial.ini
Filesize
751B

MD5
2579c7da823c3340db703144b85f6434

SHA1
ade0f2c86258b488d2516139264a1327c649cfd0

SHA256
760b92e728dcd5182467f8a5e2ff4183f8b0de84b3496d3510817f56a86651b5

SHA512
928ad899e09f761e05cf1e7dbd621bf3d710c495b9998114c738a35a522cad5eac170fcec352fd460951b12d917ebf99b3f727082baaafccf1f686c2df203622

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

MD5
b72fb5543f7f7c5d2bcc7e490725b892

SHA1
31cc3760ebdea7d9d2626d4acb0d1b51d28d3a15

SHA256
7cd9cffbc5d1e4f676b0428f2eab6869517a70ab2a221184bcb7138192514516

SHA512
1e62b4fa76adc10e341ee1ea4f80b0cf56df22f5ac4fa34e4585f9d76481f06fa6786e36872584c44d77f898310bad45391f11221a40deb5166d653e0eda8deb

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

MD5
0794d5e8e13e812586133cb8f1edf62f

SHA1
fb48efacbd975daab51e7fe39db5608ce2f7aa30

SHA256
d9c21ecc04edcddc3845ca06fca4966d2f6c8c7e8a3315095ef6a62eb8e27b44

SHA512
12c91442a9e9e9be2a7026ddf559230325e0b19e7562d5a54c3e7444cc6d24b68183238cc9c2e37c2640822ca3df53fd1a8c8b3bd6573c5d88dcc76c69b2b94d

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

MD5
c444944cac0140a7f352e513bfd95afc

SHA1
9b0965baf67d8ad20464f48b12967c04d8a26aca

SHA256
916350df81db1dc8025bbc3adeab35f42c0116a7a594de9a59f63e490a15cf01

SHA512
446310731b54fd10be0cc7fee0f2352b1c40b4e24977a2904440f4bf07b9965af5b817fa04c9f2c53b8d02dc1ed941ee1e10220ed759116864e44a9f6da3d5be

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

MD5
684f490c3c4c5136215931d5446abe6b

SHA1
524e95dee84fd18cc5faf0ae31ead4658c04a3fe

SHA256
9455c8df50ac65cd5292c5ae01c92eb0ffec6c912ec4e5dc35e45a594920066e

SHA512
b722e00b2fd323eb01f15f051ff04e9ddb61e059bb6e58cd6cfa776118948958e4af9dab2fae5ccee28012ff763c4c31a0071117197e9466aab50153fac1311b

Download Submit