370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
432s
max time network
433s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
06-08-2024 19:31

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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

5076 windirstat.exe
Loads dropped DLL 3 IoCs

Processes:

windirstat1_1_2_setup.exe

pid process

3004 windirstat1_1_2_setup.exe
3004 windirstat1_1_2_setup.exe
3004 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
5076	windirstat.exe

pid	process
3004	windirstat1_1_2_setup.exe
3004	windirstat1_1_2_setup.exe
3004	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\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

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 behavior: GetForegroundWindowSpam 1 IoCs

Processes:

windirstat.exe

pid process

5076 windirstat.exe

pid	process
5076	windirstat.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat.exe

description	pid	process
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe
Token: SeBackupPrivilege	5076	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

5076 windirstat.exe
5076 windirstat.exe
5076 windirstat.exe
5076 windirstat.exe

pid	process
5076	windirstat.exe
5076	windirstat.exe
5076	windirstat.exe
5076	windirstat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 3004 wrote to memory of 5076	3004	windirstat1_1_2_setup.exe	windirstat.exe
PID 3004 wrote to memory of 5076	3004	windirstat1_1_2_setup.exe	windirstat.exe
PID 3004 wrote to memory of 5076	3004	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:3004

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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5076

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\nspACEB.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

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

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

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

MD5
27821302cfb3ee69df01fa9dede30b08

SHA1
37c3d6024f89e3ef2be550a1041fbf61bc7def4a

SHA256
1febf204a4c54c0152b188ddb4850250e23fac7b9aa40181c528c77100754dd0

SHA512
0bdca7e4ac5cbe8cb2bdda57f986456f7c0fd11109e63a8bdb68033d2ecfd9a05c7ce7415f6428693c0e33af56c26e561c30646bcbcaf0e756df7e5375ed50e6

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

MD5
d2eaa8438f6642a4c364f83f42f20272

SHA1
8f3d3f9bcce2f5bc18c6e8cdf9d359cda70908b5

SHA256
507a37bb1e66f60ad72c70659470f964e82ca4e3b5f6ede6cfa14655b24239c9

SHA512
1d5befa22cbe3cf06d6032388fef1db52557e8326d2390c002583377c8efc3e515adb846e5fa06e1ee00caabb3b7c1dd270d7ca50941b6ca5e5bda941a003b0a

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

MD5
dceb5f9b563af95b7feccb7a5eb50ae2

SHA1
1334f783159166bb94107b96d54273f4936c6e82

SHA256
c5b0ec9087c9a0df1166f7ddff8021c0fedcff54fd63ef283b725d73f0f05b69

SHA512
141556209a00a23b163280867b9ff1dde1cee662048d85b8c71667394c66bdda975a823a143578c13ea625afbfa4f5a9f5f4f4314e014ce63cb8fb23cf769a60

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

MD5
489480315f81075e8094bf232580270a

SHA1
27e26bada85990a94ee7656f05b60bf73fa6fb2a

SHA256
77d091a32ab53ec186084ece3a661fbfd7346e0fa06d357f606aca60ba0d13eb

SHA512
293222530e6883503c5ba88658cbd3b4f7f8b795c920dd17d1cd07fad98896d793ea7d631cea10f0316714887fbb1052657942fc896c8cacdd90da5da49f26bc

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

MD5
3072518e83fe996185699a9e8213d610

SHA1
2f18262402b19cc65da8be3a042c5a4d879bafcc

SHA256
4393b92150ccb56ee23457afbd95e5bc9d9f2d3fcfd8551f430ac35d86ce1158

SHA512
4337e3a4e25f90131d27e918b69d441a2c905122e1239c50a961e9e7a9ace09a964655700bff5ad55cb8c441d0bcf6be2211af9c381134dc5368c539f10dd750

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

MD5
89aca80a34b15d97294ac58fa41e9b21

SHA1
015f4da302166bb72d479400aa04ca2109f1177b

SHA256
8205797cd44fbb40823b0210bb3ad9d534ddca71557c31ceada251356866c896

SHA512
1ab2df42ef39681c14ef02b46ba92ef5c3493f780680b4a7b9044c065bdcce2e420fa82125cdb253a7edd2f2006825b0fa44afdb933fc0a231e03bb7a51cc43c

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

MD5
409cd5f39ca6adaaeca8d7649b493c84

SHA1
bf448684724c1fa90c607558fd7a29a39acf8bd7

SHA256
4768438cea1c603e3c220ce94427829677541c05463810d8b5650407faa44c75

SHA512
1b5d6a57146fcc939698aef12b3cb0873277f4048cfa9ac7554bd851c15a9f925fcccef6e1ffd2d1ca6343512ea368e5c62f3af67db06be146eda8e65570200d

Download Submit