stealc | d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 05:09

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General

Target

d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe
Size

4.7MB
MD5

6320d63025e1764e578680e24906def3
SHA1

b452cb8f5fe2b5683b8ea94b90c5d3f415e53832
SHA256

d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0
SHA512

f75d2700fafea373de7f2c4131a650128d38146ef8fd7edef0c186ce3ebc1fb51b116f91596891d68f893a56b30e14035e565a55d0e5d228462c9e3e7a68dc51
SSDEEP

98304:KjG9asZlqf3mTJBMAxu8l+yzWCdlPtclKfWN6D:KjGgsZlqvmT8wu8lZWCzo+

Score

10^/10

stealc vidar spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

Detect Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral1/memory/2872-78-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2872-595-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2984	DBKEHDGDGH.exe

Loads dropped DLL 7 IoCs

pid	Process
2872	MSBuild.exe
2872	MSBuild.exe
2872	MSBuild.exe
2872	MSBuild.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 328 set thread context of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	2984	WerFault.exe	32

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3060	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe
328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe
2872	MSBuild.exe
2872	MSBuild.exe
2872	MSBuild.exe
2872	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 2744	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	28
PID 328 wrote to memory of 2744	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	28
PID 328 wrote to memory of 2744	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	28
PID 328 wrote to memory of 2744	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	28
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 328 wrote to memory of 2872	328	d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe	29
PID 2872 wrote to memory of 2984	2872	MSBuild.exe	32
PID 2872 wrote to memory of 2984	2872	MSBuild.exe	32
PID 2872 wrote to memory of 2984	2872	MSBuild.exe	32
PID 2872 wrote to memory of 2984	2872	MSBuild.exe	32
PID 2984 wrote to memory of 2032	2984	DBKEHDGDGH.exe	34
PID 2984 wrote to memory of 2032	2984	DBKEHDGDGH.exe	34
PID 2984 wrote to memory of 2032	2984	DBKEHDGDGH.exe	34
PID 2984 wrote to memory of 2032	2984	DBKEHDGDGH.exe	34
PID 2872 wrote to memory of 1228	2872	MSBuild.exe	35
PID 2872 wrote to memory of 1228	2872	MSBuild.exe	35
PID 2872 wrote to memory of 1228	2872	MSBuild.exe	35
PID 2872 wrote to memory of 1228	2872	MSBuild.exe	35
PID 1228 wrote to memory of 3060	1228	cmd.exe	37
PID 1228 wrote to memory of 3060	1228	cmd.exe	37
PID 1228 wrote to memory of 3060	1228	cmd.exe	37
PID 1228 wrote to memory of 3060	1228	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe
"C:\Users\Admin\AppData\Local\Temp\d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:328
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\ProgramData\DBKEHDGDGH.exe
    "C:\ProgramData\DBKEHDGDGH.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2984
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 96
      4⤵
      Loads dropped DLL
      Program crash
      PID:2032
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HDAFHIDGIJKJ" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1228
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:3060

Network

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
7322a52a77bd417854cf70350a51ae89

SHA1
cebab825048852c60b6879584d0703a7204f1e27

SHA256
ad332256572d34befcc0cf815bf927f622618f6463806a14add73e9064a10c80

SHA512
c911b7c3173bbe6b178b41ba042520d0b12e8ba41b1b700d0353419d17e3079797b279cba720128a70e79a75e02f0946b0d35b356d38d235effbee1527d0bfe7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2C55.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\DBKEHDGDGH.exe

Filesize
516KB

MD5
0309dd0131150796ea99b30a62194fae

SHA1
2df6e334708eae810a74b844fd57e18e9fdc34cd

SHA256
07c09ba5a84f619e5b83a54298ffc58d20b00f14399c7a94b7f02b70efc60f35

SHA512
3d4e5a0718d04fee92d8040880b631107d1e23a6b3bce430d58769179af999c28b99e50c5cd45f283339f7bbb24ffacbf601a5447edb12e28da4517fbfa282e8

Download Submit
memory/328-24-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-37-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-9-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-65-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-66-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/328-63-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-79-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/328-1-0x0000000000D10000-0x00000000011CC000-memory.dmp

Filesize
4.7MB

Download
memory/328-2-0x00000000003A0000-0x00000000003AA000-memory.dmp

Filesize
40KB

Download
memory/328-3-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/328-61-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-60-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-57-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-56-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-53-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-51-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-49-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-39-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-45-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-43-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-5-0x0000000000570000-0x000000000058C000-memory.dmp

Filesize
112KB

Download
memory/328-41-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-47-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-35-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-34-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-31-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-29-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-27-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-25-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/328-21-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-19-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-17-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-15-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-13-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-11-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-7-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-6-0x0000000000570000-0x0000000000585000-memory.dmp

Filesize
84KB

Download
memory/328-4-0x00000000055B0000-0x0000000005724000-memory.dmp

Filesize
1.5MB

Download
memory/2872-67-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2872-70-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2872-78-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2872-595-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download