stealc | 95c498a4a969cd3a1a0e38066090b9e306b2ec24dc1e548bb936d3a545e04734

General

Target

75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
Size

3.4MB
MD5

68f25def870ae04247248e958d3f557d
SHA1

af748012bc2a4b619b41210e4c3d0f40c8c05a59
SHA256

75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e
SHA512

83c85ab005157adb1f3804047a42a5eb535f8b48b4b51f9722ecfdfd42ca5ffc572467dd397b96f5c1d001887721d895669d1c8eac8b5bddce03d6ab054b1b5f
SSDEEP

49152:0GKcxxondcjM+wQhSbmgLVvViBRvPL4MkgMrQRojDVE+Czet:0rWxHwhbmJstLqolnCit

Score

10^/10

stealc vidar spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841

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 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/3240-66-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3240-68-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3240-72-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3240-84-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3240-135-0x0000000000400000-0x0000000000648000-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
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

Processes:

75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe

description	pid	process	target process
PID 1300 set thread context of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe

Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

MSBuild.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

5052 timeout.exe

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

pid	process
5052	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exeMSBuild.exe

pid	process
1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
3240	MSBuild.exe
3240	MSBuild.exe
3240	MSBuild.exe
3240	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe

description pid process

Token: SeDebugPrivilege 1300 75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe

description	pid	process
Token: SeDebugPrivilege	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exeMSBuild.execmd.exe

description	pid	process	target process
PID 1300 wrote to memory of 824	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 824	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 824	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 1332	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 1332	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 1332	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 1300 wrote to memory of 3240	1300	75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe	MSBuild.exe
PID 3240 wrote to memory of 2820	3240	MSBuild.exe	cmd.exe
PID 3240 wrote to memory of 2820	3240	MSBuild.exe	cmd.exe
PID 3240 wrote to memory of 2820	3240	MSBuild.exe	cmd.exe
PID 2820 wrote to memory of 5052	2820	cmd.exe	timeout.exe
PID 2820 wrote to memory of 5052	2820	cmd.exe	timeout.exe
PID 2820 wrote to memory of 5052	2820	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe
"C:\Users\Admin\AppData\Local\Temp\75622e897c6433a03d50f2f2027f2d774a29c5c32cd1ee7a99df6a6cb1fc2a2e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:824

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:1332

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" & rd /s /q "C:\ProgramData\CFIJEBFCGDAA" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:5052

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1300-33-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-3-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1300-2-0x0000000004F40000-0x0000000004FDC000-memory.dmp

Filesize
624KB

Download
memory/1300-35-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-4-0x0000000004FE0000-0x0000000005106000-memory.dmp

Filesize
1.1MB

Download
memory/1300-5-0x0000000004E50000-0x0000000004E6C000-memory.dmp

Filesize
112KB

Download
memory/1300-11-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-41-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-70-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1300-65-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-37-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-59-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/1300-55-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-53-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-51-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-49-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-45-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-43-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-39-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-61-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-1-0x0000000000140000-0x00000000004AE000-memory.dmp

Filesize
3.4MB

Download
memory/1300-57-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-31-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-29-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-27-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-25-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-23-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-21-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-19-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-17-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-15-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-13-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-10-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-6-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-63-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-47-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-7-0x0000000004E50000-0x0000000004E65000-memory.dmp

Filesize
84KB

Download
memory/1300-71-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-68-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3240-72-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3240-66-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3240-84-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3240-135-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads