stealc | 9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c

General

Target

9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe
Size

4.4MB
MD5

308cf2092091a41ad91751f8efd0f5e2
SHA1

b08f85469e7d92b1ea5de967147ff73fa8ee63a4
SHA256

9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c
SHA512

00bc5c43e39ead3af3e14c0dcd89bc7b504d3901cb77a08e903ad1d564001fd7db8543fcd7c7dfcb14ea8c0f33a052fe29ec98ab649699fa5385129b6360e195
SSDEEP

49152:PWpiTTg/4UZ1LHELRz6KEt9Rh1dHJoO+uPt66jo5wUjU9OBF5cmKIt0gZV0Cl:upf1LHgRz6zrt6YUgIcmKh01

Score

10^/10

stealc vidar 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 6 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/1316-68-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1316-71-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1316-66-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1316-72-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1316-73-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1316-75-0x0000000000400000-0x0000000000648000-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

Suspicious use of SetThreadContext 1 IoCs

Processes:

9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe

description	pid	process	target process
PID 4880 set thread context of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.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

1708 timeout.exe

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

pid	process
1708	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exeMSBuild.exe

pid	process
4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe
4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe
1316	MSBuild.exe
1316	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe

description pid process

Token: SeDebugPrivilege 4880 9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe

description	pid	process
Token: SeDebugPrivilege	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exeMSBuild.execmd.exe

description	pid	process	target process
PID 4880 wrote to memory of 336	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 336	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 336	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 4880 wrote to memory of 1316	4880	9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe	MSBuild.exe
PID 1316 wrote to memory of 3508	1316	MSBuild.exe	cmd.exe
PID 1316 wrote to memory of 3508	1316	MSBuild.exe	cmd.exe
PID 1316 wrote to memory of 3508	1316	MSBuild.exe	cmd.exe
PID 3508 wrote to memory of 1708	3508	cmd.exe	timeout.exe
PID 3508 wrote to memory of 1708	3508	cmd.exe	timeout.exe
PID 3508 wrote to memory of 1708	3508	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe
"C:\Users\Admin\AppData\Local\Temp\9eddaeee0273db6e1f1f38a999d67f6fb0d66e0cd574fba65d0fa32e0212c66c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:336

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:1316

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\GIEHJKEBAAEB" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3508

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:1708

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1316-68-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1316-75-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1316-73-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1316-72-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1316-66-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1316-71-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4880-57-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-51-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-11-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-9-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-7-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-6-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-47-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-45-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-65-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-15-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-70-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4880-4-0x0000000005280000-0x000000000529C000-memory.dmp

Filesize
112KB

Download
memory/4880-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4880-63-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-61-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-59-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4880-55-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-53-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-13-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-49-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-43-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-42-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-39-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-37-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-35-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-33-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-32-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-29-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-27-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-26-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-24-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-21-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-17-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-19-0x0000000005280000-0x0000000005295000-memory.dmp

Filesize
84KB

Download
memory/4880-3-0x00000000053E0000-0x000000000548A000-memory.dmp

Filesize
680KB

Download
memory/4880-2-0x0000000005330000-0x00000000053CC000-memory.dmp

Filesize
624KB

Download
memory/4880-1-0x0000000000570000-0x00000000009D2000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads