stealc | 80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5

General

Target

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe
Size

4.2MB
MD5

65870b92d50c24febeab6c11a0f1a65a
SHA1

e4a71da8b84cc51158ac9ec61da74712566e201d
SHA256

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5
SHA512

db438857506025bc1fa2bf3c0144f294eb16ef5405cdf467ef5b2b392f84af9e8c7491be4808a5f3ceaf0eed55ae95d7c14fe12072de2e0effca444cc798bee4
SSDEEP

98304:p/FoL+NIx61fAWl3kqtAbBowgco0BevOha:pNoL+NIx6hAWl441

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/2736-69-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2736-67-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2736-71-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2736-73-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2736-74-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2736-76-0x0000000000400000-0x0000000000648000-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:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

description	pid	process	target process
PID 2156 set thread context of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.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

4700 timeout.exe

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

pid	process
4700	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exeMSBuild.exe

pid	process
2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe
2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe
2736	MSBuild.exe
2736	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

description pid process

Token: SeDebugPrivilege 2156 80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

description	pid	process
Token: SeDebugPrivilege	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exeMSBuild.execmd.exe

description	pid	process	target process
PID 2156 wrote to memory of 3060	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 3060	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 3060	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2156 wrote to memory of 2736	2156	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 2736 wrote to memory of 3160	2736	MSBuild.exe	cmd.exe
PID 2736 wrote to memory of 3160	2736	MSBuild.exe	cmd.exe
PID 2736 wrote to memory of 3160	2736	MSBuild.exe	cmd.exe
PID 3160 wrote to memory of 4700	3160	cmd.exe	timeout.exe
PID 3160 wrote to memory of 4700	3160	cmd.exe	timeout.exe
PID 3160 wrote to memory of 4700	3160	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe
"C:\Users\Admin\AppData\Local\Temp\80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:3060

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:2736

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\IIEBGIDAAFHI" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3160

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:4700

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/2156-18-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-13-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-2-0x0000000005D80000-0x0000000005E1C000-memory.dmp

Filesize
624KB

Download
memory/2156-35-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-4-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2156-5-0x0000000005D20000-0x0000000005D3C000-memory.dmp

Filesize
112KB

Download
memory/2156-25-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-59-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-65-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-33-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-72-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2156-9-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-66-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2156-63-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-61-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-55-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-49-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-31-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-45-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-43-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-39-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-37-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-3-0x0000000005E80000-0x0000000005F2C000-memory.dmp

Filesize
688KB

Download
memory/2156-15-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-48-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-29-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-27-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-57-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-53-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-51-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-41-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-23-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-19-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2156-1-0x0000000000F00000-0x0000000001340000-memory.dmp

Filesize
4.2MB

Download
memory/2156-11-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-7-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-6-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2156-22-0x0000000005D20000-0x0000000005D35000-memory.dmp

Filesize
84KB

Download
memory/2736-74-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2736-71-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2736-67-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2736-73-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2736-69-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2736-76-0x0000000000400000-0x0000000000648000-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