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 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/2392-68-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2392-66-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2392-71-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2392-72-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2392-121-0x0000000000400000-0x0000000000648000-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:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

description	pid	process	target process
PID 3124 set thread context of 2392	3124	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
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

2392 MSBuild.exe
2392 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

description pid process

Token: SeDebugPrivilege 3124 80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

2392 MSBuild.exe

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

pid	process
2392	MSBuild.exe
2392	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

pid	process
2392	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe

description	pid	process	target process
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe
PID 3124 wrote to memory of 2392	3124	80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe
"C:\Users\Admin\AppData\Local\Temp\80b864e2820a0cfea2dda2fafe00e78f4cbe8e17d744403525b5f592128384d5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3124

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 SetWindowsHookEx
PID:2392

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/2392-68-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2392-121-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2392-72-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2392-71-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2392-66-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3124-43-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-33-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-7-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-63-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-5-0x0000000005AD0000-0x0000000005AEC000-memory.dmp

Filesize
112KB

Download
memory/3124-4-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3124-70-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3124-61-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-59-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-55-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-53-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-51-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-49-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-47-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-45-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/3124-41-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-39-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-37-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-6-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-32-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-29-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-28-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-25-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-23-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-21-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-19-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-18-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-15-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-13-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-11-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-9-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-3-0x0000000005B60000-0x0000000005C0C000-memory.dmp

Filesize
688KB

Download
memory/3124-65-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-57-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-35-0x0000000005AD0000-0x0000000005AE5000-memory.dmp

Filesize
84KB

Download
memory/3124-2-0x0000000005A10000-0x0000000005AAC000-memory.dmp

Filesize
624KB

Download
memory/3124-1-0x0000000000BE0000-0x0000000001020000-memory.dmp

Filesize
4.2MB

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