stealc | 09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff

Analysis

max time kernel
195s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
06-05-2024 04:50

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General

Target

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe
Size

377KB
MD5

1a6b4d357d1b8bab80524e40be1b2698
SHA1

70961ace92a0ebfdb38ae27a22181fb5a4f7d440
SHA256

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff
SHA512

67484dcb04fc15b09b88679fd3ac860991cebe97c07a27bf9e425e8277def7f61d244690ee582c2be72d0dda3fa486b53382f3e3ad368602d176c5f72a77de67
SSDEEP

6144:NqW5NIK5m09C0h5t4mnNpZO+Ua2PsQxDnK6gDelK88JqeGq0DLt+7SHo:8W5NIYF4mnZO+Ua2zxDnKrZJqtHLt+mI

Score

10^/10

stealc vidar 03cea2609023d13f145ac6c5dc897112 stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

9.3

Botnet

03cea2609023d13f145ac6c5dc897112

https://steamcommunity.com/profiles/76561199680449169

https://t.me/r1g1o

Attributes

profile_id_v2
03cea2609023d13f145ac6c5dc897112
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/372-1-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/372-3-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/372-5-0x0000000000400000-0x0000000000643000-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:

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe

description	pid	process	target process
PID 1900 set thread context of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4572 372 WerFault.exe RegAsm.exe

pid	pid_target	process	target process
4572	372	WerFault.exe	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe

description	pid	process	target process
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 1900 wrote to memory of 372	1900	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe
"C:\Users\Admin\AppData\Local\Temp\09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 2144
3⤵
- Program crash
PID:4572

Network

MITRE ATT&CK Matrix

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Downloads

memory/372-1-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/372-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/372-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1900-0-0x000000000043E000-0x0000000000440000-memory.dmp

Filesize
8KB

Download