stealc | 84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d

Analysis

max time kernel
135s
max time network
247s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-05-2024 23:25

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General

Target

84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe
Size

359KB
MD5

6aae5ad15e0ee9da87ab30971373a029
SHA1

2dd9bf3ee10067d4c365926768e8ee9ed0a4ec3b
SHA256

84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d
SHA512

aa978aa7b038fe958c97d3e8622bed7d3d914495dd4ca3c247638793a32bf788224adc55310d5f01069179711f1225c8d4c1f089fecfe88ede15b95db61ec83d
SSDEEP

6144:DagQdkTUGJXOjv5o1SDQBdmoclENDznZhnMU+YU+1P7p7K4UTi3r:mgSkTUGRODeBCEBthw+1P3Eor

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/208-1-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/208-3-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/208-5-0x0000000000400000-0x0000000000643000-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:

84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe

description	pid	process	target process
PID 5000 set thread context of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3764 208 WerFault.exe RegAsm.exe

pid	pid_target	process	target process
3764	208	WerFault.exe	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe

description	pid	process	target process
PID 5000 wrote to memory of 3660	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 3660	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 3660	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe
PID 5000 wrote to memory of 208	5000	84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe
"C:\Users\Admin\AppData\Local\Temp\84da3a03933420160dd928675e81ca1e46b132aee69680e0aac5b297624ebc6d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:3660

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 2176
3⤵
- Program crash
PID:3764

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/208-1-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/208-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/208-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/5000-0-0x0000000000D8A000-0x0000000000D8C000-memory.dmp

Filesize
8KB

Download