stealc | e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2

Analysis

max time kernel
92s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30/04/2024, 10:54

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General

Target

e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe
Size

284KB
MD5

2aac7041efa0f0f858c973b7b544d158
SHA1

15ebf734381de456f817056488a2efa76eb57fcb
SHA256

e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2
SHA512

be4e18690ef64785cf66f0acae44fadd7c2ebb39ec35b7ecc1513f4fceb1950b6c2475e55cdffe844e3baad8c7fb3e06433b9c52e417ad9a4535a20ae5c2de0c
SSDEEP

3072:ZBHWeP4pSyh47tN+jUQp54Y1IbIjE9+t/YLWWy6hyr87+6vD4zi0bKhGTGfsZ2wb:zA5q7tNY4Y1IbIjQ+twKWWr+Mi0cIu

Score

10^/10

stealc vidar 45a2c60205d395ecda49074119ba58ac stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

9.3

Botnet

45a2c60205d395ecda49074119ba58ac

https://steamcommunity.com/profiles/76561199680449169

https://t.me/r1g1o

Attributes

profile_id_v2
45a2c60205d395ecda49074119ba58ac
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 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/1508-2-0x0000000001BE0000-0x0000000001C12000-memory.dmp	family_vidar_v7
behavioral2/memory/5072-3-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/5072-5-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/5072-6-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/5072-12-0x0000000000400000-0x0000000000643000-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

description	pid	Process	procid_target
PID 1508 set thread context of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5088	5072	WerFault.exe	79

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79
PID 1508 wrote to memory of 5072	1508	e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe	79

C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe
"C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe
  "C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe"
  2⤵
  PID:5072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 2100
    3⤵
    - Program crash
    PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 5072 -ip 5072
1⤵
PID:4976

Network

MITRE ATT&CK Matrix

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Downloads

memory/1508-2-0x0000000001BE0000-0x0000000001C12000-memory.dmp

Filesize
200KB

Download
memory/1508-1-0x0000000001C40000-0x0000000001D40000-memory.dmp

Filesize
1024KB

Download
memory/5072-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/5072-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/5072-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/5072-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads