stealc | 6081b51cb35b877e585e65440539df92d4e8516d7ae087cb18b7a7ce87707185

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/09/2024, 13:48

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General

Target

file.exe
Size

326KB
MD5

56bbebff4b50d8298e46f3312915694c
SHA1

f83e6487506067aab52550faf4179ecac77b17ee
SHA256

6081b51cb35b877e585e65440539df92d4e8516d7ae087cb18b7a7ce87707185
SHA512

5612e0a314333d99d116e4333a7d5054e59b03b7cc1e31635866acbf58f5f7c6977d5fbac1ba7cee22759377ab8515131e9789b803b597d038f4c84e90e2e410
SSDEEP

6144:9HjkqhJNb+r7hwLDH1L3nbGIR1M34fHwTDIlpCUOS7YYCUEO:Fj3Jb+QDHRX/rMAHouFOS7Y6EO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2544	2292	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	2544	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2292 wrote to memory of 2544	2292	file.exe	31
PID 2544 wrote to memory of 2968	2544	RegAsm.exe	32
PID 2544 wrote to memory of 2968	2544	RegAsm.exe	32
PID 2544 wrote to memory of 2968	2544	RegAsm.exe	32
PID 2544 wrote to memory of 2968	2544	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 252
    3⤵
    - Program crash
    PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2292-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2292-1-0x00000000012B0000-0x0000000001306000-memory.dmp

Filesize
344KB

Download
memory/2292-11-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2544-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-10-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2544-13-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download