stealc | f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d

General

Target

f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe
Size

197KB
MD5

8f51409e0119d80da56d1bcddbe960b7
SHA1

5ddf8d0198b0646472038f887caaee50f35f4f2e
SHA256

f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
SHA512

bafc8becd7958405e3d6ec195483d2e20bd6eb52a89845ad9fcc0351d54525d03599f66bdf0440f421e25f1ad482a2bc85eb017d8239b7525944be908af391d1
SSDEEP

3072:yrsR+CX0WGYN8vWneNvsR4cByR28jzzlpcJO9hVpfCV0MY7QxFJn2IK:wsP0WGY7jR4ccfe0P7qJ2

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

C2

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 876 set thread context of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	2080	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	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 876 wrote to memory of 2080	876	f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe	31
PID 2080 wrote to memory of 2164	2080	RegAsm.exe	32
PID 2080 wrote to memory of 2164	2080	RegAsm.exe	32
PID 2080 wrote to memory of 2164	2080	RegAsm.exe	32
PID 2080 wrote to memory of 2164	2080	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe
"C:\Users\Admin\AppData\Local\Temp\f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- 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:2080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 252
    3⤵
    - Program crash
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/876-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/876-1-0x0000000000A90000-0x0000000000AC8000-memory.dmp

Filesize
224KB

Download
memory/876-14-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/876-17-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-11-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-13-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2080-16-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing