stealc | ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0

General

Target

ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe
Size

217KB
MD5

785a37d8d62771cc35c6f5cc145e1219
SHA1

0e35b6c575670d4e8cbe0f13e7a7db9aadc8819f
SHA256

ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0
SHA512

d1fa909e78ba7b9478ffd7f627873a1e0013231cb9436d9f8895b262c7e0ba3efc1225d7d9797cad774062f9781afbdefe72b0ff9b23ddf540869f7b2b11f1be
SSDEEP

3072:iaVZueXuixgt+jZws6YXpNbgdEVKpInNt50IurswoYdWF3SS7AXzpLAGQRRaqtK0:lwHiW+lweoVer5MboYdi/CwR/EO

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 2436 set thread context of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2684	2172	WerFault.exe	30

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	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2436 wrote to memory of 2172	2436	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	30
PID 2172 wrote to memory of 2684	2172	RegAsm.exe	31
PID 2172 wrote to memory of 2684	2172	RegAsm.exe	31
PID 2172 wrote to memory of 2684	2172	RegAsm.exe	31
PID 2172 wrote to memory of 2684	2172	RegAsm.exe	31

C:\Users\Admin\AppData\Local\Temp\ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe
"C:\Users\Admin\AppData\Local\Temp\ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- 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:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 256
    3⤵
    - Program crash
    PID:2684

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

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Downloads

memory/2172-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-16-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-13-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-11-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2172-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2172-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2436-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2436-1-0x0000000000E10000-0x0000000000E4A000-memory.dmp

Filesize
232KB

Download
memory/2436-14-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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