stealc | 2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6

General

Target

2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe
Size

326KB
MD5

ccc8fb5c5637dd0a4d32552bd9203ce6
SHA1

3fb0f2b266d91f465e9abb930d85867a65e8eec9
SHA256

2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6
SHA512

e5aae05dd623d7f642538b5073ee8d5a95d8152dfe14c73abf4aaa8584217f378fcb988826a9de775a542aeeff3c3d4ed14fb4414da0eb04d8e1eb69d70ef0db
SSDEEP

6144:QokaBTSIjqhL6fEq3Ko6UasNc8FI+sIFaPsq9Lti8EO:QojBTScq/qqsNlFI+sIFyLEO

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 2232 set thread context of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1472	1636	WerFault.exe	32

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	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 2232 wrote to memory of 1636	2232	2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe	32
PID 1636 wrote to memory of 1472	1636	RegAsm.exe	33
PID 1636 wrote to memory of 1472	1636	RegAsm.exe	33
PID 1636 wrote to memory of 1472	1636	RegAsm.exe	33
PID 1636 wrote to memory of 1472	1636	RegAsm.exe	33

C:\Users\Admin\AppData\Local\Temp\2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe
"C:\Users\Admin\AppData\Local\Temp\2a9f856bc9fe5a41540aa3800cd8e50adfbfbc3661845a9791c02c13bcadddf6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- 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:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 252
    3⤵
    - Program crash
    PID:1472

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/1636-12-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1636-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-10-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1636-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2232-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x0000000000F10000-0x0000000000F66000-memory.dmp

Filesize
344KB

Download
memory/2232-13-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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