stealc | 0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06

General

Target

0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe
Size

269KB
MD5

68da26c2c1d0d040a86cc3910a40d287
SHA1

b374f418f3d086868f661ae2108a71e8eb70dcfa
SHA256

0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06
SHA512

09b0647bf8e9d01bb36cf90cc82ecd33d545586ffa7ef14bf903f796739bc1c3c0986aa0f71851407434fc215214acb082fd6e95a24ca027a1d51982a1841b08
SSDEEP

6144:jvzjdZ6eT6Yl81udgLiCvx/wv4cF/S29bPeybE7B4xJId0NBMjN3EO:jvzjdB6a81uumCJC4cN/ouxJVBmEO

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 1152 set thread context of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1812	2504	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	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 1152 wrote to memory of 2504	1152	0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe	31
PID 2504 wrote to memory of 1812	2504	RegAsm.exe	32
PID 2504 wrote to memory of 1812	2504	RegAsm.exe	32
PID 2504 wrote to memory of 1812	2504	RegAsm.exe	32
PID 2504 wrote to memory of 1812	2504	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe
"C:\Users\Admin\AppData\Local\Temp\0904ef6ec1a22ab31adf07bb35bb0667603c574032da3e6004fb1592cea15b06.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1152
- 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:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 252
    3⤵
    - Program crash
    PID:1812

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/1152-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/1152-1-0x0000000001140000-0x0000000001188000-memory.dmp

Filesize
288KB

Download
memory/1152-13-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2504-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2504-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

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