stealc | b49bc6b12ff8f1ca0ae40aec74164e15a57d3972a672b17acdcce98597db644d

General

Target

c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe
Size

206KB
MD5

f24d1ef9ffb8be85e5b7f03262eb2e88
SHA1

ca80ca5aa19037b424f73de09d52f079032ea546
SHA256

c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0
SHA512

4b0ddd0ad28f7fd30324add6623f399dec43df33d0e9bb24788c0d0e96c1b2f25b96644b5320755299b1d2fb66e4417a0402fd6729d3ed33aec2117c485c3567
SSDEEP

3072:9KTLxfhx7l2jvaPdUWnNWBjwS9KKjossreeIWXAM40P+7pq8fQ4+W18khmlAm2M3:0xpxkvaPRLboE2Jo4h1PIEO

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 3028 set thread context of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1284	2528	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	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 3028 wrote to memory of 2528	3028	c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe	31
PID 2528 wrote to memory of 1284	2528	RegAsm.exe	32
PID 2528 wrote to memory of 1284	2528	RegAsm.exe	32
PID 2528 wrote to memory of 1284	2528	RegAsm.exe	32
PID 2528 wrote to memory of 1284	2528	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe
"C:\Users\Admin\AppData\Local\Temp\c98f17dd444209ad0a6d71221b67cd632bc6409686f750bb5118a7e42eca91e0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- 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:2528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 252
    3⤵
    - Program crash
    PID:1284

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/2528-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-18-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2528-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3028-1-0x0000000000A20000-0x0000000000A58000-memory.dmp

Filesize
224KB

Download
memory/3028-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/3028-16-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-19-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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