stealc | 2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef

General

Target

2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe
Size

327KB
MD5

dfd49d1326704cfeee9852999782e4b6
SHA1

4bd1c441c55ec55a1cac7ca2bfe786a739cb01a4
SHA256

2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef
SHA512

fe9e9537f76bf36b6e6abd340ef135d5d017bb2b067239f6871f5a8952d2a5b823dd89838b8d31a928b40a1a70bd83010e5f3f49905672fbcd74b763d65504bf
SSDEEP

6144:b0VDzBghICYEQ4pirMkbnahpDVD9oX8Wnde3Ka+DWYBemn1gGsvYBKKbM3itHqOk:YR6W7dUirtbMpDVD9oX8WnU3Fh+l1gsW

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 2548 set thread context of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	2200	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	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2744	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	30
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2548 wrote to memory of 2200	2548	2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe	31
PID 2200 wrote to memory of 2880	2200	RegAsm.exe	32
PID 2200 wrote to memory of 2880	2200	RegAsm.exe	32
PID 2200 wrote to memory of 2880	2200	RegAsm.exe	32
PID 2200 wrote to memory of 2880	2200	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe
"C:\Users\Admin\AppData\Local\Temp\2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2744
- 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:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 252
    3⤵
    - Program crash
    PID:2880

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/2200-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2200-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-17-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-12-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2200-9-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2548-0-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2548-13-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2548-1-0x00000000011D0000-0x0000000001226000-memory.dmp

Filesize
344KB

Download
memory/2548-4-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2548-2-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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