stealc | 8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 18:54

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General

Target

8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe
Size

326KB
MD5

10b1172549949f835f59bd598cfc4318
SHA1

21f16130980717888dea8eb3dee30a4914749880
SHA256

8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616
SHA512

ed65fe280393853b9c38bb4d3f19c5b9187d2d7edb33eaf7c2f64e153ea3baefd33b0479a9f10d35dedb9f59ad3dd7f08e35e8106abb650d8cbb18d2dde9796f
SSDEEP

6144:UPT+g0SUUOll/PbH2sY+iF6smfR3B5RlS4rJDuHbSt8OIikiIRi3EO:STH0SIbbnY+iZyxzHd1DRSiLEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

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 2272 set thread context of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2492	2320	WerFault.exe	34

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	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2204	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	31
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2300	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	32
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2116	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	33
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2272 wrote to memory of 2320	2272	8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe	34
PID 2320 wrote to memory of 2492	2320	RegAsm.exe	35
PID 2320 wrote to memory of 2492	2320	RegAsm.exe	35
PID 2320 wrote to memory of 2492	2320	RegAsm.exe	35
PID 2320 wrote to memory of 2492	2320	RegAsm.exe	35

C:\Users\Admin\AppData\Local\Temp\8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe
"C:\Users\Admin\AppData\Local\Temp\8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2116
- 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:2320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 252
    3⤵
    - Program crash
    PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x00000000001F0000-0x0000000000246000-memory.dmp

Filesize
344KB

Download
memory/2272-16-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-6-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2320-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-11-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-13-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2320-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download