stealc | ab6d864f42680ad444f9a445d3e403cfd1a6355985db933611ec4cb7607b76bf

Analysis

max time kernel
94s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 18:33

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General

Target

file.exe
Size

205KB
MD5

1a3ac0bc9af8e3b8cc72caaf6ba88b9f
SHA1

885872fa24d22d8b9c118174ed3d7b7419e58fe0
SHA256

ab6d864f42680ad444f9a445d3e403cfd1a6355985db933611ec4cb7607b76bf
SHA512

a59b1c0530fb8fd2881d605b8513107df79a844d52a754b901b0a027fb197a20ce42ce342155b635f383e4aae52de255355213b14fb479dbf2d533e355af4426
SSDEEP

6144:9gPmLyZ30IcCX4PWNlclz7o+pNb6CPSUbv+/QTEO:9gPmLK33X52voGNS2+YTEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://45.152.113.10

Attributes

url_path
/92335b4816f77e90.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 3052	3068	file.exe	87

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

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2544	3068	file.exe	85
PID 3068 wrote to memory of 2544	3068	file.exe	85
PID 3068 wrote to memory of 2544	3068	file.exe	85
PID 3068 wrote to memory of 4924	3068	file.exe	86
PID 3068 wrote to memory of 4924	3068	file.exe	86
PID 3068 wrote to memory of 4924	3068	file.exe	86
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87
PID 3068 wrote to memory of 3052	3068	file.exe	87

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4924
- 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
  PID:3052

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/3052-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3052-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3052-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3052-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3068-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/3068-1-0x0000000000CD0000-0x0000000000D08000-memory.dmp

Filesize
224KB

Download
memory/3068-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3068-10-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download