stealc | 7914fb76e64e6766ca024f023a2ea009ddce2c41d35582bdd68e1a4197cdda48

Analysis

max time kernel
96s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2025, 14:28

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General

Target

e335078f6ee775e39fd9955c1c93bd14.exe
Size

5.1MB
MD5

e335078f6ee775e39fd9955c1c93bd14
SHA1

fdaa16e36eeed2c608a356ba19e5c0804547755f
SHA256

7914fb76e64e6766ca024f023a2ea009ddce2c41d35582bdd68e1a4197cdda48
SHA512

5ddcbe5e5fa0be766fffeeab22bf2673d0e02fa2d06edf3bef5dc2d26bcd6e2bfebd76c1a8cce8bba49921c500b7c7d9c5802b2a4cc3f55c7677c9912c6cbf78
SSDEEP

49152:sfIUl6H/gY9Zo2WT5xl6lakEjs12Syq8tK5CB0Jl8uwxPKqG5zhT+qkj4atwgMJ:G7lc/f3WT5IIj1KkdO8k9t1nv

Score

10^/10

stealc voov discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

Voov

http://154.216.20.246

Attributes

url_path
/4bbfd212e4bc2b67.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4224 set thread context of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4868	912	WerFault.exe	99
3500	912	WerFault.exe	99

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	e335078f6ee775e39fd9955c1c93bd14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BitLockerToGo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
912	BitLockerToGo.exe
912	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99
PID 4224 wrote to memory of 912	4224	e335078f6ee775e39fd9955c1c93bd14.exe	99

C:\Users\Admin\AppData\Local\Temp\e335078f6ee775e39fd9955c1c93bd14.exe
"C:\Users\Admin\AppData\Local\Temp\e335078f6ee775e39fd9955c1c93bd14.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 1240
    3⤵
    - Program crash
    PID:4868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 1260
    3⤵
    - Program crash
    PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 912 -ip 912
1⤵
PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 912 -ip 912
1⤵
PID:4732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/912-0-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download
memory/912-1-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download
memory/912-7-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download
memory/912-4-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download