stealc | bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f

Analysis

max time kernel
92s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 02:42

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General

Target

bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe
Size

4.2MB
MD5

46dd34531761bbc552766131c1ac05ca
SHA1

77de42cebb838e1c33baf9e05dffcc72b193ec8e
SHA256

bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f
SHA512

73f55f275b3d5220ccecb14fb2466a816ad14abfc863764b81be425b366f0681f693339fd15613761a997be1e6d78e2d72cea3282bb50dca54472ae5aac68f17
SSDEEP

49152:ImwTL1n769zo6wqdvplsq9oLc9sf/sygrCqEVjOCszxGsbcKPkQxnK:gLJ96BOc9B4KcK8cn

Score

10^/10

stealc meetvoov discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

meetvoov

http://185.216.71.4

Attributes

url_path
/feed7c30357659ed.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 544 set thread context of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4960	4680	WerFault.exe	95
4616	4680	WerFault.exe	95

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	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4680	BitLockerToGo.exe
4680	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95
PID 544 wrote to memory of 4680	544	bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe	95

C:\Users\Admin\AppData\Local\Temp\bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe
"C:\Users\Admin\AppData\Local\Temp\bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:544
- 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:4680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1232
    3⤵
    - Program crash
    PID:4960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1240
    3⤵
    - Program crash
    PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4680 -ip 4680
1⤵
PID:996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4680 -ip 4680
1⤵
PID:2628

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/4680-0-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download
memory/4680-4-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download
memory/4680-7-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download
memory/4680-1-0x0000000000800000-0x0000000000A50000-memory.dmp

Filesize
2.3MB

Download