stealc | bf142408e335b4fe9f03495b4eaf5629b30f8d9c7433c44b7532d42c67b4ad3f

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 22:56

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General

Target

46DD34531761BBC552766131C1AC05CA.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 4008 set thread context of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4380	4984	WerFault.exe	96
4000	4984	WerFault.exe	96

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	46DD34531761BBC552766131C1AC05CA.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 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
4984	BitLockerToGo.exe
4984	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96
PID 4008 wrote to memory of 4984	4008	46DD34531761BBC552766131C1AC05CA.exe	96

C:\Users\Admin\AppData\Local\Temp\46DD34531761BBC552766131C1AC05CA.exe
"C:\Users\Admin\AppData\Local\Temp\46DD34531761BBC552766131C1AC05CA.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4008
- 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:4984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 1232
    3⤵
    - Program crash
    PID:4380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 1240
    3⤵
    - Program crash
    PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4984 -ip 4984
1⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4984 -ip 4984
1⤵
PID:5028

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/4984-0-0x0000000000C80000-0x0000000000ED0000-memory.dmp

Filesize
2.3MB

Download
memory/4984-5-0x0000000000C80000-0x0000000000ED0000-memory.dmp

Filesize
2.3MB

Download
memory/4984-7-0x0000000000C80000-0x0000000000ED0000-memory.dmp

Filesize
2.3MB

Download
memory/4984-1-0x0000000000C80000-0x0000000000ED0000-memory.dmp

Filesize
2.3MB

Download