dbfa954e5426a7f7b07d9840d00ff57c7183477a7d597a757e798ce8f348d1bc

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 08:40

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General

Target

b2-crack/Steamclient.dll
Size

353KB
MD5

7137e74c4fd2c9d194ff6c122e271939
SHA1

be0d17bbcd166f35b79809b8de86eed25d791082
SHA256

10ac46a074bcc13b3ab942d8c936ec7a01e9ec72215c28db64e91e592a319f24
SHA512

5ac24823697bfd9cd3366d76d326e17626076ff729b0aa4f89480351edf0c186509baf0fe1755c18d232d3a29d6cf9b8dc5bb2d82de8b3758b6867fd9208ad96
SSDEEP

6144:rRTRoAbpZr7OYuWZ48/H7Js5iBJunbJTALxHM0RM/6:lTRoAbpZrNuu/RunbJTSB

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1200	3684	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3684	rundll32.exe
3684	rundll32.exe
3684	rundll32.exe
3684	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3684	3680	rundll32.exe	82
PID 3680 wrote to memory of 3684	3680	rundll32.exe	82
PID 3680 wrote to memory of 3684	3680	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2-crack\Steamclient.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2-crack\Steamclient.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 628
    3⤵
    - Program crash
    PID:1200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3684 -ip 3684
1⤵
PID:2344

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

Windows 7 deprecation

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