6d725aa4c3dd38bc7f924af4891b82a9c993e2db67765c72be42778a9c1b561a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 03:27

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General

Target

$PLUGINSDIR/cbspar.dll
Size

30KB
MD5

31bff8b807f552a663c1a9b37a130564
SHA1

c91442fdd89050d3a37d234eb6595f11f1697afa
SHA256

8c25e6add26bc8ff4c545ced91b02663a2ba8222f1b5e5208910705186c12c9b
SHA512

316cae0648c6ec274b9d2f2ef13d3cc4033505f6859e0ad836bedbbee35356bb0ddaa18eb3d1cc71ec90885188d9df4ba7e41f6e09af4b417f9d475964e848c6
SSDEEP

768:PYYsBQJDh7wN4Ce1k95WuPO8P9se1ABTE+FppTNLFlgs:PoBQJD6LPO8P9fAW8ZNEs

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2256	4368	WerFault.exe	84

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 use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 4368	532	rundll32.exe	84
PID 532 wrote to memory of 4368	532	rundll32.exe	84
PID 532 wrote to memory of 4368	532	rundll32.exe	84
PID 4368 wrote to memory of 1936	4368	rundll32.exe	88
PID 4368 wrote to memory of 1936	4368	rundll32.exe	88
PID 4368 wrote to memory of 1936	4368	rundll32.exe	88
PID 4368 wrote to memory of 1936	4368	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cbspar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cbspar.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cbspar.dll,#1
    3⤵
    PID:1936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 728
    3⤵
    - Program crash
    PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4368 -ip 4368
1⤵
PID:2876

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/4368-0-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/4368-1-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download