b012918f1665341591305c28869478e58fb32f45f7a410a0f79cf42148c29e20

Analysis

max time kernel
63s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 11:57

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General

Target

$R0.dll
Size

1.8MB
MD5

61620b28817d0be71d626ffb6f401253
SHA1

646a930404f3befe1fdc41d8df62979cc85d0e25
SHA256

6148fe767e83d00680cab5663eb0e6658c9d924b2769eea41e834226c90aea3e
SHA512

b118891cfce6243414113e12a5dfc39af6bccf79547ef025089561fea71572f7bf37493a94df6e1c24204de91577d457ca9634caef15d32f62ed802486970e98
SSDEEP

12288:pHdWrc5YGamzFjY7DY0Gf5oD2EmLreS1MhfV8g3tnlpJb2XgQlf+ZNAY23A/xNZt:tdWruqb7tclXpc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	3024	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 1172 wrote to memory of 3024	1172	rundll32.exe	30
PID 3024 wrote to memory of 2944	3024	rundll32.exe	31
PID 3024 wrote to memory of 2944	3024	rundll32.exe	31
PID 3024 wrote to memory of 2944	3024	rundll32.exe	31
PID 3024 wrote to memory of 2944	3024	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$R0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$R0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 224
    3⤵
    - Program crash
    PID:2944

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/3024-0-0x0000000002500000-0x00000000026D3000-memory.dmp

Filesize
1.8MB

Download
memory/3024-1-0x0000000002500000-0x00000000026D3000-memory.dmp

Filesize
1.8MB

Download