a4ed754c1a38fd8fc24bb4ec7f5da899c254df070bcc8cfd7b16778701c4b72d

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 04:16

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General

Target

f3o1dwv0.dll
Size

11KB
MD5

2459486e1baaf3a26804e33c80e2f5d3
SHA1

4803e967878de7371a1aeed9ad05627fd8f07aa8
SHA256

65a2e26e02f003431245df8d0527f64efce3dad7fd85f169e5269576d14ee024
SHA512

69a5b0fbf982005d3342420552828c43a0c58f0df5ca449f1a88da2c1a75550b28ce7a737ee919bc4bc52dfec5fa0a2e1c15c90360a264266e7ce18b02379966
SSDEEP

192:iRwdW3HF+TyVFxpaZ3PrHvu/v6ZxordOfHLPTWH4de:OyuxyCHFQDi4de

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2144	4508	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 behavior: EnumeratesProcesses 8 IoCs

pid	Process
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4508	636	rundll32.exe	84
PID 636 wrote to memory of 4508	636	rundll32.exe	84
PID 636 wrote to memory of 4508	636	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3o1dwv0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3o1dwv0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 680
    3⤵
    - Program crash
    PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4508 -ip 4508
1⤵
PID:1004

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/4508-0-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/4508-1-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download