a910b3caa4612ad1d39dc4cc79c991409c3d27a640cfc7e25c57c519f478b19e

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 22:03

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General

Target

1/OTC.dll
Size

2.8MB
MD5

09a5a8259a5df0a3ba799865c6427124
SHA1

29a80cd303b1ac8c70258bef1d129a7b6d1c3452
SHA256

6b1c19cc6312fb85794c042f2407279b9c94d146d995b10ac1dbf4a4ebb0686d
SHA512

872be3168396982d746c228c2201a9e59687a03c6a0adae6f8d4f2208a44d7170ba2c668c16f30d068e7618701a3e288c7c8282a3925fcf131959f48f9e96436
SSDEEP

49152:C7+/NFLED+VlfRVBnbmdOqz854fy/PGuaiucb2sdcdk3YZ/8/RRLMSaYzRFo1Uvj:y+/3LEC3fjZbmddoify/+uaiucb2sadD

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3548	3844	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 3 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 3844	3624	rundll32.exe	84
PID 3624 wrote to memory of 3844	3624	rundll32.exe	84
PID 3624 wrote to memory of 3844	3624	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1\OTC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1\OTC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 540
    3⤵
    - Program crash
    PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3844 -ip 3844
1⤵
PID:4880

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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