4f800575229b731069024a88ee51d5029d6d692f5cf0b12be2a58f1d2ef570c0

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 01:03

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General

Target

divx.dll
Size

665KB
MD5

0a41851ce20b307f73496e329aa0424f
SHA1

bbefa0a2dd3956f1a781a9089f68909d7a346d39
SHA256

ae15ddb6f5254b0db7334cdaeb401855842a7bedb86a9be869763e290dc76450
SHA512

27339ce702fd7a3599dec7e49649a0d3511ca20269af0e6a9a1480c322fa6c515f40b41bd2b36e03a9b0e471fb584c0f270d557ad358a6238f5003ceedcafdc8
SSDEEP

12288:WuqiPfi8FAWr3r8tkQCAt4V2L9LHjJU+BN/BYjgsMdy0ta:9q4fi8iWzrUCA+oL9HJUC/Bk1MU0ta

Score

3^/10

discovery

Malware Config

Signatures

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

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\divx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\divx.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2020

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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