9a9744a2a44541b842c3d94bfc251b09b0ee1b36144bb3bd54c4cf2bd7bb6f1e

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 00:25

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General

Target

9a9744a2a44541b842c3d94bfc251b09b0ee1b36144bb3bd54c4cf2bd7bb6f1e.dll
Size

170KB
MD5

d0bff4c8a2b20ad841d65265ba3e981f
SHA1

40c438081befb1bf6dab9cb42389c2d8f343c69f
SHA256

9a9744a2a44541b842c3d94bfc251b09b0ee1b36144bb3bd54c4cf2bd7bb6f1e
SHA512

3afe26684f2ad5e731bb49a60c0be1e2444e66b8495713bb95f383dcdd8645ecf54ed5dc90a054cab8d7bd330a0c1d993687d279a8547cd2dd43e102e2addf84
SSDEEP

3072:wAY+eBJOTfbl0hEBNNf2mD9OuB8Mj8B+zvbhjaz99WLltRM1wGYt/hlSVjJBv:wAYLJO7blvBNNeexWMKg+990ltE2bSBJ

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2812-1-0x0000000010000000-0x0000000010087000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	2812	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 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2708 wrote to memory of 2812	2708	rundll32.exe	30
PID 2812 wrote to memory of 2836	2812	rundll32.exe	31
PID 2812 wrote to memory of 2836	2812	rundll32.exe	31
PID 2812 wrote to memory of 2836	2812	rundll32.exe	31
PID 2812 wrote to memory of 2836	2812	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a9744a2a44541b842c3d94bfc251b09b0ee1b36144bb3bd54c4cf2bd7bb6f1e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a9744a2a44541b842c3d94bfc251b09b0ee1b36144bb3bd54c4cf2bd7bb6f1e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 224
    3⤵
    - Program crash
    PID:2836

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

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Downloads

memory/2812-0-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

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memory/2812-1-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

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