8fa8f3edd9507da214ad4ea3dc324c173a6c9f7b0ad18040955091f38fbc9934

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 21:07

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General

Target

$PLUGINSDIR/AccessControl.dll
Size

8KB
MD5

9f1a88b953fd2a2c23b09703b253186c
SHA1

29d5a5a24e7f782a07e9f5d2ec1d1a6218fec737
SHA256

8a8f5bafc105186c85f14e017ab6da33ae8f88a9635e51756f90b6d95381d80d
SHA512

10b3a812c92b7324bddcd23adf923fcaec2532f31bdd9fbf17494fc33f99aa0a0a48b94f1fdd6599fa0189567626a90b324a1d132bf9cb8b00a6afc547e64018
SSDEEP

192:RmcLe8uWVNz5ZalBK/7rUlYg5q5LcywvX5:RJdNzMKXUlYg5qPq5

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral6/memory/2352-0-0x0000000075160000-0x000000007516A000-memory.dmp	upx
behavioral6/memory/2352-1-0x0000000075160000-0x000000007516A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3964	2352	WerFault.exe	83

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 1516 wrote to memory of 2352	1516	rundll32.exe	83
PID 1516 wrote to memory of 2352	1516	rundll32.exe	83
PID 1516 wrote to memory of 2352	1516	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AccessControl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AccessControl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 612
    3⤵
    - Program crash
    PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2352 -ip 2352
1⤵
PID:1360

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/2352-0-0x0000000075160000-0x000000007516A000-memory.dmp

Filesize
40KB

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memory/2352-1-0x0000000075160000-0x000000007516A000-memory.dmp

Filesize
40KB

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