fd86457523696b2240dd4376fdc91d795cfb3ab1a120707171709fdf61a0c471

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 04:41

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General

Target

fd86457523696b2240dd4376fdc91d795cfb3ab1a120707171709fdf61a0c471.dll
Size

76KB
MD5

23f177786d64f46b0e2c4b60491e2c8d
SHA1

4c82800ebd0524615bef1c84a565b8e3c10e351f
SHA256

fd86457523696b2240dd4376fdc91d795cfb3ab1a120707171709fdf61a0c471
SHA512

aabbbe895ca68c4c023a6c215afb5076744f5c400582c76513a5de903ad1c612b9f4934aa38544aa85c0518cf2b5f4b97ba28526dcbe4b662169f11d3d7814c4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Ze3:c8y93KQjy7G55riF1cMo03q

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
behavioral2/memory/2524-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2524-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
516	2524	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2524	1908	rundll32.exe	83
PID 1908 wrote to memory of 2524	1908	rundll32.exe	83
PID 1908 wrote to memory of 2524	1908	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd86457523696b2240dd4376fdc91d795cfb3ab1a120707171709fdf61a0c471.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd86457523696b2240dd4376fdc91d795cfb3ab1a120707171709fdf61a0c471.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 704
    3⤵
    - Program crash
    PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2524 -ip 2524
1⤵
PID:1612

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/2524-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2524-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download