a883312f23501f99155a916951d68afaabef4e849c426afd8c5ba111178e56df

Analysis

max time kernel
90s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 01:43

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General

Target

a883312f23501f99155a916951d68afaabef4e849c426afd8c5ba111178e56df.dll
Size

76KB
MD5

90cd54da8bc89b6f1ad69e98c888c104
SHA1

3d1ff4e77c32361dc5efada95fdcb2e2e55be033
SHA256

a883312f23501f99155a916951d68afaabef4e849c426afd8c5ba111178e56df
SHA512

68399dd3eca91b59533444b0017dfbf3c07ccf91f7930fea2aea6c9133825839c9a59ffc6b43cf2148332c37433bf000f34ef979ec7bf14d6d313a9ed59c1bf3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zyo2+xvc:c8y93KQjy7G55riF1cMo03lvxk

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/2876-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2876-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1612	2876	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	2876	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2876	2584	rundll32.exe	83
PID 2584 wrote to memory of 2876	2584	rundll32.exe	83
PID 2584 wrote to memory of 2876	2584	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a883312f23501f99155a916951d68afaabef4e849c426afd8c5ba111178e56df.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a883312f23501f99155a916951d68afaabef4e849c426afd8c5ba111178e56df.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 716
    3⤵
    - Program crash
    PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2876 -ip 2876
1⤵
PID:3928

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/2876-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2876-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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