ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6e

Analysis

max time kernel
93s
max time network
97s
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 21:44

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General

Target

ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6eN.dll
Size

76KB
MD5

42a91c592ab6f63c670a9ee89d3dbef0
SHA1

16cb9648c7569b8ba33c29c5959afb50b9ab7919
SHA256

ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6e
SHA512

80295eca962099295a83fec533ce4a6e626f82b2428c10e85057367ac8bdb9906d41a064778fd550febf8ff91adb72636ca3f25bef1f3f055d6c7aa37fc0c25a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLSL64k8D:c8y93KQjy7G55riF1cMo03f8D

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/184-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/184-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3832	184	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	184	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 184	4400	rundll32.exe	83
PID 4400 wrote to memory of 184	4400	rundll32.exe	83
PID 4400 wrote to memory of 184	4400	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 184 -s 712
    3⤵
    - Program crash
    PID:3832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 184 -ip 184
1⤵
PID:2316

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/184-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/184-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download