fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582f

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 15:32

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General

Target

fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582fN.dll
Size

203KB
MD5

8ff78a48cca2f69a88534fc5faa6c5f0
SHA1

e99f439ce3f45a39fd431e3feb594d336b74759f
SHA256

fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582f
SHA512

5b220b300b5c0e210b30f0609a0aee7de556fe0ab434150d5d253563344ff95bf0bd829e6281ae2bb469d71d6adff13a5e1fd24cde5f6f662730f7f9c14051cb
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMBxRUdn:5kmCaiEoFEd+F3txm2SpiMBxRUB

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/1600-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1600-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3604	1600	WerFault.exe	82

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	1600	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 1600	968	rundll32.exe	82
PID 968 wrote to memory of 1600	968	rundll32.exe	82
PID 968 wrote to memory of 1600	968	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 712
    3⤵
    - Program crash
    PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1600 -ip 1600
1⤵
PID:3244

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/1600-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/1600-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download