fa5c7203b4d6cafcf45c92c68dc21b47189bd77f16044395a20acee9fc27e801

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 16:20

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General

Target

fa5c7203b4d6cafcf45c92c68dc21b47189bd77f16044395a20acee9fc27e801N.dll
Size

76KB
MD5

467cbb8d565f05ec1a17b1e5db261330
SHA1

9b8d0ea9509478949a289bcf13edf65c649b9196
SHA256

fa5c7203b4d6cafcf45c92c68dc21b47189bd77f16044395a20acee9fc27e801
SHA512

655d784d8648d73c0a2827ca7770f4c7615ba22f715e0adb1633aa0108831677a221e7b43bf082dcc6d8d1a84daeb61cade807ec2db66f719796cf7622684e06
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5OZoZpOt:c8y93KQjy7G55riF1cMo03bOZ6g

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2716-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2716-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2716-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	2716	WerFault.exe	31

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	2716	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2708 wrote to memory of 2716	2708	rundll32.exe	31
PID 2716 wrote to memory of 2868	2716	rundll32.exe	32
PID 2716 wrote to memory of 2868	2716	rundll32.exe	32
PID 2716 wrote to memory of 2868	2716	rundll32.exe	32
PID 2716 wrote to memory of 2868	2716	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa5c7203b4d6cafcf45c92c68dc21b47189bd77f16044395a20acee9fc27e801N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa5c7203b4d6cafcf45c92c68dc21b47189bd77f16044395a20acee9fc27e801N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 332
    3⤵
    - Program crash
    PID:2868

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/2716-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2716-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2716-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2716-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download