cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2025, 07:23

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General

Target

cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll
Size

76KB
MD5

ae96d3f52f8cabe3be3cb53ffff51c54
SHA1

3395ad0bcc4ce216ba8c854d2d6d636b3f4120ae
SHA256

cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee
SHA512

99a088b762c6535bd5117c54447621545a11994eab862f2c8af1338627a2162684a4c907053ad0a3bf4cd268bbf2e44a262c16d4963af659b8a6d4b16bfbe72b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwWkB+:c8y93KQjy7G55riF1cMo03yfA

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3116-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3116-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4948	3116	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	3116	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 3116	3864	rundll32.exe	83
PID 3864 wrote to memory of 3116	3864	rundll32.exe	83
PID 3864 wrote to memory of 3116	3864	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 700
    3⤵
    - Program crash
    PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3116 -ip 3116
1⤵
PID:4788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3116-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3116-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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