fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/10/2026, 03:59

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General

Target
$PLUGINSDIR/md5dll.dll
Size 6KB
Sample261014-ej4byaft3z
SHA256 fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70
MD5 0745ff646f5af1f1cdd784c06f40fce9
SHA1 bf7eba06020d7154ce4e35f696bec6e6c966287f
SHA512 8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da
SSDEEP 96:GL2PcvGn5olZMTZxEp8agTsflVwn4GogZcko5N1ub:U2Pxn5UZMTZipyaw4ZkKP2
TLSH
T1D3D13941ABEC226AF7BB09306BB143365076B8A0EFBAD7BE04A4014E29611400C71F39
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral10/memory/4916-0-0x0000000010000000-0x0000000010009000-memory.dmp	acprotect
behavioral10/memory/4916-2-0x0000000010000000-0x0000000010009000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral10/memory/4916-0-0x0000000010000000-0x0000000010009000-memory.dmp	upx
behavioral10/memory/4916-2-0x0000000010000000-0x0000000010009000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3636	4916	WerFault.exe	88

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 WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 4916	3352	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\md5dll.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\md5dll.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 496
    3⤵
    - Program crash
    PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4916 -ip 4916
1⤵
PID:720

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/4916-0-0x0000000010000000-0x0000000010009000-memory.dmp

Download

memory/4916-2-0x0000000010000000-0x0000000010009000-memory.dmp