bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e

Analysis

max time kernel
150s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 18:46

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General

Target
jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
Size 32KB
Sample260925-xe2awsvt7j
SHA256 bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e
MD5 6f6cc1c6c56d629e00aa2a57773118c7
SHA1 d7603952a8064836a244ec746b8a9dd656fc246f
SHA512 79b434a51d4ca5bf85992497e0f26360157acbab23d8482448a25442b9fb00ed1864b80c6d5c005614b7176c0b45844920bd8bd4c5ad06668ef4fbd57fc9b185
SSDEEP 768:f8JbfQLhWCEjyRMW3vDLEHnXIR2IOZQ/2:fMCZjbo3Ge
TLSH
T141E23B46165444F3C3EE4134B17E1F375FBA94782AD550A3DB339ADE5CB42A2E02950F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4160	AVPSrv.exe

Loads dropped DLL 2 IoCs

pid	Process
4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
4160	AVPSrv.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AVPSrv = "C:\\Windows\\AVPSrv.exe"	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\AVPSrv.dll	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
File created	C:\Windows\SysWOW64\AVPSrv.dll	AVPSrv.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AVPSrv.exe	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AVPSrv.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
4160	AVPSrv.exe
4160	AVPSrv.exe
4160	AVPSrv.exe
4160	AVPSrv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
4160	AVPSrv.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 5124	4084	jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe	82
PID 4160 wrote to memory of 5124	4160	AVPSrv.exe	82

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:5124
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4084

C:\Windows\AVPSrv.exe
C:\Windows\AVPSrv.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4160

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

AVPSrv.exe

Path C:\Windows\AVPSrv.exe
Size 32KB
SHA256 bdcacfbfdaf4666b45a6d8bb24553f7101d7408fb77f92a7d2a4aaa12ffc583e
MD5 6f6cc1c6c56d629e00aa2a57773118c7
SHA1 d7603952a8064836a244ec746b8a9dd656fc246f
SHA512 79b434a51d4ca5bf85992497e0f26360157acbab23d8482448a25442b9fb00ed1864b80c6d5c005614b7176c0b45844920bd8bd4c5ad06668ef4fbd57fc9b185
SSDEEP 768:f8JbfQLhWCEjyRMW3vDLEHnXIR2IOZQ/2:fMCZjbo3Ge
TLSH
T141E23B46165444F3C3EE4134B17E1F375FBA94782AD550A3DB339ADE5CB42A2E02950F
MD5 SHA1 SHA512 SSDEEP TLSH

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AVPSrv.dll

Path C:\Windows\SysWOW64\AVPSrv.dll
Size 24KB
SHA256 0bdeaa65991c18e8839b0a8694607d92344f1be32aeb6ed5b576313e28498fed
MD5 10a240a9e57c7045968fcbcdfbc4d0a2
SHA1 4e532af4e047049c2d03da2b8c09b03a761a539a
SHA512 158cbeaa95c2c3cc9971b2c199b665dac9e93b0acdbff8b85491878b87ad09a6f13a8fb2a65ceb87e93a5772f6dda404b6089890cc7c961b3385415350ab246a
SSDEEP 384:lwQAPQxrut6hUNhFCyRf0WQUfCQYeDydWXKf2nENBnXIR2Z2OZQj/Gh:ahWCEjyRMW3vDLEHnXIR2IOZQ/2
TLSH
T136B22816168448F7D3EE4134B0BE2F335EBAA97839D55053DB33AAED1C752A2E06910F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4160-14-0x0000000010000000-0x000000001000B000-memory.dmp

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memory/5124-1-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

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