23df204c49bb0f82a670f928a4c11f8a36051c855b098431d1b4035b2aadea81

Analysis

max time kernel
150s
max time network
129s
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, 12:26

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General

Target
lighttpd-service-tools-v1.1.1/lighttpd-service-remove.exe
Size 63KB
Sample260925-pmlleaea89
SHA256 23df204c49bb0f82a670f928a4c11f8a36051c855b098431d1b4035b2aadea81
MD5 1a86599cf0f45c8dbbf5c02b15b05b2c
SHA1 2c62c81a179e1aa2ae64dc80bbe218fee2e68ec6
SHA512 11cd15569a54f53b8f058006ce566ff9e1b6149e62afa030540faced4c3987eb64a91b3bef70854e41f0382538f99eb83f54cade93421e1f82087fc3a8622c7a
SSDEEP 1536:M9RNMwPS/OWg1gDlU62RBWx5DaC1ByfelAqFBokxNIsX:MhMyGLxiLRBc5DdBiqQkxNjX
TLSH
T1815302E8B3D5981CE246C4741FF386413719ADAD3FB4AF0F936060DA27B960C936C695
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery execution upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral8/memory/1320-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral8/memory/1320-4-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1876	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	lighttpd-service-remove.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1876	1320	lighttpd-service-remove.exe	90
PID 1876 wrote to memory of 2852	1876	cmd.exe	91
PID 2852 wrote to memory of 3696	2852	net.exe	92

C:\Users\Admin\AppData\Local\Temp\lighttpd-service-tools-v1.1.1\lighttpd-service-remove.exe
"C:\Users\Admin\AppData\Local\Temp\lighttpd-service-tools-v1.1.1\lighttpd-service-remove.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\bt8804.bat "C:\Users\Admin\AppData\Local\Temp\lighttpd-service-tools-v1.1.1\lighttpd-service-remove.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\net.exe
    NET STOP lighttpd
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 STOP lighttpd
      4⤵
      System Location Discovery: System Language Discovery
      PID:3696

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

bt8804.bat

Path C:\Users\Admin\AppData\Local\Temp\bt8804.bat
Size 1KB
SHA256 19d85f8ede6e63fe39c1248a0385cbdf381ce69fc4dfbd3db963c3706ce721a1
MD5 0469be83811b679c18f3c2f50ed7d366
SHA1 e05a7a4103f1d2e540c431764fa63b9d1d5a6828
SHA512 bde18121264bd582a571f8821e5921470d807b2c66f966c15c46da49d3a9084238f20f9a5d165a33286fc9acb666efc31cc77939efad082154ce1f9ad5d0c86a
TLSH
T14C2198D96CCA09A05191F2437C02C445E72BB194BC0D348E35DDED596B8DBA8167F89F
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1320-0-0x0000000000400000-0x000000000042B000-memory.dmp

Download

memory/1320-4-0x0000000000400000-0x000000000042B000-memory.dmp