a259e72a817852a461fda613430854ce82361fcbae5f09bd333bf2fadfe93c17

Analysis

max time kernel
149s
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
15/10/2026, 22:33

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General

Target
jaffacakes118_Worm.Win32.Warpigs.a.exe
Size 65KB
Sample261015-2g2fwset7k
SHA256 a259e72a817852a461fda613430854ce82361fcbae5f09bd333bf2fadfe93c17
MD5 651351dc8b33a409f7d89e8d3830c1e2
SHA1 d60213e6e99e442a88ee4b721a6d17775e583978
SHA512 f52c938098e98ed1a8ac8f4f952df9e838f8b884a20c726f75d99ad145e0a7c0fed8df138d7ce03412374896a00f6496f46deb96915e96b2a8645f59ec20ae1a
SSDEEP 1536:zggAun+P5x/1sofO3UlH9tsfOlaEm4mIPQ8rk9U56FlFG2:zgzh/mkLtsOl5mnIPQ8rk9J/FG2
TLSH
T16B63016ED54E0A21F482123213700F69DF24A5A91F71E189DE4ED3235435AE7BE48FE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 16 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	jaffacakes118_Worm.Win32.Warpigs.a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe winupdate.exe"	winupdate.exe

Executes dropped EXE 15 IoCs

pid	Process
2116	winupdate.exe
4072	winupdate.exe
5644	winupdate.exe
3472	winupdate.exe
708	winupdate.exe
4180	winupdate.exe
2788	winupdate.exe
4088	winupdate.exe
1900	winupdate.exe
5188	winupdate.exe
2608	winupdate.exe
2492	winupdate.exe
4136	winupdate.exe
5204	winupdate.exe
2336	winupdate.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\windowsupdate = "winupdate.exe"	jaffacakes118_Worm.Win32.Warpigs.a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\windowsupdate = "winupdate.exe"	jaffacakes118_Worm.Win32.Warpigs.a.exe

Drops file in System32 directory 31 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	jaffacakes118_Worm.Win32.Warpigs.a.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	jaffacakes118_Worm.Win32.Warpigs.a.exe
File opened for modification	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe
File created	C:\Windows\SysWOW64\winupdate.exe	winupdate.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3000-0-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/files/0x001000000001c567-1.dat	upx
behavioral2/memory/3000-3-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/2116-4-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4072-8-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/5644-11-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/3472-14-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/708-18-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4180-21-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/2788-24-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4088-27-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/1900-30-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/5188-34-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/2608-37-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/2492-41-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4136-44-0x0000000000400000-0x000000000045D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 16 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	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Worm.Win32.Warpigs.a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2116	3000	jaffacakes118_Worm.Win32.Warpigs.a.exe	90
PID 2116 wrote to memory of 4072	2116	winupdate.exe	92
PID 4072 wrote to memory of 5644	4072	winupdate.exe	93
PID 5644 wrote to memory of 3472	5644	winupdate.exe	95
PID 3472 wrote to memory of 708	3472	winupdate.exe	96
PID 708 wrote to memory of 4180	708	winupdate.exe	97
PID 4180 wrote to memory of 2788	4180	winupdate.exe	98
PID 2788 wrote to memory of 4088	2788	winupdate.exe	99
PID 4088 wrote to memory of 1900	4088	winupdate.exe	100
PID 1900 wrote to memory of 5188	1900	winupdate.exe	101
PID 5188 wrote to memory of 2608	5188	winupdate.exe	102
PID 2608 wrote to memory of 2492	2608	winupdate.exe	103
PID 2492 wrote to memory of 4136	2492	winupdate.exe	104
PID 4136 wrote to memory of 5204	4136	winupdate.exe	105
PID 5204 wrote to memory of 2336	5204	winupdate.exe	106

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Warpigs.a.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Warpigs.a.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\winupdate.exe
  "C:\Windows\system32\winupdate.exe" mElTC:\USERS\ADMIN\APPDATA\LOCAL\TEMP\JAFFACAKES118_WORM.WIN32.WARPIGS.A.EXE
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\winupdate.exe
    "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
    3⤵
    - Modifies WinLogon for persistence
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4072
  - - C:\Windows\SysWOW64\winupdate.exe
      "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5644
    - - C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        5⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3472
      - C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        6⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:708
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        7⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4180
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        8⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2788
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        9⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4088
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        10⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1900
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        11⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5188
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        12⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2608
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        13⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2492
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        14⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4136
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        15⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5204
        
        C:\Windows\SysWOW64\winupdate.exe
        
        "C:\Windows\system32\winupdate.exe" mElTC:\WINDOWS\SYSWOW64\WINUPDATE.EXE
        16⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        
        PID:2336

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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winupdate.exe

Path C:\Windows\SysWOW64\winupdate.exe
Size 65KB
SHA256 a259e72a817852a461fda613430854ce82361fcbae5f09bd333bf2fadfe93c17
MD5 651351dc8b33a409f7d89e8d3830c1e2
SHA1 d60213e6e99e442a88ee4b721a6d17775e583978
SHA512 f52c938098e98ed1a8ac8f4f952df9e838f8b884a20c726f75d99ad145e0a7c0fed8df138d7ce03412374896a00f6496f46deb96915e96b2a8645f59ec20ae1a
SSDEEP 1536:zggAun+P5x/1sofO3UlH9tsfOlaEm4mIPQ8rk9U56FlFG2:zgzh/mkLtsOl5mnIPQ8rk9J/FG2
TLSH
T16B63016ED54E0A21F482123213700F69DF24A5A91F71E189DE4ED3235435AE7BE48FE7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/708-18-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/1900-30-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/2116-4-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/2492-41-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/2608-37-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/2788-24-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/3000-0-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/3000-3-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/3472-14-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/4072-8-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/4088-27-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/4136-44-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/4180-21-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/5188-34-0x0000000000400000-0x000000000045D000-memory.dmp

Download

memory/5644-11-0x0000000000400000-0x000000000045D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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