50a2078e95128a5d98e7687ab1d2733ad3fb97bbe3d8cd42ae0715564e1fa2a0

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 15:42

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General

Target

5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe
Size

428KB
MD5

5c942556fc2236f74e7881960c0495d2
SHA1

cbfcce2e916621d273350457309912ade4e94d7b
SHA256

50a2078e95128a5d98e7687ab1d2733ad3fb97bbe3d8cd42ae0715564e1fa2a0
SHA512

b58ae3c9d5e8a3f760535717ef0b8d5f011d0c063192b201a5e9bb7faf38ecd70540613cabbb975080a2a143a668c24eb942fc8d327be18ac726f405f557d404
SSDEEP

12288:ZqmpplpGoGL3etQoMiXM8gxf/Sj4ykzMDRxT:Z563ey8gZqj4y7L

Score

10^/10

aspackv2 persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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 C:\\Windows\\system32\\fservice.exe"	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	lncom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000900000002342a-37.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
4780	lncom.exe
3832	fservice.exe
2644	services.exe

Loads dropped DLL 5 IoCs

pid	Process
2644	services.exe
2644	services.exe
2644	services.exe
3832	fservice.exe
4780	lncom.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000233d4-5.dat	upx
behavioral2/memory/4780-16-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/3832-26-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/3832-50-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/4780-55-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-57-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-59-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-61-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-62-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-64-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-66-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-68-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-70-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-72-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-74-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-76-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-78-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-80-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-82-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2644-84-0x0000000000400000-0x00000000005FC000-memory.dmp	upx

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	lncom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\lncom_.jpg	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	lncom.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	lncom.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\lncom.exe.bat	lncom.exe
File created	C:\Windows\SysWOW64\lncom.exe	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	lncom.exe
File opened for modification	C:\Windows\system\sservice.exe	lncom.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe
2644	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2644	services.exe
2644	services.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 4780	2976	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe	85
PID 2976 wrote to memory of 4780	2976	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe	85
PID 2976 wrote to memory of 4780	2976	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe	85
PID 2976 wrote to memory of 2980	2976	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe	86
PID 2976 wrote to memory of 2980	2976	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe	86
PID 2976 wrote to memory of 2980	2976	5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe	86
PID 4780 wrote to memory of 3832	4780	lncom.exe	89
PID 4780 wrote to memory of 3832	4780	lncom.exe	89
PID 4780 wrote to memory of 3832	4780	lncom.exe	89
PID 3832 wrote to memory of 2644	3832	fservice.exe	90
PID 3832 wrote to memory of 2644	3832	fservice.exe	90
PID 3832 wrote to memory of 2644	3832	fservice.exe	90
PID 2644 wrote to memory of 1376	2644	services.exe	92
PID 2644 wrote to memory of 1376	2644	services.exe	92
PID 2644 wrote to memory of 1376	2644	services.exe	92
PID 2644 wrote to memory of 2940	2644	services.exe	93
PID 2644 wrote to memory of 2940	2644	services.exe	93
PID 2644 wrote to memory of 2940	2644	services.exe	93
PID 2940 wrote to memory of 5088	2940	NET.exe	96
PID 2940 wrote to memory of 5088	2940	NET.exe	96
PID 2940 wrote to memory of 5088	2940	NET.exe	96
PID 1376 wrote to memory of 1320	1376	NET.exe	97
PID 1376 wrote to memory of 1320	1376	NET.exe	97
PID 1376 wrote to memory of 1320	1376	NET.exe	97
PID 4780 wrote to memory of 2520	4780	lncom.exe	102
PID 4780 wrote to memory of 2520	4780	lncom.exe	102
PID 4780 wrote to memory of 2520	4780	lncom.exe	102

C:\Users\Admin\AppData\Local\Temp\5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5c942556fc2236f74e7881960c0495d2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\lncom.exe
  "C:\Windows\system32\lncom.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:4780
- - C:\Windows\SysWOW64\fservice.exe
    C:\Windows\system32\fservice.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:3832
  - - C:\Windows\services.exe
      C:\Windows\services.exe -XP
      4⤵
      Modifies WinLogon for persistence
      Adds policy Run key to start application
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Loads dropped DLL
      Modifies WinLogon
      Drops file in System32 directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2644
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP srservice
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1376
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        6⤵
        
        PID:1320
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP navapsvc
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2940
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        6⤵
        
        PID:5088
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\lncom.exe.bat
    3⤵
    PID:2520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\5C9425~1.EXE.bat
  2⤵
  PID:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5C9425~1.EXE.bat

Filesize
133B

MD5
affd4b7a38ac9aa9e3136214d1f1b300

SHA1
609f90b3b0097fd1c57c41a297455ddb700939aa

SHA256
9c6380ec4f8c797cc1652c40558919388ddaa185ed84b33e9961913b551d8739

SHA512
ee5de4ef626739a6a168037f9e5de67fa954e1fbbd3024634968c8b22594b7b7bd708daeab35a513362e9bb01c297c22852b2f95ea480176eb7dd6bd12d4931a

Download Submit
C:\Windows\SysWOW64\lncom.exe

Filesize
342KB

MD5
dd747ad0fadb8049994dbf630daf1379

SHA1
be5bab73a9de91910970a307a3415577f951c6e4

SHA256
9244d387fe54d19ce577e075332b5b0c2a18bdfd71ea7842cd62f3591295a684

SHA512
88a2c33b9266fdb3edf46f80ddeb0a1108bf65e619ac7c7001300a41e20d1e7070e6a173c54f17a5f91fa957b6ca012a78d6192660e8a1385bb7b327f74cd2a3

Download Submit
C:\Windows\SysWOW64\lncom.exe.bat

Filesize
99B

MD5
1f73e450d92934cd37c041eb3f1ff51f

SHA1
f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

SHA256
3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

SHA512
5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

Download Submit
C:\Windows\SysWOW64\lncom_.jpg

Filesize
81KB

MD5
070cf6787aa56fbdaa1b2fd98708c34c

SHA1
fb662cbd45033e03f65e0f278f44f4206a3c4293

SHA256
e073f22bff5d22fdbf3665855d2f979d300c4e28421a7edf5d616dd92c71580f

SHA512
93adca8cd47db7fd07d1bb0834c92ef0460d86975ee17276573223eb378d3cc7bc8324c0cd62c024664159b0320501d37bbc97d266a40ed2a51fb3e8e163ba52

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/2644-68-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-70-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-84-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-39-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2644-82-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-80-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-78-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-76-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-58-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2644-57-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-59-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-61-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-62-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-64-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-66-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-74-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2644-72-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2976-14-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/3832-27-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/3832-50-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/3832-26-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4780-16-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4780-55-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4780-17-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download