Analysis
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max time kernel
149s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
19/08/2024, 01:22
Static task
static1
Behavioral task
behavioral1
Sample
a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe
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Size
593KB
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MD5
a903e1cd06a6c48840234dce0350eabb
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SHA1
7428b167c09771e6247d2543ca9ead6ec8f8e030
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SHA256
64e52c446e244597a397ab27e132c3291b61849bcf376b26a6a6f5036640f1c6
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SHA512
2c316e68c1af5defc78f8870941e13408a717202769807a5a1e7becd1ad0ae7ac2fa5bfd69a2b2e61606ff32e583ce89e4e225c74b68c86dbb8f2835bae38f8e
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SSDEEP
12288:o6/DdQHroPTAwpwXQsBPTeoG0HhDtdC2Cp4JSErXDby89one10afTira9kM5:H7WsPkA8QsBPyoG0HBrC2zJSKDuLePfJ
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
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
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.
description ioc Process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y} lncom.exe -
Deletes itself 1 IoCs
pid Process 2368 cmd.exe -
Executes dropped EXE 3 IoCs
pid Process 2396 lncom.exe 2744 fservice.exe 2436 services.exe -
Loads dropped DLL 8 IoCs
pid Process 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 2396 lncom.exe 2396 lncom.exe 2436 services.exe 2436 services.exe 2744 fservice.exe 2396 lncom.exe -
resource yara_rule behavioral1/files/0x00090000000120fa-20.dat upx behavioral1/memory/2396-23-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2396-37-0x0000000003390000-0x000000000358F000-memory.dmp upx behavioral1/memory/2744-40-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2744-49-0x0000000003410000-0x000000000360F000-memory.dmp upx behavioral1/memory/2436-54-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2744-63-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2396-70-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2396-89-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2436-90-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2436-91-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2396-100-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2436-119-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2436-137-0x0000000000400000-0x00000000005FF000-memory.dmp upx -
Modifies WinLogon 2 TTPs 2 IoCs
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\winkey.dll services.exe File created C:\Windows\SysWOW64\lncom_.mp3 a903e1cd06a6c48840234dce0350eabb_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\fservice.exe fservice.exe File created C:\Windows\SysWOW64\lncom.exe.bat lncom.exe File created C:\Windows\SysWOW64\lncom.exe a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\fservice.exe fservice.exe File created C:\Windows\SysWOW64\reginv.dll services.exe File created C:\Windows\SysWOW64\fservice.exe services.exe -
Drops file in Windows directory 7 IoCs
description ioc Process 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 File created C:\Windows\system\sservice.exe services.exe File created C:\Windows\system\sservice.exe lncom.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fservice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NET.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NET.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lncom.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe -
Runs net.exe
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2520 vlc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe 2436 services.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2520 vlc.exe -
Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe 2520 vlc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2436 services.exe 2520 vlc.exe 2436 services.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1948 wrote to memory of 2520 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 30 PID 1948 wrote to memory of 2520 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 30 PID 1948 wrote to memory of 2520 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 30 PID 1948 wrote to memory of 2520 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 30 PID 1948 wrote to memory of 2396 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 31 PID 1948 wrote to memory of 2396 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 31 PID 1948 wrote to memory of 2396 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 31 PID 1948 wrote to memory of 2396 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 31 PID 1948 wrote to memory of 2368 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 32 PID 1948 wrote to memory of 2368 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 32 PID 1948 wrote to memory of 2368 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 32 PID 1948 wrote to memory of 2368 1948 a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe 32 PID 2396 wrote to memory of 2744 2396 lncom.exe 34 PID 2396 wrote to memory of 2744 2396 lncom.exe 34 PID 2396 wrote to memory of 2744 2396 lncom.exe 34 PID 2396 wrote to memory of 2744 2396 lncom.exe 34 PID 2744 wrote to memory of 2436 2744 fservice.exe 35 PID 2744 wrote to memory of 2436 2744 fservice.exe 35 PID 2744 wrote to memory of 2436 2744 fservice.exe 35 PID 2744 wrote to memory of 2436 2744 fservice.exe 35 PID 2436 wrote to memory of 2616 2436 services.exe 36 PID 2436 wrote to memory of 2616 2436 services.exe 36 PID 2436 wrote to memory of 2616 2436 services.exe 36 PID 2436 wrote to memory of 2616 2436 services.exe 36 PID 2436 wrote to memory of 2364 2436 services.exe 37 PID 2436 wrote to memory of 2364 2436 services.exe 37 PID 2436 wrote to memory of 2364 2436 services.exe 37 PID 2436 wrote to memory of 2364 2436 services.exe 37 PID 2364 wrote to memory of 2668 2364 NET.exe 40 PID 2364 wrote to memory of 2668 2364 NET.exe 40 PID 2364 wrote to memory of 2668 2364 NET.exe 40 PID 2364 wrote to memory of 2668 2364 NET.exe 40 PID 2616 wrote to memory of 2148 2616 NET.exe 41 PID 2616 wrote to memory of 2148 2616 NET.exe 41 PID 2616 wrote to memory of 2148 2616 NET.exe 41 PID 2616 wrote to memory of 2148 2616 NET.exe 41 PID 2396 wrote to memory of 1668 2396 lncom.exe 43 PID 2396 wrote to memory of 1668 2396 lncom.exe 43 PID 2396 wrote to memory of 1668 2396 lncom.exe 43 PID 2396 wrote to memory of 1668 2396 lncom.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Windows\system32\lncom_.mp3"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2520
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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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\SysWOW64\fservice.exeC:\Windows\system32\fservice.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\services.exeC:\Windows\services.exe -XP4⤵
- 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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\SysWOW64\NET.exeNET STOP srservice5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP srservice6⤵
- System Location Discovery: System Language Discovery
PID:2148
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C:\Windows\SysWOW64\NET.exeNET STOP navapsvc5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP navapsvc6⤵
- System Location Discovery: System Language Discovery
PID:2668
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C:\Windows\SysWOW64\cmd.execmd /c C:\Windows\SysWOW64\lncom.exe.bat3⤵
- System Location Discovery: System Language Discovery
PID:1668
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C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\A903E1~1.EXE.bat2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2368
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
133B
MD503a42a71accbe39524922fa709500965
SHA110ee03d9a8284f2d6251743d3a74b3b64bb1bd95
SHA2564b0778c19cfa19cd94ab924e823816086a394597228faf3f460224f56413b921
SHA5127e18710161a4543f84ce83afe9784c222191a12ed5c11029be5511e3efb993744690be826b9c3342896f4e4eeb29d7b84ec70bea7f23c7fac82291c480120781
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Filesize
341KB
MD5b3d0fafbd197c00081101b1665eaf77e
SHA1fc9ccc968253120d79e822dcf35996aaf4da31bf
SHA2567ab1af00d7fb9a226e3ec177006f6995c77f8052aeec3538f04ea14ac6a415f1
SHA512b6616fa6ff89d844dbe4c96390e8c4b2d25dfe2dc105251c10f2c013ce87996749efc076e97e11fefd2949d75ce08238739cce58414d9809de78b2d0a65f3e5a
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Filesize
99B
MD51f73e450d92934cd37c041eb3f1ff51f
SHA1f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0
SHA2563a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e
SHA5125f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5
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Filesize
36KB
MD5d4a3f90e159ffbcbc4f9740de4b7f171
SHA10542f5d1e2c23dca8d90766b3a8537dc3880e5c9
SHA2562200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77
SHA5125493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94
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Filesize
24KB
MD543e7d9b875c921ba6be38d45540fb9dd
SHA1f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4
SHA256f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b
SHA5122e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622