Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
06-02-2025 11:28
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe
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Size
502KB
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MD5
aaaafdbf07bbf3bf082ae5df93f1b09e
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SHA1
74d3235f645b9416370dc5a9eda3191889098678
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SHA256
c48c66b35c2ea95218ca0dbeca97046ef5e96ca10abee0712f71d601b70b83eb
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SHA512
59aab295b0c59c900451ff080aa991f8641f23faf88c68398c5d724191555146eb0fb8fd4b3b47ccac85554c8d87b26ab5c25f6da7b6ca449eec417fb5e6d649
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SSDEEP
12288:e6/DdQHroPTAwpwXQsBPTeoG0HhDtdC2Cp4JSErXDYMkFeSrdNLCQOIvf:V7WsPkA8QsBPyoG0HBrC2zJSKDpkF5rF
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" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe" lncom.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run lncom.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 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 -
Executes dropped EXE 4 IoCs
pid Process 2384 lncom_.exe 696 lncom.exe 2784 fservice.exe 2804 services.exe -
Loads dropped DLL 18 IoCs
pid Process 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 880 WerFault.exe 880 WerFault.exe 880 WerFault.exe 880 WerFault.exe 880 WerFault.exe 880 WerFault.exe 696 lncom.exe 696 lncom.exe 880 WerFault.exe 2804 services.exe 2804 services.exe 2784 fservice.exe 696 lncom.exe 880 WerFault.exe -
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 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\lncom.exe JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe File opened for modification C:\Windows\SysWOW64\fservice.exe lncom.exe File created C:\Windows\SysWOW64\fservice.exe fservice.exe File opened for modification C:\Windows\SysWOW64\fservice.exe fservice.exe File created C:\Windows\SysWOW64\winkey.dll services.exe File created C:\Windows\SysWOW64\reginv.dll services.exe File created C:\Windows\SysWOW64\fservice.exe services.exe File created C:\Windows\SysWOW64\lncom_.exe JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe File created C:\Windows\SysWOW64\fservice.exe lncom.exe -
resource yara_rule behavioral1/files/0x00070000000186ca-8.dat upx behavioral1/files/0x000a0000000122d0-24.dat upx behavioral1/memory/696-25-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2384-14-0x0000000000400000-0x0000000000446000-memory.dmp upx behavioral1/memory/2784-46-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/696-45-0x0000000003A70000-0x0000000003C6F000-memory.dmp upx behavioral1/memory/2804-60-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2384-59-0x0000000000400000-0x0000000000446000-memory.dmp upx behavioral1/memory/2784-72-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/696-74-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/696-76-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-79-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-78-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-81-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-82-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-83-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-84-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-85-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-86-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-87-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-88-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-89-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-90-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-91-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-92-0x0000000000400000-0x00000000005FF000-memory.dmp upx behavioral1/memory/2804-93-0x0000000000400000-0x00000000005FF000-memory.dmp upx -
Drops file in Windows directory 7 IoCs
description ioc Process 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 File created C:\Windows\system\sservice.exe services.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 880 2384 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 9 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 net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lncom.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 lncom_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fservice.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
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe 2804 services.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2804 services.exe 2804 services.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1440 wrote to memory of 2384 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 30 PID 1440 wrote to memory of 2384 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 30 PID 1440 wrote to memory of 2384 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 30 PID 1440 wrote to memory of 2384 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 30 PID 1440 wrote to memory of 696 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 32 PID 1440 wrote to memory of 696 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 32 PID 1440 wrote to memory of 696 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 32 PID 1440 wrote to memory of 696 1440 JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe 32 PID 2384 wrote to memory of 880 2384 lncom_.exe 33 PID 2384 wrote to memory of 880 2384 lncom_.exe 33 PID 2384 wrote to memory of 880 2384 lncom_.exe 33 PID 2384 wrote to memory of 880 2384 lncom_.exe 33 PID 696 wrote to memory of 2784 696 lncom.exe 34 PID 696 wrote to memory of 2784 696 lncom.exe 34 PID 696 wrote to memory of 2784 696 lncom.exe 34 PID 696 wrote to memory of 2784 696 lncom.exe 34 PID 2784 wrote to memory of 2804 2784 fservice.exe 35 PID 2784 wrote to memory of 2804 2784 fservice.exe 35 PID 2784 wrote to memory of 2804 2784 fservice.exe 35 PID 2784 wrote to memory of 2804 2784 fservice.exe 35 PID 2804 wrote to memory of 2680 2804 services.exe 36 PID 2804 wrote to memory of 2680 2804 services.exe 36 PID 2804 wrote to memory of 2680 2804 services.exe 36 PID 2804 wrote to memory of 2680 2804 services.exe 36 PID 2804 wrote to memory of 2892 2804 services.exe 37 PID 2804 wrote to memory of 2892 2804 services.exe 37 PID 2804 wrote to memory of 2892 2804 services.exe 37 PID 2804 wrote to memory of 2892 2804 services.exe 37 PID 2892 wrote to memory of 2684 2892 NET.exe 40 PID 2892 wrote to memory of 2684 2892 NET.exe 40 PID 2892 wrote to memory of 2684 2892 NET.exe 40 PID 2892 wrote to memory of 2684 2892 NET.exe 40 PID 2680 wrote to memory of 2320 2680 NET.exe 41 PID 2680 wrote to memory of 2320 2680 NET.exe 41 PID 2680 wrote to memory of 2320 2680 NET.exe 41 PID 2680 wrote to memory of 2320 2680 NET.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aaaafdbf07bbf3bf082ae5df93f1b09e.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\lncom_.exe"C:\Windows\system32\lncom_.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 563⤵
- Loads dropped DLL
- Program crash
PID:880
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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:696 -
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:2784 -
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:2804 -
C:\Windows\SysWOW64\NET.exeNET STOP srservice5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP srservice6⤵
- System Location Discovery: System Language Discovery
PID:2320
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C:\Windows\SysWOW64\NET.exeNET STOP navapsvc5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP navapsvc6⤵
- System Location Discovery: System Language Discovery
PID:2684
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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
341KB
MD5ca772d8b4aaaec0967a828385c885e56
SHA1c517abc6103813788828650864aff79f369ec427
SHA2569f688d9924364f88f78a3c6f61443fb20f3eb5a6921f8e900c9b9b0ad2d8e463
SHA51294f0e214343c28d0cc2c6584b660d60564a6cf9371f3d84f08c3206c6cc9d4bc9c2fb2b3d20e7306701314a0b7591e020e2e0d4c81a17510dda5ad741a87d85b
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Filesize
155KB
MD590022761d07a92dffaf0d853a2196f0d
SHA19b224c18539804a12cdf7f993502b8c80cb96308
SHA256771c6cff80c197c726da73d6b187186cd3b2ec97d2db9d8894ad2782d6140e6f
SHA5125f218a09cc045fb4a059a733743c9352f56f43c9f604f2f597e128838808415a56c0f1a1b78b9223907aeda232533bbad2dbd053b09f2ba935cd06f76d1b223d
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Filesize
36KB
MD5d4a3f90e159ffbcbc4f9740de4b7f171
SHA10542f5d1e2c23dca8d90766b3a8537dc3880e5c9
SHA2562200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77
SHA5125493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94
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Filesize
24KB
MD543e7d9b875c921ba6be38d45540fb9dd
SHA1f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4
SHA256f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b
SHA5122e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622