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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09/07/2024, 14:56
Static task
static1
Behavioral task
behavioral1
Sample
30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe
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Size
501KB
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MD5
30d629cdfeb98e890486331ec91ad634
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SHA1
429fb027fdb908ac37c0ea6cf486c99b88448125
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SHA256
3601ec13010eacc71a344284465bff6ccb46662786516820ee9f99ae4abe552c
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SHA512
82b99be6153fb2bb67149957f9f4b03fcb96c0c1e341dae04ddd566f04a1ebb2ae25477dbb2a31cc4bdff6ec2ea2d269b5d9eae0f676ee603fed8d9d2dfd5da3
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SSDEEP
12288:tLwprcyawTYtlbjBJx2rYcaPxbTVzjdvmJrmQsvB:tUprHxylb1JY8zFzJuAp
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" 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.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 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.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} 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe" 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.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 -
resource yara_rule behavioral2/files/0x000a000000023466-98.dat aspack_v212_v242 -
Executes dropped EXE 2 IoCs
pid Process 4508 fservice.exe 3360 services.exe -
Loads dropped DLL 3 IoCs
pid Process 3360 services.exe 3360 services.exe 3360 services.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ services.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\fservice.exe 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\fservice.exe 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.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 -
Drops file in Windows directory 7 IoCs
description ioc Process File created C:\Windows\system\sservice.exe 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe File opened for modification C:\Windows\system\sservice.exe 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.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 -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 4508 fservice.exe 4508 fservice.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe 3360 services.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3360 services.exe 3360 services.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4716 wrote to memory of 4508 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 85 PID 4716 wrote to memory of 4508 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 85 PID 4716 wrote to memory of 4508 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 85 PID 4716 wrote to memory of 2364 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 86 PID 4716 wrote to memory of 2364 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 86 PID 4716 wrote to memory of 2364 4716 30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe 86 PID 4508 wrote to memory of 3360 4508 fservice.exe 88 PID 4508 wrote to memory of 3360 4508 fservice.exe 88 PID 4508 wrote to memory of 3360 4508 fservice.exe 88 PID 3360 wrote to memory of 3776 3360 services.exe 89 PID 3360 wrote to memory of 3776 3360 services.exe 89 PID 3360 wrote to memory of 3776 3360 services.exe 89 PID 3360 wrote to memory of 1608 3360 services.exe 90 PID 3360 wrote to memory of 1608 3360 services.exe 90 PID 3360 wrote to memory of 1608 3360 services.exe 90 PID 1608 wrote to memory of 488 1608 NET.exe 93 PID 1608 wrote to memory of 488 1608 NET.exe 93 PID 1608 wrote to memory of 488 1608 NET.exe 93 PID 3776 wrote to memory of 2264 3776 NET.exe 94 PID 3776 wrote to memory of 2264 3776 NET.exe 94 PID 3776 wrote to memory of 2264 3776 NET.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Windows\SysWOW64\fservice.exeC:\Windows\system32\fservice.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\services.exeC:\Windows\services.exe -XP3⤵
- 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:3360 -
C:\Windows\SysWOW64\NET.exeNET STOP srservice4⤵
- Suspicious use of WriteProcessMemory
PID:3776 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP srservice5⤵PID:2264
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C:\Windows\SysWOW64\NET.exeNET STOP navapsvc4⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP navapsvc5⤵PID:488
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\30d629cdfeb98e890486331ec91ad634_JaffaCakes118.exe.bat2⤵PID:2364
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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
2Replay Monitor
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Downloads
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Filesize
133B
MD5b0bc9c33ad028f7d72651753c9486bc4
SHA1ebcbb2c6df2c1c9e2195dddb3f11732396232e30
SHA25600588b291949164c65b66bc9f7db244a357cf8171b5c6e995ae334f69255b448
SHA5127b66c159fa5e7e30cd812f78cc75695a0c8368eb1c0dc4efd00c380ab5759268af6aaa993891425ae0782a8ba52f33b1e6ad7838a13783540d87c3c99c5432f8
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Filesize
501KB
MD530d629cdfeb98e890486331ec91ad634
SHA1429fb027fdb908ac37c0ea6cf486c99b88448125
SHA2563601ec13010eacc71a344284465bff6ccb46662786516820ee9f99ae4abe552c
SHA51282b99be6153fb2bb67149957f9f4b03fcb96c0c1e341dae04ddd566f04a1ebb2ae25477dbb2a31cc4bdff6ec2ea2d269b5d9eae0f676ee603fed8d9d2dfd5da3
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Filesize
36KB
MD5562e0d01d6571fa2251a1e9f54c6cc69
SHA183677ad3bc630aa6327253c7b3deffbd4a8ce905
SHA256c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6
SHA512166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea
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Filesize
13KB
MD5b4c72da9fd1a0dcb0698b7da97daa0cd
SHA1b25a79e8ea4c723c58caab83aed6ea48de7ed759
SHA25645d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f
SHA512f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066