Analysis
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max time kernel
150s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09-04-2024 00:33
Static task
static1
Behavioral task
behavioral1
Sample
e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe
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Size
125KB
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MD5
e8cc18f720acb9a6a76ea8a9d4c1c411
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SHA1
17d841f0b57ce956e09012a3eb25fb7e5e2d0663
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SHA256
a71908924e98ac439ec089686915ed90037e2f4414aaad926662a0fc8550e5bf
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SHA512
f8ef9ab4cfb30fefeb6bb1cefe60db16e0840d8a2f963c3c71ba9f993e5f0c22f05eed39fa3e6d962d050b12c2348074847a305550da44eea05e1a17a33ddb94
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SSDEEP
1536:zrmU3kg1FPDWmamwmoTCRRjK2EC4F/Q33IP+FaDuJXMv2NtxZyJMOSWa0SwQ:Hx7PaRmomRjEC4FU3Icab2NY+ObnSf
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2564 netsh.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rblsj.exe e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rblsj.exe e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rblsj.exe snvbvf.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rblsj.exe snvbvf.exe -
Executes dropped EXE 2 IoCs
pid Process 2440 snvbvf.exe 2384 snvbvf.exe -
Loads dropped DLL 1 IoCs
pid Process 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\uakknvrg = "C:\\Users\\Admin\\AppData\\Local\\snvbvf.exe" snvbvf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\uakknvrg = "C:\\Users\\Admin\\AppData\\Local\\snvbvf.exe" snvbvf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\uakknvrg = "C:\\Users\\Admin\\AppData\\Local\\snvbvf.exe" e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\uakknvrg = "C:\\Users\\Admin\\AppData\\Local\\snvbvf.exe" e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1048 set thread context of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 2440 set thread context of 2384 2440 snvbvf.exe 31 -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 1048 wrote to memory of 2104 1048 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 28 PID 2104 wrote to memory of 2564 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 29 PID 2104 wrote to memory of 2564 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 29 PID 2104 wrote to memory of 2564 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 29 PID 2104 wrote to memory of 2564 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 29 PID 2104 wrote to memory of 2440 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 30 PID 2104 wrote to memory of 2440 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 30 PID 2104 wrote to memory of 2440 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 30 PID 2104 wrote to memory of 2440 2104 e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe 30 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31 PID 2440 wrote to memory of 2384 2440 snvbvf.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Local\Temp\e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\e8cc18f720acb9a6a76ea8a9d4c1c411_JaffaCakes118.exe2⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram 1.exe 1 ENABLE3⤵
- Modifies Windows Firewall
PID:2564
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C:\Users\Admin\AppData\Local\snvbvf.exe"C:\Users\Admin\AppData\Local\snvbvf.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Users\Admin\AppData\Local\snvbvf.exeC:\Users\Admin\AppData\Local\snvbvf.exe4⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
PID:2384
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
125KB
MD5e8cc18f720acb9a6a76ea8a9d4c1c411
SHA117d841f0b57ce956e09012a3eb25fb7e5e2d0663
SHA256a71908924e98ac439ec089686915ed90037e2f4414aaad926662a0fc8550e5bf
SHA512f8ef9ab4cfb30fefeb6bb1cefe60db16e0840d8a2f963c3c71ba9f993e5f0c22f05eed39fa3e6d962d050b12c2348074847a305550da44eea05e1a17a33ddb94