Analysis
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max time kernel
150s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
28/07/2024, 11:01
Behavioral task
behavioral1
Sample
15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe
Resource
win10v2004-20240730-en
General
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Target
15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe
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Size
103KB
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MD5
15eefc6f36908fb2b9f889f7e726660e
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SHA1
b9591e5570bd17b8e03fcfb76ac10450d0e15ba5
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SHA256
b5d2b1c680bfe8463e508d45ae7a0005705c5f02c753f354390f929c4fd31e9e
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SHA512
1ab07292c3035be937e2ed4c4e77f83bfddbebd558a9d0d5ce1b72e14d39ac8151e2b48a75451ba3fe0e1e569f3a78e03fe04472f28b7a2822fb95f56b2387d7
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SSDEEP
768:9bRNRMGmRVUFuNrM+rMRa8NucatzFSn2G:9bRN29VUw2+gRJNvE
Malware Config
Extracted
njrat
im523
ValPer PROTECT
192.168.0.103:1177
45e516a2514ecdb988d366d41acc6e1d
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reg_key
45e516a2514ecdb988d366d41acc6e1d
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2752 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45e516a2514ecdb988d366d41acc6e1d.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45e516a2514ecdb988d366d41acc6e1d.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 1928 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2172 15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\45e516a2514ecdb988d366d41acc6e1d = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\45e516a2514ecdb988d366d41acc6e1d = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf server.exe File opened for modification C:\autorun.inf server.exe File created D:\autorun.inf server.exe File created F:\autorun.inf server.exe File opened for modification F:\autorun.inf server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe -
Kills process with taskkill 1 IoCs
pid Process 2768 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe 1928 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1928 server.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 1928 server.exe Token: SeDebugPrivilege 2768 taskkill.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe Token: 33 1928 server.exe Token: SeIncBasePriorityPrivilege 1928 server.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2172 wrote to memory of 1928 2172 15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe 31 PID 2172 wrote to memory of 1928 2172 15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe 31 PID 2172 wrote to memory of 1928 2172 15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe 31 PID 2172 wrote to memory of 1928 2172 15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe 31 PID 1928 wrote to memory of 2752 1928 server.exe 32 PID 1928 wrote to memory of 2752 1928 server.exe 32 PID 1928 wrote to memory of 2752 1928 server.exe 32 PID 1928 wrote to memory of 2752 1928 server.exe 32 PID 1928 wrote to memory of 2768 1928 server.exe 33 PID 1928 wrote to memory of 2768 1928 server.exe 33 PID 1928 wrote to memory of 2768 1928 server.exe 33 PID 1928 wrote to memory of 2768 1928 server.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\15eefc6f36908fb2b9f889f7e726660e_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2752
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C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM Exsample.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2768
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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
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
103KB
MD515eefc6f36908fb2b9f889f7e726660e
SHA1b9591e5570bd17b8e03fcfb76ac10450d0e15ba5
SHA256b5d2b1c680bfe8463e508d45ae7a0005705c5f02c753f354390f929c4fd31e9e
SHA5121ab07292c3035be937e2ed4c4e77f83bfddbebd558a9d0d5ce1b72e14d39ac8151e2b48a75451ba3fe0e1e569f3a78e03fe04472f28b7a2822fb95f56b2387d7