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Analysis
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max time kernel
150s -
max time network
22s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01/01/2025, 10:54
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe
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Size
276KB
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MD5
52406ab5bc64563c1eb544c201c943aa
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SHA1
54a8ff5e620f03a98adde2bb0eb42c7fc80d7c1c
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SHA256
473f047c2ce0905a6a93ce61e38ff40612c547560c433938c69eb27691e9868f
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SHA512
96dc4579bce2e8860f56b48231ae9a1dd0ac4ec71d5a058bfcc5991b2498521a36a018bfa7afbcaeaec116995803c45c93f1f0463d5135eb5a5c9e55a21871b6
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SSDEEP
6144:Pg9OvfU5US1IhI88u0p4tA5eyeNZmz85VBWYx07Q6D:IOv85zcI8vA5MnmwIYo/
Malware Config
Extracted
njrat
0.7d
server
psycho77777.ddns.net:1177
24b6054fc8f5be0070f08d51b2a1dd72
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reg_key
24b6054fc8f5be0070f08d51b2a1dd72
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splitter
|'|'|
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3028 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 276 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2236 JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\24b6054fc8f5be0070f08d51b2a1dd72 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\24b6054fc8f5be0070f08d51b2a1dd72 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe Token: 33 276 server.exe Token: SeIncBasePriorityPrivilege 276 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2236 wrote to memory of 276 2236 JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe 29 PID 2236 wrote to memory of 276 2236 JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe 29 PID 2236 wrote to memory of 276 2236 JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe 29 PID 2236 wrote to memory of 276 2236 JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe 29 PID 276 wrote to memory of 3028 276 server.exe 30 PID 276 wrote to memory of 3028 276 server.exe 30 PID 276 wrote to memory of 3028 276 server.exe 30 PID 276 wrote to memory of 3028 276 server.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52406ab5bc64563c1eb544c201c943aa.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3028
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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
276KB
MD552406ab5bc64563c1eb544c201c943aa
SHA154a8ff5e620f03a98adde2bb0eb42c7fc80d7c1c
SHA256473f047c2ce0905a6a93ce61e38ff40612c547560c433938c69eb27691e9868f
SHA51296dc4579bce2e8860f56b48231ae9a1dd0ac4ec71d5a058bfcc5991b2498521a36a018bfa7afbcaeaec116995803c45c93f1f0463d5135eb5a5c9e55a21871b6