Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-01-2025 02:13
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe
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Size
151KB
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MD5
699a4124f54535d6846e4b68b1396520
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SHA1
f4da9f0dea2b03485777fa99e72046e8e7e745a3
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SHA256
07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa
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SHA512
e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267
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SSDEEP
3072:Y4/Hmc5MCcHGpVSkt+DqE7VIp/afUcCXKiDOHsacb3pjGmFYflwKb8c:YcNL5+CxacuMacrpjGmFYNwS
Malware Config
Extracted
njrat
0.7d
jgj
kakam50.no-ip.biz:5552
5ef1dd4d005ba321ffd356a3a05a85b2
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reg_key
5ef1dd4d005ba321ffd356a3a05a85b2
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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 2928 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5ef1dd4d005ba321ffd356a3a05a85b2.exe test.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5ef1dd4d005ba321ffd356a3a05a85b2.exe test.exe -
Executes dropped EXE 1 IoCs
pid Process 2600 test.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\5ef1dd4d005ba321ffd356a3a05a85b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\test.exe\" .." test.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5ef1dd4d005ba321ffd356a3a05a85b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\test.exe\" .." test.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\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe Token: 33 2600 test.exe Token: SeIncBasePriorityPrivilege 2600 test.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2600 2228 JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe 30 PID 2228 wrote to memory of 2600 2228 JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe 30 PID 2228 wrote to memory of 2600 2228 JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe 30 PID 2600 wrote to memory of 2928 2600 test.exe 31 PID 2600 wrote to memory of 2928 2600 test.exe 31 PID 2600 wrote to memory of 2928 2600 test.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_699a4124f54535d6846e4b68b1396520.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\system32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\test.exe" "test.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2928
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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
1Replay Monitor
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Downloads
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Filesize
151KB
MD5699a4124f54535d6846e4b68b1396520
SHA1f4da9f0dea2b03485777fa99e72046e8e7e745a3
SHA25607eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa
SHA512e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267