Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
21-04-2024 04:03
Static task
static1
Behavioral task
behavioral1
Sample
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe
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Size
111KB
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MD5
fe635fb99ce2f917b2cfa1be8ffa9174
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SHA1
acd1aa7e0a9e3afd23ade0a6d2670797e0a1cb34
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SHA256
56c9445daf1b4edff801d74a78070a283cde693c78ee2100a26b05c320fddb1c
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SHA512
bf184db3a06bfe9efe866d53c1bdf5e664f91d2ccfb6151414c3de277d5e56b86e1011f8a7e079885c4c3d53c344a5b57e3f117c33a5a4633d24806d9a250c4c
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SSDEEP
3072:WGXhwy7Hg9C1PbaRYX2NCancRu7VQufXAP1MGGWcV:W+wS8AUtV
Malware Config
Extracted
njrat
Njrat 0.7 Golden By Hassan Amiri
cs
sbmx.duckdns.org:10130
Windows Update
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reg_key
Windows Update
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splitter
|Hassan|
Signatures
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Drops startup file 2 IoCs
Processes:
System.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe System.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe System.exe -
Executes dropped EXE 1 IoCs
Processes:
System.exepid process 2904 System.exe -
Loads dropped DLL 1 IoCs
Processes:
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exepid process 1304 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
System.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." System.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." System.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exeSystem.exepid process 1304 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe 2904 System.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
System.exedescription pid process Token: SeDebugPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe Token: 33 2904 System.exe Token: SeIncBasePriorityPrivilege 2904 System.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exedescription pid process target process PID 1304 wrote to memory of 2904 1304 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe PID 1304 wrote to memory of 2904 1304 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe PID 1304 wrote to memory of 2904 1304 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe PID 1304 wrote to memory of 2904 1304 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\System.exe"C:\Users\Admin\AppData\Local\Temp\System.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\System.exeFilesize
111KB
MD5fe635fb99ce2f917b2cfa1be8ffa9174
SHA1acd1aa7e0a9e3afd23ade0a6d2670797e0a1cb34
SHA25656c9445daf1b4edff801d74a78070a283cde693c78ee2100a26b05c320fddb1c
SHA512bf184db3a06bfe9efe866d53c1bdf5e664f91d2ccfb6151414c3de277d5e56b86e1011f8a7e079885c4c3d53c344a5b57e3f117c33a5a4633d24806d9a250c4c
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memory/1304-0-0x0000000001270000-0x0000000001286000-memory.dmpFilesize
88KB
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memory/1304-1-0x00000000749D0000-0x00000000750BE000-memory.dmpFilesize
6.9MB
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memory/1304-2-0x00000000004A0000-0x00000000004B2000-memory.dmpFilesize
72KB
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memory/1304-3-0x0000000004EB0000-0x0000000004EF0000-memory.dmpFilesize
256KB
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memory/1304-11-0x00000000749D0000-0x00000000750BE000-memory.dmpFilesize
6.9MB
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memory/2904-12-0x00000000749D0000-0x00000000750BE000-memory.dmpFilesize
6.9MB
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memory/2904-13-0x0000000000350000-0x0000000000366000-memory.dmpFilesize
88KB
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memory/2904-14-0x0000000004EB0000-0x0000000004EF0000-memory.dmpFilesize
256KB
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memory/2904-16-0x00000000749D0000-0x00000000750BE000-memory.dmpFilesize
6.9MB