Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 06:53
Behavioral task
behavioral1
Sample
f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe
Resource
win7-20231129-en
General
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Target
f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe
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Size
212KB
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MD5
f0858d19d8c5632c3752f538acbdec20
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SHA1
0c3647d6904d31d2ee8b35739477694a9c26f3ab
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SHA256
ebf39d9ff867791bcb167136e494fec8da659ce36cac0f8229206b145b583b47
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SHA512
612df9a74a7ea47ea9690c45d102b97432ba03bdefc388bac0fe2e282848cb0a50ce35911a04cc5b17f1aadf5f958f010964fb696ae656b8be86b91d8fdeb206
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SSDEEP
6144:OJPgv7wJZ87wBjd7mgkZUl30tmSFDpotI:OJPdJS7whdSUtKNn
Malware Config
Extracted
njrat
0.6.4
Hacked
abdo95.ddns.net:1177
ed6e2bf930f6d35b3ac57c049d10ac2c
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reg_key
ed6e2bf930f6d35b3ac57c049d10ac2c
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 312 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
test.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation test.exe -
Drops startup file 2 IoCs
Processes:
Explorer.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed6e2bf930f6d35b3ac57c049d10ac2c.exe Explorer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed6e2bf930f6d35b3ac57c049d10ac2c.exe Explorer.exe -
Executes dropped EXE 2 IoCs
Processes:
test.exeExplorer.exepid process 840 test.exe 4712 Explorer.exe -
Processes:
resource yara_rule behavioral2/memory/636-0-0x0000000000400000-0x0000000000498000-memory.dmp upx behavioral2/memory/636-16-0x0000000000400000-0x0000000000498000-memory.dmp upx behavioral2/memory/636-23-0x0000000000400000-0x0000000000498000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ed6e2bf930f6d35b3ac57c049d10ac2c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .." Explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ed6e2bf930f6d35b3ac57c049d10ac2c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .." Explorer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 48 IoCs
Processes:
Explorer.exepid process 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe 4712 Explorer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Explorer.exedescription pid process Token: SeDebugPrivilege 4712 Explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.execmd.exetest.exeExplorer.exedescription pid process target process PID 636 wrote to memory of 2148 636 f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe cmd.exe PID 636 wrote to memory of 2148 636 f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe cmd.exe PID 636 wrote to memory of 2148 636 f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe cmd.exe PID 2148 wrote to memory of 840 2148 cmd.exe test.exe PID 2148 wrote to memory of 840 2148 cmd.exe test.exe PID 2148 wrote to memory of 840 2148 cmd.exe test.exe PID 840 wrote to memory of 4712 840 test.exe Explorer.exe PID 840 wrote to memory of 4712 840 test.exe Explorer.exe PID 840 wrote to memory of 4712 840 test.exe Explorer.exe PID 4712 wrote to memory of 312 4712 Explorer.exe netsh.exe PID 4712 wrote to memory of 312 4712 Explorer.exe netsh.exe PID 4712 wrote to memory of 312 4712 Explorer.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f0858d19d8c5632c3752f538acbdec20_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Explorer.exe"C:\Users\Admin\AppData\Local\Temp\Explorer.exe"4⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE5⤵
- Modifies Windows Firewall
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\test.exeFilesize
29KB
MD5fc42513e45503d510fb011bbb309e51e
SHA1e9741466f6e68dadb9e874f12d5b62fe14693741
SHA256766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3
SHA5120f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca
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memory/636-0-0x0000000000400000-0x0000000000498000-memory.dmpFilesize
608KB
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memory/636-16-0x0000000000400000-0x0000000000498000-memory.dmpFilesize
608KB
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memory/636-23-0x0000000000400000-0x0000000000498000-memory.dmpFilesize
608KB
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memory/840-5-0x0000000074FC0000-0x0000000075571000-memory.dmpFilesize
5.7MB
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memory/840-6-0x0000000074FC0000-0x0000000075571000-memory.dmpFilesize
5.7MB
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memory/840-7-0x0000000000B70000-0x0000000000B80000-memory.dmpFilesize
64KB
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memory/840-21-0x0000000074FC0000-0x0000000075571000-memory.dmpFilesize
5.7MB
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memory/4712-20-0x0000000074FC0000-0x0000000075571000-memory.dmpFilesize
5.7MB
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memory/4712-19-0x0000000001760000-0x0000000001770000-memory.dmpFilesize
64KB
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memory/4712-18-0x0000000074FC0000-0x0000000075571000-memory.dmpFilesize
5.7MB
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memory/4712-24-0x0000000001760000-0x0000000001770000-memory.dmpFilesize
64KB
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memory/4712-25-0x0000000074FC0000-0x0000000075571000-memory.dmpFilesize
5.7MB
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memory/4712-26-0x0000000001760000-0x0000000001770000-memory.dmpFilesize
64KB
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memory/4712-27-0x0000000001760000-0x0000000001770000-memory.dmpFilesize
64KB
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memory/4712-28-0x0000000001760000-0x0000000001770000-memory.dmpFilesize
64KB
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memory/4712-29-0x0000000001760000-0x0000000001770000-memory.dmpFilesize
64KB