Analysis
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max time kernel
151s -
max time network
147s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-11-2020 08:33
Static task
static1
Behavioral task
behavioral1
Sample
HFHHzjDb.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
HFHHzjDb.exe
Resource
win10v20201028
General
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Target
HFHHzjDb.exe
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Size
23KB
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MD5
e46af2bdd1dce6e3057ed0620e9258e9
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SHA1
6da0c9a047e7525624d75eab49f2805fd8d1c9b5
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SHA256
20c49b95bdc74a3525446fdc3ccb4c8aa81146bb3455a567d547f3ad3150930a
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SHA512
6c77386418eecaf28869dbc4610cebdd6e9960c1064fd4bd272db63c1b31d3187e64dc763a1417f6cbc3eb6cf0c17b7db0440c12124a360466384790fdf346f4
Malware Config
Extracted
njrat
0.7d
HacKed by ayouboto
frifra.myq-see.com:5552
9f7aaf2b008e1c7912a43cef67198b0a
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reg_key
9f7aaf2b008e1c7912a43cef67198b0a
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
server.exepid process 1292 server.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 1 IoCs
Processes:
HFHHzjDb.exepid process 752 HFHHzjDb.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
server.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\9f7aaf2b008e1c7912a43cef67198b0a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9f7aaf2b008e1c7912a43cef67198b0a = "\"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). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 31 IoCs
Processes:
server.exedescription pid process Token: SeDebugPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe Token: 33 1292 server.exe Token: SeIncBasePriorityPrivilege 1292 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
HFHHzjDb.exeserver.exedescription pid process target process PID 752 wrote to memory of 1292 752 HFHHzjDb.exe server.exe PID 752 wrote to memory of 1292 752 HFHHzjDb.exe server.exe PID 752 wrote to memory of 1292 752 HFHHzjDb.exe server.exe PID 752 wrote to memory of 1292 752 HFHHzjDb.exe server.exe PID 1292 wrote to memory of 1576 1292 server.exe netsh.exe PID 1292 wrote to memory of 1576 1292 server.exe netsh.exe PID 1292 wrote to memory of 1576 1292 server.exe netsh.exe PID 1292 wrote to memory of 1576 1292 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\HFHHzjDb.exe"C:\Users\Admin\AppData\Local\Temp\HFHHzjDb.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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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
- 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\server.exe" "server.exe" ENABLE3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\server.exeMD5
e46af2bdd1dce6e3057ed0620e9258e9
SHA16da0c9a047e7525624d75eab49f2805fd8d1c9b5
SHA25620c49b95bdc74a3525446fdc3ccb4c8aa81146bb3455a567d547f3ad3150930a
SHA5126c77386418eecaf28869dbc4610cebdd6e9960c1064fd4bd272db63c1b31d3187e64dc763a1417f6cbc3eb6cf0c17b7db0440c12124a360466384790fdf346f4
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C:\Users\Admin\AppData\Local\Temp\server.exeMD5
e46af2bdd1dce6e3057ed0620e9258e9
SHA16da0c9a047e7525624d75eab49f2805fd8d1c9b5
SHA25620c49b95bdc74a3525446fdc3ccb4c8aa81146bb3455a567d547f3ad3150930a
SHA5126c77386418eecaf28869dbc4610cebdd6e9960c1064fd4bd272db63c1b31d3187e64dc763a1417f6cbc3eb6cf0c17b7db0440c12124a360466384790fdf346f4
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\Users\Admin\AppData\Local\Temp\server.exeMD5
e46af2bdd1dce6e3057ed0620e9258e9
SHA16da0c9a047e7525624d75eab49f2805fd8d1c9b5
SHA25620c49b95bdc74a3525446fdc3ccb4c8aa81146bb3455a567d547f3ad3150930a
SHA5126c77386418eecaf28869dbc4610cebdd6e9960c1064fd4bd272db63c1b31d3187e64dc763a1417f6cbc3eb6cf0c17b7db0440c12124a360466384790fdf346f4
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memory/1292-1-0x0000000000000000-mapping.dmp
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memory/1576-4-0x0000000000000000-mapping.dmp