Analysis
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max time kernel
156s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 04:41
Behavioral task
behavioral1
Sample
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe
Resource
win10v2004-20220414-en
General
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Target
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe
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Size
43KB
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MD5
f59e59fa5f98efd36fdadcf78707b820
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SHA1
0e3d922da4a73c76acc7fdc2623008e3654d51db
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SHA256
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a
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SHA512
f37fa532bfd682d583e17e59c31aba1cc597bd10cc2deaaef81bdf5d86213b3ea0b41739825bba7b7ad9c62edc7d9dbd996bbbb003129957a30ae2841140a3b5
Malware Config
Extracted
njrat
Njrat 0.7 Golden By Hassan Amiri
HacKed
wkipir1cfg.ddns.net:7777
Windows Update
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reg_key
Windows Update
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splitter
|Hassan|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 2592 svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation 09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe -
Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exesvchost.exepid process 2200 09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe 2592 svchost.exe -
Suspicious use of AdjustPrivilegeToken 29 IoCs
Processes:
svchost.exedescription pid process Token: SeDebugPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe Token: 33 2592 svchost.exe Token: SeIncBasePriorityPrivilege 2592 svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exedescription pid process target process PID 2200 wrote to memory of 2592 2200 09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe svchost.exe PID 2200 wrote to memory of 2592 2200 09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe svchost.exe PID 2200 wrote to memory of 2592 2200 09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe"C:\Users\Admin\AppData\Local\Temp\09bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a.exe"1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
43KB
MD5f59e59fa5f98efd36fdadcf78707b820
SHA10e3d922da4a73c76acc7fdc2623008e3654d51db
SHA25609bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a
SHA512f37fa532bfd682d583e17e59c31aba1cc597bd10cc2deaaef81bdf5d86213b3ea0b41739825bba7b7ad9c62edc7d9dbd996bbbb003129957a30ae2841140a3b5
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
43KB
MD5f59e59fa5f98efd36fdadcf78707b820
SHA10e3d922da4a73c76acc7fdc2623008e3654d51db
SHA25609bbbb95d2e619f119b2f543479ee714caddf4a8231d7e4f515c58bb99589e7a
SHA512f37fa532bfd682d583e17e59c31aba1cc597bd10cc2deaaef81bdf5d86213b3ea0b41739825bba7b7ad9c62edc7d9dbd996bbbb003129957a30ae2841140a3b5
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memory/2200-130-0x0000000000FF0000-0x0000000001002000-memory.dmpFilesize
72KB
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memory/2200-131-0x0000000005A10000-0x0000000005AAC000-memory.dmpFilesize
624KB
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memory/2200-132-0x0000000006260000-0x0000000006804000-memory.dmpFilesize
5.6MB
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memory/2200-133-0x0000000005D90000-0x0000000005E22000-memory.dmpFilesize
584KB
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memory/2592-134-0x0000000000000000-mapping.dmp
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memory/2592-137-0x0000000006230000-0x000000000623A000-memory.dmpFilesize
40KB