Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 20:44
Static task
static1
Behavioral task
behavioral1
Sample
2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe
Resource
win10v2004-20221111-en
General
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Target
2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe
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Size
219KB
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MD5
85ebf369d49d9c99e89dc08fa231076b
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SHA1
18dddad13efaa3f29ac7f7d89992c6449b902ebb
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SHA256
2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac
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SHA512
d4f6f10d1e150ee51e3fb4c5a932ea63f079a17f50d846416b613b01790f4e76e993475190ea06583f77c4e387f685030aef7cc6f862b506aa63abacc4dd8241
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SSDEEP
6144:mV8xLIQ/j6TIZNhGWaOF33OWSkU1/ptr+GWM0DVX:WoMHUHKOxO+or+VX
Malware Config
Extracted
njrat
0.7d
Hacked
kissme1988.no-ip.biz:5552
dc57475995c921da5a2603cdc0101794
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reg_key
dc57475995c921da5a2603cdc0101794
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splitter
|'|'|
Signatures
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Executes dropped EXE 2 IoCs
Processes:
300.exesystemBL.exepid process 1788 300.exe 2020 systemBL.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
systemBL.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe systemBL.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe systemBL.exe -
Loads dropped DLL 1 IoCs
Processes:
300.exepid process 1788 300.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
systemBL.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .." systemBL.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .." systemBL.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 17 IoCs
Processes:
systemBL.exedescription pid process Token: SeDebugPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe Token: 33 2020 systemBL.exe Token: SeIncBasePriorityPrivilege 2020 systemBL.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe300.exesystemBL.exedescription pid process target process PID 1184 wrote to memory of 1788 1184 2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe 300.exe PID 1184 wrote to memory of 1788 1184 2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe 300.exe PID 1184 wrote to memory of 1788 1184 2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe 300.exe PID 1184 wrote to memory of 1788 1184 2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe 300.exe PID 1788 wrote to memory of 2020 1788 300.exe systemBL.exe PID 1788 wrote to memory of 2020 1788 300.exe systemBL.exe PID 1788 wrote to memory of 2020 1788 300.exe systemBL.exe PID 1788 wrote to memory of 2020 1788 300.exe systemBL.exe PID 2020 wrote to memory of 280 2020 systemBL.exe netsh.exe PID 2020 wrote to memory of 280 2020 systemBL.exe netsh.exe PID 2020 wrote to memory of 280 2020 systemBL.exe netsh.exe PID 2020 wrote to memory of 280 2020 systemBL.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe"C:\Users\Admin\AppData\Local\Temp\2df244e4240eeea9e0124d1d8e12c912e2ba519421a5d99cbfa1a768b3c2a2ac.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\300.exeC:\Users\Admin\AppData\Local\Temp\300.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\systemBL.exe"C:\Users\Admin\AppData\Roaming\systemBL.exe"3⤵
- Executes dropped EXE
- Drops startup file
- 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\Roaming\systemBL.exe" "systemBL.exe" ENABLE4⤵
- Modifies Windows Firewall
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\300.exeFilesize
23KB
MD59c480814d52d00cddc8a228e3a700175
SHA1e7c78acef70734e8555bbf136cfd2b864ec8f2bf
SHA256d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c
SHA5121e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202
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C:\Users\Admin\AppData\Local\Temp\300.exeFilesize
23KB
MD59c480814d52d00cddc8a228e3a700175
SHA1e7c78acef70734e8555bbf136cfd2b864ec8f2bf
SHA256d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c
SHA5121e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202
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C:\Users\Admin\AppData\Roaming\systemBL.exeFilesize
23KB
MD59c480814d52d00cddc8a228e3a700175
SHA1e7c78acef70734e8555bbf136cfd2b864ec8f2bf
SHA256d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c
SHA5121e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202
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C:\Users\Admin\AppData\Roaming\systemBL.exeFilesize
23KB
MD59c480814d52d00cddc8a228e3a700175
SHA1e7c78acef70734e8555bbf136cfd2b864ec8f2bf
SHA256d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c
SHA5121e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202
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\Users\Admin\AppData\Roaming\systemBL.exeFilesize
23KB
MD59c480814d52d00cddc8a228e3a700175
SHA1e7c78acef70734e8555bbf136cfd2b864ec8f2bf
SHA256d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c
SHA5121e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202
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memory/280-68-0x0000000000000000-mapping.dmp
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memory/1184-54-0x0000000001060000-0x000000000109E000-memory.dmpFilesize
248KB
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memory/1788-58-0x0000000074BB1000-0x0000000074BB3000-memory.dmpFilesize
8KB
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memory/1788-59-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/1788-55-0x0000000000000000-mapping.dmp
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memory/1788-65-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/1788-66-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/2020-61-0x0000000000000000-mapping.dmp
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memory/2020-67-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/2020-70-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB