Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
22-03-2023 07:51
Behavioral task
behavioral1
Sample
0e47b5de5fd3f5b101d85f0010df6158.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
0e47b5de5fd3f5b101d85f0010df6158.exe
Resource
win10v2004-20230220-en
General
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Target
0e47b5de5fd3f5b101d85f0010df6158.exe
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Size
23KB
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MD5
0e47b5de5fd3f5b101d85f0010df6158
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SHA1
ec4d791a218f09e2d9f5427524f69ee61d801d5c
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SHA256
d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873
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SHA512
3aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c
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SSDEEP
384:OV8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZXm:OG589tXvRpcnu1
Malware Config
Extracted
njrat
0.7d
HacKed
mohamednjrat111.myftp.biz:543
7f4a0bf03501ed8ca94b06b3357046ad
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reg_key
7f4a0bf03501ed8ca94b06b3357046ad
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 1 IoCs
Processes:
dllhost.exepid process 1056 dllhost.exe -
Loads dropped DLL 1 IoCs
Processes:
0e47b5de5fd3f5b101d85f0010df6158.exepid process 2020 0e47b5de5fd3f5b101d85f0010df6158.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
dllhost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\7f4a0bf03501ed8ca94b06b3357046ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dllhost.exe\" .." dllhost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7f4a0bf03501ed8ca94b06b3357046ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dllhost.exe\" .." dllhost.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 21 IoCs
Processes:
dllhost.exedescription pid process Token: SeDebugPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe Token: 33 1056 dllhost.exe Token: SeIncBasePriorityPrivilege 1056 dllhost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
0e47b5de5fd3f5b101d85f0010df6158.exedllhost.exedescription pid process target process PID 2020 wrote to memory of 1056 2020 0e47b5de5fd3f5b101d85f0010df6158.exe dllhost.exe PID 2020 wrote to memory of 1056 2020 0e47b5de5fd3f5b101d85f0010df6158.exe dllhost.exe PID 2020 wrote to memory of 1056 2020 0e47b5de5fd3f5b101d85f0010df6158.exe dllhost.exe PID 2020 wrote to memory of 1056 2020 0e47b5de5fd3f5b101d85f0010df6158.exe dllhost.exe PID 1056 wrote to memory of 1448 1056 dllhost.exe netsh.exe PID 1056 wrote to memory of 1448 1056 dllhost.exe netsh.exe PID 1056 wrote to memory of 1448 1056 dllhost.exe netsh.exe PID 1056 wrote to memory of 1448 1056 dllhost.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0e47b5de5fd3f5b101d85f0010df6158.exe"C:\Users\Admin\AppData\Local\Temp\0e47b5de5fd3f5b101d85f0010df6158.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dllhost.exe"C:\Users\Admin\AppData\Local\Temp\dllhost.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\dllhost.exe" "dllhost.exe" ENABLE3⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\dllhost.exeFilesize
23KB
MD50e47b5de5fd3f5b101d85f0010df6158
SHA1ec4d791a218f09e2d9f5427524f69ee61d801d5c
SHA256d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873
SHA5123aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c
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C:\Users\Admin\AppData\Local\Temp\dllhost.exeFilesize
23KB
MD50e47b5de5fd3f5b101d85f0010df6158
SHA1ec4d791a218f09e2d9f5427524f69ee61d801d5c
SHA256d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873
SHA5123aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c
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\Users\Admin\AppData\Local\Temp\dllhost.exeFilesize
23KB
MD50e47b5de5fd3f5b101d85f0010df6158
SHA1ec4d791a218f09e2d9f5427524f69ee61d801d5c
SHA256d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873
SHA5123aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c
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memory/1056-62-0x0000000002290000-0x00000000022D0000-memory.dmpFilesize
256KB
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memory/1056-63-0x0000000002290000-0x00000000022D0000-memory.dmpFilesize
256KB
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memory/1056-64-0x0000000002290000-0x00000000022D0000-memory.dmpFilesize
256KB
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memory/2020-54-0x0000000000A10000-0x0000000000A50000-memory.dmpFilesize
256KB