Analysis
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max time kernel
28s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-06-2021 11:20
Static task
static1
Behavioral task
behavioral1
Sample
TT-4.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
TT-4.exe
Resource
win10v20210410
General
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Target
TT-4.exe
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Size
307KB
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MD5
19295d360b9ca2678d757d87d9445a65
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SHA1
ac9d2e9364f8914004af53406627e04fc8ce2b9d
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SHA256
f6baf2cbb7e86d3c1e140b0cc62dec7de55cc5359eeee7eda6f21ce0a00c13e9
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SHA512
25af690a903a1cac3716bfe347dd5ef3f68b2cf5da227603b37d003e47a0b6394a77d69b48a9b430cbbbf9f309a4c8eff3eee58d13326b99c755d399c892c156
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
RegAsm.exepid process 3456 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
TT-4.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\CertEnrollCtrl = "\"C:\\Users\\Admin\\AppData\\Roaming\\CertEnrollCtrl\\CertEnrollCtrl.exe\"" TT-4.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TT-4.exedescription pid process target process PID 2228 set thread context of 3456 2228 TT-4.exe RegAsm.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
RegAsm.exepid process 3456 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
TT-4.exepid process 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe 2228 TT-4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
TT-4.exedescription pid process Token: SeDebugPrivilege 2228 TT-4.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
TT-4.exedescription pid process target process PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe PID 2228 wrote to memory of 3456 2228 TT-4.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TT-4.exe"C:\Users\Admin\AppData\Local\Temp\TT-4.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exeC:\Users\Admin\AppData\Local\Temp\RegAsm.exe2⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
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\RegAsm.exeMD5
b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exeMD5
b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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memory/2228-125-0x0000000005690000-0x0000000005691000-memory.dmpFilesize
4KB
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memory/2228-122-0x0000000003030000-0x0000000003047000-memory.dmpFilesize
92KB
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memory/2228-123-0x0000000005560000-0x0000000005561000-memory.dmpFilesize
4KB
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memory/2228-124-0x0000000005B20000-0x0000000005B21000-memory.dmpFilesize
4KB
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memory/2228-114-0x0000000000C20000-0x0000000000C21000-memory.dmpFilesize
4KB
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memory/2228-117-0x0000000005610000-0x0000000005611000-memory.dmpFilesize
4KB
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memory/2228-116-0x0000000001350000-0x0000000001352000-memory.dmpFilesize
8KB
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memory/3456-127-0x000000000040453A-mapping.dmp
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memory/3456-126-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/3456-134-0x0000000005880000-0x0000000005881000-memory.dmpFilesize
4KB
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memory/3456-135-0x0000000006400000-0x0000000006401000-memory.dmpFilesize
4KB