Analysis
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max time kernel
97s -
max time network
97s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:37
Behavioral task
behavioral1
Sample
tas0v3FvZSBpyH2.exe
Resource
win7v20201028
General
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Target
tas0v3FvZSBpyH2.exe
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Size
676KB
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MD5
557353bdbd122177a75fe9b79e5b4242
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SHA1
5815cf11845fb0eac0634fe7422b27f6f51163f5
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SHA256
3347f2ee195495a012ed7553481c88da56ff417f428598706c8d629dad11fe51
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SHA512
e7eb2ae7db03555fdf1c800305bc060fc07e6d9667910a9a022cc10f40e6d3edf901b7f4903799706b43566977e2e1f62e971109ffe84c9398f3f11beea10b74
Malware Config
Extracted
lokibot
http://skull3.ga/martins27/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/1204-5-0x0000000000550000-0x0000000000553000-memory.dmp coreentity -
Processes:
resource yara_rule behavioral1/memory/1204-6-0x0000000004C30000-0x0000000004C52000-memory.dmp rezer0 -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
tas0v3FvZSBpyH2.exedescription pid process target process PID 1204 set thread context of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
tas0v3FvZSBpyH2.exepid process 1204 tas0v3FvZSBpyH2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tas0v3FvZSBpyH2.exevbc.exedescription pid process Token: SeDebugPrivilege 1204 tas0v3FvZSBpyH2.exe Token: SeDebugPrivilege 1664 vbc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
tas0v3FvZSBpyH2.exepid process 1204 tas0v3FvZSBpyH2.exe 1204 tas0v3FvZSBpyH2.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
tas0v3FvZSBpyH2.exedescription pid process target process PID 1204 wrote to memory of 1688 1204 tas0v3FvZSBpyH2.exe schtasks.exe PID 1204 wrote to memory of 1688 1204 tas0v3FvZSBpyH2.exe schtasks.exe PID 1204 wrote to memory of 1688 1204 tas0v3FvZSBpyH2.exe schtasks.exe PID 1204 wrote to memory of 1688 1204 tas0v3FvZSBpyH2.exe schtasks.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe PID 1204 wrote to memory of 1664 1204 tas0v3FvZSBpyH2.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tas0v3FvZSBpyH2.exe"C:\Users\Admin\AppData\Local\Temp\tas0v3FvZSBpyH2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TCGVLxd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5CD0.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"{path}"2⤵
- 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\Local\Temp\tmp5CD0.tmpMD5
aba34a75e51281c82b589410284053c9
SHA1430ae9586717ebdbbf52b125ee12d2d34daea674
SHA256f287b771bbe59f92c36161ad145a92de0263abbea42ae21141688b36daca6d43
SHA51268ee106569b071cb6b30040f4e241edfbcc8730d5994596f45c23d0ff4e536ac7c6332d67b5be57bea95fcfe68dbd1fd640b74ecd0af3cd48a3e845ccee53df7
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memory/1096-4-0x000007FEF7140000-0x000007FEF73BA000-memory.dmpFilesize
2.5MB
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memory/1204-0-0x00000000740B0000-0x000000007479E000-memory.dmpFilesize
6.9MB
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memory/1204-1-0x0000000000380000-0x0000000000381000-memory.dmpFilesize
4KB
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memory/1204-3-0x0000000000690000-0x00000000006B4000-memory.dmpFilesize
144KB
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memory/1204-5-0x0000000000550000-0x0000000000553000-memory.dmpFilesize
12KB
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memory/1204-6-0x0000000004C30000-0x0000000004C52000-memory.dmpFilesize
136KB
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memory/1664-9-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1664-10-0x00000000004139DE-mapping.dmp
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memory/1664-11-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1688-7-0x0000000000000000-mapping.dmp