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Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16/04/2024, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe
Resource
win10v2004-20240412-en
General
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Target
43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe
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Size
197KB
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MD5
1f713539b5dbfdf2ef5b0620806af6ee
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SHA1
a1b82c2f270bef7afd1fc2e5d102832695d06be1
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SHA256
43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb
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SHA512
ede9a0fa39da67d7116da9e207807b5bc893a975621e39bb600fc4dac8025ce4ac2faccaf0b98723a3f09050db55dc2498a89ecb203dbd24e5b4bc6f9139bb87
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOJ:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX4
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe -
Executes dropped EXE 1 IoCs
pid Process 2648 bqchost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\bqchost.exe 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe File opened for modification C:\Windows\Debug\bqchost.exe 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2840 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2840 wrote to memory of 4648 2840 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe 92 PID 2840 wrote to memory of 4648 2840 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe 92 PID 2840 wrote to memory of 4648 2840 43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe"C:\Users\Admin\AppData\Local\Temp\43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\43C794~1.EXE > nul2⤵PID:4648
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C:\Windows\Debug\bqchost.exeC:\Windows\Debug\bqchost.exe1⤵
- Executes dropped EXE
PID:2648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
197KB
MD5df51d28fa07d9574d3b04de772effbf1
SHA141bf8b9ec482a5d730945b557b1d83480b4df3bb
SHA256de4657b0958d80a6c3903312186ff0c16e5c6dfdaa9bd7bbd7b5d4ec6ac5c041
SHA512585dfe12e9e0bbc42c9b2db4a0d926812998491945b000f7b1fd070a52d56e3647572901f44fbcbcf593a5a8d392b3f218fa457403edcd8818e961077e9702dc