Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12-02-2024 17:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe
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Size
467KB
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MD5
81e28db8f989ba39a1528b906c2d1d89
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SHA1
c1250ea4271cad4f027a502c9c1da3bc59812c17
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SHA256
34c5786626c3d4eb75662dd90984356448a8c6c6bd24ee675b0eb369b57eabbd
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SHA512
2a260e1196c6067fb5068afb2e62c36d0cffbdf86c56a6bc9d2bd885dcc22ef3f136febc55114fdea6f41661797079f6aadb692c84051658d6937b84d3030075
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SSDEEP
12288:Bb4bZudi79LDYhrGpTFeu4F7H8AWN3GhAk:Bb4bcdkLDerGpAHv62x
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.
Processes:
6D8F.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation 6D8F.tmp -
Executes dropped EXE 1 IoCs
Processes:
6D8F.tmppid process 3152 6D8F.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 1 IoCs
Processes:
6D8F.tmpdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000_Classes\Local Settings 6D8F.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4996 WINWORD.EXE 4996 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
6D8F.tmppid process 3152 6D8F.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4996 WINWORD.EXE 4996 WINWORD.EXE 4996 WINWORD.EXE 4996 WINWORD.EXE 4996 WINWORD.EXE 4996 WINWORD.EXE 4996 WINWORD.EXE 4996 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe6D8F.tmpdescription pid process target process PID 3916 wrote to memory of 3152 3916 2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe 6D8F.tmp PID 3916 wrote to memory of 3152 3916 2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe 6D8F.tmp PID 3916 wrote to memory of 3152 3916 2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe 6D8F.tmp PID 3152 wrote to memory of 4996 3152 6D8F.tmp WINWORD.EXE PID 3152 wrote to memory of 4996 3152 6D8F.tmp WINWORD.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Users\Admin\AppData\Local\Temp\6D8F.tmp"C:\Users\Admin\AppData\Local\Temp\6D8F.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.exe 16221D0DAF261581D5D3F2FB1CD1349E93AB438C5CA8D4E2CFCF15811C6D91189D6E4B1549B48F59E0C34E7DDE04F6131BA9AA3B0EAEB25C0B7B241B0F220FB62⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2024-02-12_81e28db8f989ba39a1528b906c2d1d89_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4996
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
35KB
MD5a6b03fc9e5439b7504ba08010a960962
SHA1e93a74f35ac1ed020158642eb1f2087fd31fc7c6
SHA256b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1
SHA512decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0
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Filesize
467KB
MD5c4c5ac3375d5016960b63e094a6c7d37
SHA13c16dbf292377d61869f945a7283740634966d8b
SHA25627e09ce0e092a20c8c96799362532f0fc72a72d314f5f288bc851f501f37ea6f
SHA512d5ee986922a01b6640649db0f62303c02ae381e8baef9815d1efbd3ae09cc71c55ba7ce743ca473ac805d1594963d71d0e5b831c4e8a73c19d098e2b6fd5ca63
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84