Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/02/2024, 16:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe
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Size
467KB
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MD5
a66d3a090b0349967c75a366b30483ce
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SHA1
14ccf293e94f38a36fd75942119c23cada7ea2b0
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SHA256
a2a5b468d32b605ba54c6422d4da18a05def734ccd9b4575aa70a1f5ab3818f7
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SHA512
77c55b22823b37871e5313f2bf46990ed644fe1e84fd674da0c73e30782566958ea93c519d8a536f976ca186d8d0fe462fa1469de471136c9f6d5e0ef29f0da1
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SSDEEP
12288:Bb4bZudi79LJql80fXepfmF3fTiF8knRNSEsAk:Bb4bcdkLJJ0fuZMmF80RN6
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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation C11D.tmp -
Executes dropped EXE 1 IoCs
pid Process 1724 C11D.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.
description 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
description 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
description ioc Process Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings C11D.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4776 WINWORD.EXE 4776 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1724 C11D.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4776 WINWORD.EXE 4776 WINWORD.EXE 4776 WINWORD.EXE 4776 WINWORD.EXE 4776 WINWORD.EXE 4776 WINWORD.EXE 4776 WINWORD.EXE 4776 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5092 wrote to memory of 1724 5092 2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe 84 PID 5092 wrote to memory of 1724 5092 2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe 84 PID 5092 wrote to memory of 1724 5092 2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe 84 PID 1724 wrote to memory of 4776 1724 C11D.tmp 85 PID 1724 wrote to memory of 4776 1724 C11D.tmp 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Users\Admin\AppData\Local\Temp\C11D.tmp"C:\Users\Admin\AppData\Local\Temp\C11D.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.exe 02E8E18C30F785ECDBC8B784E14723EB89A7F651964802460BAD16CDA57DCDE0063EF1D99CEB8EE8FB25C9A5121913B0CE37B63F1E9E830502E9B6231B04C6032⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1724 -
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\2024-02-19_a66d3a090b0349967c75a366b30483ce_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4776
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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
MD54345ab935fd98bea9dcb7c4362e476d9
SHA1f0fea4cd6dc8a5f52fef11c583d70c526d94267a
SHA25602daa52ffc42024a9e93c7415ee4ddb149737275270451181c066e9e404c4007
SHA512e900dd26db9c741c6b4e24d5fb27b3d350fa08fdbd0f8a83637a322f0d30f87e7a85c74ebd9c042ab0f85012ecffd16ccbdc595900011d5ba8aeb4244dc88ee4
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84