Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 02:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe
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Size
467KB
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MD5
b2c7efde95d656a5dcb8a7d1a6606642
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SHA1
968d84be8982fb8aacc1b5d184d399217fb17037
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SHA256
f27b5a0ce91973005916c49d5cbdd427dd3a4220a5dedcfd4be4d9c31123d82f
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SHA512
6dbf9db27adf1b63f5bf14c69dfe3379d2d63ad418b20eb18f1affceb864d15b1b0582cbd13370b43e7ebc5f87194b04f2b14cbbac30cbbc37dddbf086712985
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SSDEEP
12288:Bb4bZudi79L0Ylbs3hqLI4qf75JNSfOcAk:Bb4bcdkL0/OIFJ0X
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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation 3BC1.tmp -
Executes dropped EXE 1 IoCs
pid Process 1232 3BC1.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\Local Settings 3BC1.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1636 WINWORD.EXE 1636 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1232 3BC1.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1636 WINWORD.EXE 1636 WINWORD.EXE 1636 WINWORD.EXE 1636 WINWORD.EXE 1636 WINWORD.EXE 1636 WINWORD.EXE 1636 WINWORD.EXE 1636 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2712 wrote to memory of 1232 2712 2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe 89 PID 2712 wrote to memory of 1232 2712 2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe 89 PID 2712 wrote to memory of 1232 2712 2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe 89 PID 1232 wrote to memory of 1636 1232 3BC1.tmp 94 PID 1232 wrote to memory of 1636 1232 3BC1.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Users\Admin\AppData\Local\Temp\3BC1.tmp"C:\Users\Admin\AppData\Local\Temp\3BC1.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.exe 1A2D4BD552CF5DC69E3B704C478F537113020FC878ADA9B50D3C3C2C3B3473B3EDCFAB79162687C818F1CCFB09C8AB30CA9B4C98859AADBC8489E7D34452F1782⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1232 -
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\2024-03-19_b2c7efde95d656a5dcb8a7d1a6606642_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1636
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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
MD50acd1541dce537de452636458e4bae67
SHA15a15b31006bc66a98375a7bf2cadecdac8206a8c
SHA25627a0fc2fb77778c516196b9e536e39f23d7b762f2cbdad7c26fa9d12b836ec5a
SHA5129ab823026a5bbe42f146bae6175a39e4fe5a01dbec37a6325bfa89929d5215bddda8aea6cc42579b429ac39fc5b4ac1e836545c9bf8336a99e000f99f8dba901
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84