Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13-02-2024 22:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe
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Size
467KB
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MD5
42559bca2fd9692f0dc8396c45b23d3d
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SHA1
99ede609f27cb1eb97550856f2d06f604b9d2509
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SHA256
49e355266ad51edcfd9c1e85b0e677e715edf7d11df393515d336da03c31a35d
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SHA512
bdaab6b62403abe5bc334b4393ee5cded5e6039e21db0c8819754e6fb08926aae1750ebc85e74d757546718397562ce61263741ccb2b8d397f75d1efcc30de1b
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SSDEEP
6144:jFrJxvldL4c5ONK1xgWbd1s79+iSt+AZgPKapLpFDfaDAzCSitVcML7PFhvctpUU:Bb4bZudi79LmZgPXpvg0C9tOm7NIAk
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 703E.tmp -
Executes dropped EXE 1 IoCs
pid Process 868 703E.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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 703E.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 100 WINWORD.EXE 100 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 868 703E.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 100 WINWORD.EXE 100 WINWORD.EXE 100 WINWORD.EXE 100 WINWORD.EXE 100 WINWORD.EXE 100 WINWORD.EXE 100 WINWORD.EXE 100 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1472 wrote to memory of 868 1472 2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe 83 PID 1472 wrote to memory of 868 1472 2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe 83 PID 1472 wrote to memory of 868 1472 2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe 83 PID 868 wrote to memory of 100 868 703E.tmp 84 PID 868 wrote to memory of 100 868 703E.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\703E.tmp"C:\Users\Admin\AppData\Local\Temp\703E.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.exe 161A2FC1B0FD79CE47EAEFA1B139CE83B8940863826A6F05FE0ABD1051D41A2F03E50740180E3B5533A9478D98B13306F166AA0E6E5F23729557DDAC946383AA2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:868 -
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\2024-02-13_42559bca2fd9692f0dc8396c45b23d3d_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:100
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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
MD536f2c64c6f833c4ec8d6da404e29cfef
SHA10c984cbc7734fb5b4fc6664f0de32ae0ac652537
SHA256d0665d983e0aa08e0bc5001be3cf2af1b73ee03ec13b6586fd7da2e32b286b05
SHA51279af06668f70e05c71dde9d7f4d822136ad935bb414d781b29e7ca7babc82210f2677011f8516c3cd8d77fce9c50308a8b97696f7f3aa7a81f6be641e9393bdb
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84