Analysis
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max time kernel
128s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
18-04-2024 10:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe
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Size
467KB
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MD5
b13e7c9ca09e14ad325a196a1390c761
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SHA1
691b8ae58b58b4e0831b3663aeb8f6f01fc67d86
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SHA256
ed7485305c3063cf7c194516e88ad2217cef714f01bb79410a30684bf606c021
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SHA512
f8a02a1e05026470efa1f42dce13675808605daaec9c3426e73da3ee0681b06d3d3338178f6df2ae564fcf53e4ddf1a642526b6438494594af7b8121d98c7874
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SSDEEP
12288:Bb4bZudi79LWJQer7E80lyRmGaIFdZrdOPAk:Bb4bcdkLWJzE80lxGaMZrd+
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-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation 9F5D.tmp -
Executes dropped EXE 1 IoCs
pid Process 3656 9F5D.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-1-5-21-776854024-226333264-2052258302-1000_Classes\Local Settings 9F5D.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 636 WINWORD.EXE 636 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3656 9F5D.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 636 WINWORD.EXE 636 WINWORD.EXE 636 WINWORD.EXE 636 WINWORD.EXE 636 WINWORD.EXE 636 WINWORD.EXE 636 WINWORD.EXE 636 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4880 wrote to memory of 3656 4880 2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe 82 PID 4880 wrote to memory of 3656 4880 2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe 82 PID 4880 wrote to memory of 3656 4880 2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe 82 PID 3656 wrote to memory of 636 3656 9F5D.tmp 86 PID 3656 wrote to memory of 636 3656 9F5D.tmp 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Users\Admin\AppData\Local\Temp\9F5D.tmp"C:\Users\Admin\AppData\Local\Temp\9F5D.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.exe F52FC0B23E7B0A6C050888B973B80EF1978810608F164A0F2880AB46785C3C7D740724E102BFB59E60070F24F5E8FA7D67085CF5EFDF4574F15CC5954B24F0282⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3656 -
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\2024-04-18_b13e7c9ca09e14ad325a196a1390c761_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:636
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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
MD5245b48373f92c1f63a6d6bad6c5f277d
SHA152359d37a373ffbb8df48547c8d3b28fb3af1fad
SHA256473106c362cd495520e9202b10541bfb172529a053c20a13937a00493ecc098a
SHA512265a2fd4c1282e5c1c819678025213004b51e0e7084aa84f469bf0e7bc3309ac7851f7c98546dc6f717a82af6a834bf9001a1770d9d8f145cdae9820b27d88c3
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Filesize
245KB
MD5f883b260a8d67082ea895c14bf56dd56
SHA17954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84