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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2023, 03:31
Static task
static1
Behavioral task
behavioral1
Sample
2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe
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Size
462KB
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MD5
47d7ae58d722d8bb2e4da718a3cdfdcc
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SHA1
1e92db4f7820c208ae26932f745add30d05fe369
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SHA256
18cd658b3ad0003b523187cd5e6ae26ccd0b26768b84436274a1fd25bfe1386b
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SHA512
d3fe1a45ee21b5c6f059ebac2284658ba8a01990fab089836dcac77969efbc3d39751f758f2cb843cde3c911e52ebfd4e97a0bf7ed69ba8af12edc5b58c5dede
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SSDEEP
6144:zRPu8zwNAZYCZrIik3tHE0ahprsuwVBxm+/glm7zkykV6eb46GgBqysH5f:zJrIik3Pa7rqBD/glYkykYN6Bo9
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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation C813.tmp -
Executes dropped EXE 1 IoCs
pid Process 2380 C813.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\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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-1-5-21-1141987721-3945596982-3297311814-1000_Classes\Local Settings C813.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2328 WINWORD.EXE 2328 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2380 C813.tmp -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE 2328 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1168 wrote to memory of 2380 1168 2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe 82 PID 1168 wrote to memory of 2380 1168 2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe 82 PID 1168 wrote to memory of 2380 1168 2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe 82 PID 2380 wrote to memory of 2328 2380 C813.tmp 86 PID 2380 wrote to memory of 2328 2380 C813.tmp 86 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe"C:\Users\Admin\AppData\Local\Temp\2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Users\Admin\AppData\Local\Temp\C813.tmp"C:\Users\Admin\AppData\Local\Temp\C813.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.exe 9805F3FE7D50553D75BAE63C60B70FC36844047940A1B19ECB7951AED657F0C63C2F99175F815814FD7F4C8CAAAD13AB6AB82A3E0109E020273155E3EFC3230E2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2380 -
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\2023-08-25_47d7ae58d722d8bb2e4da718a3cdfdcc_mafia_JC.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2328
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD57079891932a64f097abafd233055a1e9
SHA1246d95feafe67689d49a5a4cadba18d3ac1914e5
SHA256c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1
SHA5126e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a
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Filesize
21KB
MD57079891932a64f097abafd233055a1e9
SHA1246d95feafe67689d49a5a4cadba18d3ac1914e5
SHA256c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1
SHA5126e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a
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Filesize
462KB
MD58d5240f2d0e63a71f6cdb54d02d62907
SHA16a9786647e3e9e337b9b4b8e749a2b5f6ffd15fe
SHA2568f4e57d8c7281fd6198e512cd94e8d5cf2b1238b134c11cc21fa9857d6b926d8
SHA5122762ee493b9d8a0df9e2aa140e50d823266392014c9cf47d5888c916aae6257c1756a326bdece468fac856f21355c32363bc159fe169d9dd3791ae25231e62b4
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Filesize
462KB
MD58d5240f2d0e63a71f6cdb54d02d62907
SHA16a9786647e3e9e337b9b4b8e749a2b5f6ffd15fe
SHA2568f4e57d8c7281fd6198e512cd94e8d5cf2b1238b134c11cc21fa9857d6b926d8
SHA5122762ee493b9d8a0df9e2aa140e50d823266392014c9cf47d5888c916aae6257c1756a326bdece468fac856f21355c32363bc159fe169d9dd3791ae25231e62b4