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Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
05/04/2024, 23:36
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe
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Size
465KB
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MD5
be920cafd56b943f15805d7a07f6e5f8
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SHA1
a9e0dedab96948a44a0333a124afa55b98de20df
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SHA256
b69c9c67186e3eebba363320181d5c09bb4448fc853431ac75c3ed4565cb6386
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SHA512
022c01144405ca182a098e2c8257972020501f67125f7699f5d867d4c3167664ac240cd5dddd535aaade56a100947b9d36bbd46915e159dc681d58b0d8468601
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SSDEEP
12288:Bb4bZudi79Lh7+iZAhbXb8iZPNKrYWNdWA:Bb4bcdkLh7GxXL1KfNd
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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation 65CE.tmp -
Executes dropped EXE 1 IoCs
pid Process 3056 65CE.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-1-5-21-817259280-2658881748-983986378-1000_Classes\Local Settings 65CE.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5028 WINWORD.EXE 5028 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3056 65CE.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 5028 WINWORD.EXE 5028 WINWORD.EXE 5028 WINWORD.EXE 5028 WINWORD.EXE 5028 WINWORD.EXE 5028 WINWORD.EXE 5028 WINWORD.EXE 5028 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5052 wrote to memory of 3056 5052 2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe 94 PID 5052 wrote to memory of 3056 5052 2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe 94 PID 5052 wrote to memory of 3056 5052 2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe 94 PID 3056 wrote to memory of 5028 3056 65CE.tmp 99 PID 3056 wrote to memory of 5028 3056 65CE.tmp 99
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Users\Admin\AppData\Local\Temp\65CE.tmp"C:\Users\Admin\AppData\Local\Temp\65CE.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.exe 68D496F0111DC0B17D843ABE5E86838011250F932FEC452CAA8523FDEBB11150927F6C6E780E0EFED465BEA588890754168D9CC593758128362552651995B95F2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3056 -
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\2024-04-05_be920cafd56b943f15805d7a07f6e5f8_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5028
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=2536,i,8161505972217706694,705854963991409854,262144 --variations-seed-version /prefetch:81⤵PID:5804
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
465KB
MD54b03f45797f8fdfe7328fc88df47bb96
SHA114fec610dba635bd3cf8d2760bd56295d9dde989
SHA2564762b82c75d4e85fbe30b7204924a82473532433e1ac1f85a59a3f635505a4ac
SHA5124e307abb25733163cc68ba40fbf723f7ab72a8b3ade2b9d9bff37a8aa4fb2ea36d2ba771bb9252da4e22c7c79f97fb779fcdb494fb1cbd97f0531dfda17250fb
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84