Analysis
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max time kernel
148s -
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
07/01/2024, 11:50
Static task
static1
Behavioral task
behavioral1
Sample
48e6f6fd4b117d5546a10bddc9684504.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
48e6f6fd4b117d5546a10bddc9684504.exe
Resource
win10v2004-20231215-en
General
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Target
48e6f6fd4b117d5546a10bddc9684504.exe
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Size
2.0MB
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MD5
48e6f6fd4b117d5546a10bddc9684504
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SHA1
5b4c5d076922dc55ace28f21ecb71dcd816b512a
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SHA256
c4c537c6db25af8f3469e764a6d3cc0e522c41dd6456f2fbaeb87cf69a2f8071
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SHA512
db0dd3fe56feffcc7185e0a5ed1d5094351c251a25166e3cbbf69d57f1d775e0cee1e1d4572e3fa019489a1523d442ee5f7e35852a3e147bdf267f876d762628
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SSDEEP
49152:OFUcx88PWPOpX0SFuXkJyrC0TxX96B5s6+m0BfQ8bAAlHmRyGc:O+K88uPCHgUuTxt62tQ88AluyGc
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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 4D93.tmp -
Executes dropped EXE 1 IoCs
pid Process 1032 4D93.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-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings 4D93.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4856 WINWORD.EXE 4856 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1032 4D93.tmp -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE 4856 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3076 wrote to memory of 1032 3076 48e6f6fd4b117d5546a10bddc9684504.exe 22 PID 3076 wrote to memory of 1032 3076 48e6f6fd4b117d5546a10bddc9684504.exe 22 PID 3076 wrote to memory of 1032 3076 48e6f6fd4b117d5546a10bddc9684504.exe 22 PID 1032 wrote to memory of 4856 1032 4D93.tmp 72 PID 1032 wrote to memory of 4856 1032 4D93.tmp 72 -
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\48e6f6fd4b117d5546a10bddc9684504.exe"C:\Users\Admin\AppData\Local\Temp\48e6f6fd4b117d5546a10bddc9684504.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Users\Admin\AppData\Local\Temp\4D93.tmp"C:\Users\Admin\AppData\Local\Temp\4D93.tmp" --splashC:\Users\Admin\AppData\Local\Temp\48e6f6fd4b117d5546a10bddc9684504.exe 1B76498843C6A7B66F9AB3D207C3A4093DAB99AFC39884F7EEDAC68B378842436AC5A84689AFAA065805FEBD40873C3D53D518D3665D60A8FD148A288F64713A2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1032 -
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\48e6f6fd4b117d5546a10bddc9684504.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4856
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