Analysis
- max time kernel
149s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20251223-en - resource tags
arch:x64arch:x86image:win11-20251223-enlocale:en-usos:windows11-21h2-x64system - submitted
21/12/2025, 10:15
Behavioral task
behavioral1
Sample
1.exe
Resource
win10v2004-20251223-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
1.exe
Resource
win11-20251223-en
9 signatures
150 seconds
General
- Target 1.exe
- Size 1.6MB
- Sample251221-malpjack7z
- SHA256 fb24953507949ebdec42728c7657a77a797279ed2a4672a339e0d25dd63a2620
- MD5 8025a54d7b7756a4ab7cd1bbe322829e
- SHA1 1af7745f9b8e101175c02e6a342d25df8b061e86
- SHA512 8dc1351d14117694edf28ab4ee5442ea61513e40ba368c5c2ea094b0015d2c43e747af16643e8e941e0a5fdb76d07db4cb60ced642d113fc9781fead9a29bf63
- SSDEEP 24576:LLILY8Xu/3y8UsG2BgYLicwnk4DCHdebUKyZURQ1TgjTn:8YrC8UsGuTw1DCHdeQKyZURQ1EjTn
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3965502069-2829967325-1213356339-1000\Software\Microsoft\Windows\CurrentVersion\Run\mls = "\"C:\\Users\\Admin\\AppData\\Roaming\\RAC\\mls.exe\" -s" 1.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe - 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\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3965502069-2829967325-1213356339-1000_Classes\Local Settings 1.exe - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2612 WINWORD.EXE 2612 WINWORD.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE 2612 WINWORD.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5700 wrote to memory of 2612 5700 1.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5700 -
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\1.docx" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2612
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1.docx
- Size 22KB
- SHA256 33effd99c0bba5f5d7aa13f8433ebad96022cec4afea3c7864151b41a527d1dd
- MD5 83f8983e022937d901081ea375f494bb
- SHA1 0d9139423e690c31fb5c73d81b944a4ac7411738
- SHA512 35e0016e4ef69788d73093c7145a256a053cf8db3c8d08e3024bce4b526b96987ddb5940e75fe6e70f826bad4cac9fb692a26a883820f2bad3ef9436309c8c09
- SSDEEP 384:dzqi9Pfj9YM0MwApIlgP8nHWItirgt6B093RWSr2C78JHDUAJPDqs+CIUlKOI:oi9PbtjpIqyWUirgt6B0BRBx8hjlDqsk
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\49417285.tmp
- Size 1.6MB
- SHA256 fb24953507949ebdec42728c7657a77a797279ed2a4672a339e0d25dd63a2620
- MD5 8025a54d7b7756a4ab7cd1bbe322829e
- SHA1 1af7745f9b8e101175c02e6a342d25df8b061e86
- SHA512 8dc1351d14117694edf28ab4ee5442ea61513e40ba368c5c2ea094b0015d2c43e747af16643e8e941e0a5fdb76d07db4cb60ced642d113fc9781fead9a29bf63
- SSDEEP 24576:LLILY8Xu/3y8UsG2BgYLicwnk4DCHdebUKyZURQ1TgjTn:8YrC8UsGuTw1DCHdeQKyZURQ1EjTn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\TCDA73B.tmp\iso690.xsl
- Size 263KB
- SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
- MD5 ff0e07eff1333cdf9fc2523d323dd654
- SHA1 77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
- SHA512 b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
- SSDEEP 6144:JwprAiaR95vtfb8pDbgWPzDCvCmvQursq7vImej/yQ4SS1apSiQhHDOruvoVeMUX:We
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
- Size 18KB
- SHA256 fbc91cfec384ad8304ee52a5232ec39d14b91255c353fc4db43f0757b8e12ac7
- MD5 46419db82f85287b525daa9fb9e95b63
- SHA1 9b27711be583e2ef95f71b8968793302c87f3565
- SHA512 d29e3bc2be81162bd6caba302a20489d443cb0d34d966797a0133e6ef680249a74bd80f7fd2976ba60810d6fd1d7850e5c39c0965b9b1329614acc0264d0f245
- SSDEEP 384:Jt+BNxt/ZtNNQDUFfRl5462oIFKBqfBR/fc1qE9r0MTB8ia:exllNyewkIwwfBRnc1qG0O8ia
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
- Size 16B
- SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
- MD5 d29962abc88624befc0135579ae485ec
- SHA1 e40a6458296ec6a2427bcb280572d023a9862b31
- SHA512 4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f
- MD5 SHA1 SHA512