Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 15:07
Behavioral task
behavioral1
Sample
1208_37832604.doc
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
1208_37832604.doc
Resource
win10v2004-20250314-en
General
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Target
1208_37832604.doc
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Size
543KB
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MD5
14450c99698f1725a1933879d104c404
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SHA1
5fa27c4c455d168bf0efced37869b8f840d3dc4d
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SHA256
2fbff281b9d4d240ef5a800c08cf26d4d4944e73227860a7c4afeb3b11615238
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SHA512
b9b4d4b565a0a48978e88b4bd947ae35ec9172bddae2dfcb5e432ce17a4b4c353b4a2de177b317fdf51ef418c2f24b3a2b5a746390cac3b5e845383584ddbd3f
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SSDEEP
12288:auE0gXPByytkPiieVC2P3Bd1pJhw5EHkf13VbIkqC0J:au3gXPQ2kiie/3BJwskt3VbnqC
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 5016 3556 rundll32.exe 86 -
Blocklisted process makes network request 1 IoCs
flow pid Process 62 1232 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 1232 rundll32.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 61 api.ipify.org -
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 rundll32.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 -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{CB8B9707-CD1F-4672-BCC0-79F236FEAC82}\ya.wav:Zone.Identifier WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3556 WINWORD.EXE 3556 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1232 rundll32.exe 1232 rundll32.exe 1232 rundll32.exe 1232 rundll32.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE 3556 WINWORD.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3556 wrote to memory of 5056 3556 WINWORD.EXE 91 PID 3556 wrote to memory of 5056 3556 WINWORD.EXE 91 PID 3556 wrote to memory of 5016 3556 WINWORD.EXE 93 PID 3556 wrote to memory of 5016 3556 WINWORD.EXE 93 PID 5016 wrote to memory of 1232 5016 rundll32.exe 94 PID 5016 wrote to memory of 1232 5016 rundll32.exe 94 PID 5016 wrote to memory of 1232 5016 rundll32.exe 94
Processes
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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\1208_37832604.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5056
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,DllUnregisterServer2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,DllUnregisterServer3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1232
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
18KB
MD54a71767086f8834e33ece84b11fade00
SHA17d518510039104b6651827129eac90e1f3a56bff
SHA25647cd1e63cbd0bfb13c8209118a7a28f3e4bbece094b40e3c5a6ac350e3142836
SHA512173dea53a2458d93cf44f41072c8064a4d5e692f36e8a34aec35a43647e0f15583b9aba51b5f128e17ae30ba5713437ffcd36b7ee02992ce763852474585e423
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
369KB
MD5f8a02665a416f335a420e9033cdbb08f
SHA1817f8057f4a87614b6d2ed409bb752544c6c5bf2
SHA256ec1fda96044f67abf36e7d3ddbf9fdb06b9fba9c7d29761487221568746dd05b
SHA512894d714a356231ded8eaa029bad5836bc50665642ca2c110a04f9aa3548a854689d16dcaa222b764d943d9141e2c297c821df4dadcc5a70ac291616ec2a066f5
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize3KB
MD51d1e4f6f9d87fbd24863e2f6cb8d185a
SHA1f21f777a47e3aaace518182b2a17615f13af8d60
SHA2560f0526a56d107990325241f25ef07145b1b58021bd3b442143ff0b6e90b184a4
SHA512e78ad5d69cf94b1a53a02664983b84ce83d7cbec55046bd8ad8dd9b73b776fe6b4d9c97cb38669d28abab75cffe425cbd2a5a337ed33a8c536adb71b02521c43