Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-12-2024 13:59
Behavioral task
behavioral1
Sample
935b07a6f2a00b8ca625ef04a73896951908d7be53a376a42f735834ce9e5051.doc
Resource
win7-20241010-en
General
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Target
935b07a6f2a00b8ca625ef04a73896951908d7be53a376a42f735834ce9e5051.doc
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Size
661KB
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MD5
db2fd34b9fc9655079166148b56a96c5
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SHA1
2016bf3c60df680e3ee919bdd028aac12a564ad8
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SHA256
935b07a6f2a00b8ca625ef04a73896951908d7be53a376a42f735834ce9e5051
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SHA512
e8c9d01a1bc437cb1d5cc1be1914debdc9f10fcd817eb955694942b8a785d1a6d86ca0795d6e5c89880a1113881ca857927ba0785c42a60c34c79a5f4df6f799
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SSDEEP
6144:O2odBqalWx9HKA2zvr4v6Bvr7x+LqRidIc5eiosO+E2mjyDxcBne3OOUj3uZgFty:EpKqTDr4sx+G3c5eH+LRDx4jeZn
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 2328 5092 explorer.exe 82 -
Trickbot family
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resource yara_rule behavioral2/memory/996-45-0x0000000002970000-0x00000000029A7000-memory.dmp templ_dll behavioral2/memory/996-50-0x00000000029B0000-0x00000000029E6000-memory.dmp templ_dll -
Loads dropped DLL 1 IoCs
pid Process 996 rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2444 996 WerFault.exe 91 -
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 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-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5092 WINWORD.EXE 5092 WINWORD.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5060 wermgr.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE 5092 WINWORD.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 5092 wrote to memory of 2328 5092 WINWORD.EXE 86 PID 5092 wrote to memory of 2328 5092 WINWORD.EXE 86 PID 2992 wrote to memory of 2748 2992 explorer.exe 89 PID 2992 wrote to memory of 2748 2992 explorer.exe 89 PID 2748 wrote to memory of 1320 2748 WScript.exe 90 PID 2748 wrote to memory of 1320 2748 WScript.exe 90 PID 1320 wrote to memory of 996 1320 rundll32.exe 91 PID 1320 wrote to memory of 996 1320 rundll32.exe 91 PID 1320 wrote to memory of 996 1320 rundll32.exe 91 PID 996 wrote to memory of 5060 996 rundll32.exe 94 PID 996 wrote to memory of 5060 996 rundll32.exe 94 PID 996 wrote to memory of 5060 996 rundll32.exe 94 PID 996 wrote to memory of 5060 996 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\935b07a6f2a00b8ca625ef04a73896951908d7be53a376a42f735834ce9e5051.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\explorer.exeexplorer.exe C:\Required\DOMDocument.vbs2⤵
- Process spawned unexpected child process
PID:2328
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Required\DOMDocument.vbs"2⤵
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\System32\rundll32.exerundll32 c:\Required\occurs\PFSDOFKGAM.dll,DllRegisterServer3⤵
- Suspicious use of WriteProcessMemory
PID:1320 -
C:\Windows\SysWOW64\rundll32.exerundll32 c:\Required\occurs\PFSDOFKGAM.dll,DllRegisterServer4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 6445⤵
- Program crash
PID:2444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 996 -ip 9961⤵PID:1400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
461KB
MD5260fb1215f12dc252f18fcd7f742e641
SHA1f7359f7384e1c0ea0d742904062d3d03bfbca65a
SHA256085c48a7dccd84eb72924d23124d54c22bc7d681fbcb9d2956c11f803e56f310
SHA5128a2021a43c95bda9ccaf0d47b839da7df4d0873f235cc5c81e3029eae1a4037c34242a1acc5b1f04b017ade2d69fca403f8aca40910f59a4fd24928c2581e67b
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Filesize
262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize2KB
MD56844f9ccc95bea78ff2ed8b4eaa4a3f0
SHA1f137f1936c2fe6db32cb1a515f14f411c12ca240
SHA2565bdfcdcab47c5fafd62aee8f98cf8772ca7175cf1b987affa55df675392a0dc9
SHA512e06a24083999a8ef341d068f95519fc7ac7c71c8f6c958df22a30dc16839a7744a752bf75bfc5bec7efaedaa380091d78aad1dbbc536bd0111d222e24d627695
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Filesize
308KB
MD59c7297f808358284407c2243f7087aa5
SHA15f355103c0eed80063232b534d7a0a55e66724be
SHA256f6de646af9af051954ae507227567377b2198ed50fd7cc90fe4ead0318d7c62a
SHA5123d8ab6f36e5408895ba1fcd403117a6d5bcd602a5e54358a8291c61fac4cc0651656cfe95dd3d59b9425f8f6380fab889e3de409cc251aa943d38b46a865e5d9