Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
26-04-2024 06:23
General
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Target
Document.doc.scr
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Size
194KB
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MD5
6fd558cf3add096970e15d1e62ca1957
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SHA1
78e95fabcfe8ef7bb6419f8456deccc3d5fa4c23
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SHA256
41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898
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SHA512
fac7efe9b76f9b6a917f8751f5be64ad8e067e5404fe05f3e9d7781ea3661a06c0baaac676a6023eb4a0b7f01bc2bb2d64d572f85aec8ad8de35cc7f106e1fdc
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SSDEEP
3072:n6glyuxE4GsUPnliByocWepMhJL4BFkTGX:n6gDBGpvEByocWeyhJL4UK
Malware Config
Signatures
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Renames multiple (611) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
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Drops file in System32 directory 4 IoCs
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
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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.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 13 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Document.doc.scr"C:\Users\Admin\AppData\Local\Temp\Document.doc.scr" /S1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
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C:\ProgramData\6811.tmp"C:\ProgramData\6811.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\6811.tmp >> NUL3⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{6D712470-6420-4DC9-BC82-2BD4F77E6DD2}.xps" 1335858622720100002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5fc25b31d47d507fe9679f20d18db22da
SHA170e62b0db868748bde00064c07fbac936750bbcb
SHA256d0b0fa1117d337e90f995f11b3c563d96b5761124f1b87f2023fdd4c294a1457
SHA512731664b2cda919a1188fecd03ee4fdd710f3bb4151795d00cdd81982d1b69c4be688b88ec7f73e107e9a8b7ee1a3a930e86805de8e34f713e81e336e34b0e016
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Filesize
434B
MD5b4709a56b9d7f431da172316cda720be
SHA1d2132f7129a7003ec4c0392f0f08cd24ea353da6
SHA256192d1e6078570865531e8a4c9840a483c4a2ac35fe468107284991f6da813191
SHA512e390d51e95db5e56c666a2895dc87dab41d97e7ce3c0df1f2466abf14a651167232521ab5f52746d16bab0ef14e6c0ee9dcfe29894604d695b0d064909378227
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
194KB
MD5f3c813df8446129ad25669222a9debdd
SHA12e5300263e44e57dd832e4b12742b9038c70dab4
SHA25676f4ab21b3e4497006e08de3a7b28bb173b19d25af42de610ec36e2397681bbf
SHA512f0d4e89827abd4de8ead9d30f175135b212f4eaa49be05dcc589c73075090ec377d57c5aee64f37ec75821522cd9299a30722b76cfe1323fc6673952ed5bdc5c
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Filesize
4KB
MD5675597fd1406f9501712027477646fe1
SHA15549e158853535b0bff4bc0e6409938c86b28954
SHA256329b53e7222ef6ed3a08c096486f6a3f8b2bfe1eec2495ba76060dc53e20c05f
SHA512a6d6a7cfdde36d47fcca84d2d87ad09086e1ae633fb668f19a2ec14202d0aa6109d7102e99d0166b39137cc25a43d9547f8be5c2c4d104fb381eff497baa1552
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Filesize
4KB
MD51867fb460a2dc363a649f23a149dbf0f
SHA11f6370ce06adc87b307e17d3399f6032adf66593
SHA2569fe25d4866a78f3dbde919f44cd1fe5ad8bb50089549861bdc8b58efcf229f44
SHA51263ec696a455be48aa541c197bede80b19f9e96920f60afc8f6ec0a9ad2100789f4c1b2ed3482720c2ac271ac9a4ad6b9e4d5623771f2533cea987575f8d75a47
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Filesize
129B
MD5b8ee214d2a43c4720982d0cbdf3649ec
SHA198cf0e297d2a2f511b3234df203bbf598317a9db
SHA2565c0deff9df565c50e22937191981ba83706fc853ab7cc5fd540cf9bd555ff8d8
SHA5122088f9f49ccc039b575197177c29a2cae7f72a7f7d538551e5993eb1ba5bd84bdf2a726ed78abb8c0cf4ff4fb2ccef69657045338c9b8624245ffd53eabef8eb
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB