Analysis
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max time kernel
148s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
27-04-2024 01:37
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 (629) 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\6B3E.tmp"C:\ProgramData\6B3E.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\6B3E.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\{29AB9483-7A9C-4752-A8EF-278DCFF1D6C6}.xps" 1335865547956100002⤵
- 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
MD507ee86a7090e38d0326f6d0bedee5880
SHA1f8cc2b30e821db4c0d9967014be701ce3120b41a
SHA256037ad44ba34330fdb56f726c029d3915dcd30ac5c17dc041c9b4f32631d33879
SHA512511a96995cfd0c0dc00b35e86c0d280b62d81d173f0a92e733335c1d87a7b7509813752eac01b2a9805112c9eb6ba2423fa4f0c36abbd809e189391bc9f36fd1
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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
MD54e0000773ba2b8c7ff2204bffcd1da0a
SHA12542f8c7b867fb1fc422bc1bc0ad9d357020d0eb
SHA256d3bc801e2096010e40fa4b813876a0a7179fa1a33b612405fbd75eeb2d9ed509
SHA5128c6e5086e1096f3c9f0b40d53f5af01018829d05371db8eb0037a05e2cdaec41a202d35e546103494fc211afa578d8211dd2fabef36db31060ed31cae4de6282
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Filesize
4KB
MD5b8a35d7d39395399c15a63eb0e3387b3
SHA1a6c70bf157110f3c613a27950732a9a51f3d7571
SHA256cbb9fc7dce153e152f9a8e772c35e8fbaae39af6afad4cd8589bed35121fc073
SHA512fdd14a5c209972a02a6b432a6626303bda74c7faf8793950dbe83f5320015d0eab28c6009ff936b2a4ecedb893a4b5840e01c5e5ecdeb3094823f340622c0113
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Filesize
4KB
MD5de2ea806f30079ad7d65eb7d3889bcba
SHA18fc51a467a336c3d9fcfeba277397828fc9b91c4
SHA25642a4c306fbbb60facd9735091b54ae784fc5f5449fbf134273e845c40d0f52b9
SHA51233437941f162bf480648c3015e6f8b5f98186e868110d49df6adea28448b15ab21a8691bfbcaa8664a234daf2de3775a97518f3f6676a9199a610564c65ce5a1
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Filesize
129B
MD51454105de6edf1b0eadc875102f704b2
SHA158abaa26cf9a605b85d362ae87b902b102bddeb0
SHA256802960b9499e1f227dd99d9ee453c20efe34cb8dd4d2837572ceb3d1060348e5
SHA5128e6aef78ae6ce90eeb7a4ec06f9aa39156e8767e9356d6c118295b9e997ee45abd0efbd77f148810873acb756b32d7e442de4bee50bc8c8c15316203cec561c4
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB