Analysis
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max time kernel
147s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
26-04-2024 06:20
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 (616) 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\8EE3.tmp"C:\ProgramData\8EE3.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\8EE3.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\{2A9A7659-3C42-48C6-9F2F-81C826C148BA}.xps" 1335858603189800002⤵
- 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
MD5a1c7a6dc04572524bc03f2665ffbf7f6
SHA1bdc306ee397c2265c3dfb12aeda944f9530e7052
SHA2568d8b3eeca1ce6e4d244c4e67ba9ffe9054e828cdb045ca4312176262c9b8d92f
SHA51291dfb23b5d4ac84ea92c9adb9dbc5de0ce6fff1c0dd53a8d577873917c49994f33af56b4dd9937ccef3f20811e984e5a624a8c7d9157947e0765930dc0e40e00
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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
MD50160cfb6497ca2b916cc5684f7d4fa42
SHA1193e3f6b97270cedd6a1d5c55ea37a5149346297
SHA256234a8ebb715b34df77393eb6f02aff895c59e9293f4068079c1d6371720463c1
SHA512bdabcf5fcd8d1c79f77c303f4c74c6c5b8b89e3c3bf9967ea8e643fd93f03f1c9e7fddf4b5a6d1c1355cf156a6362cbd71965feb0ac76e392b6d84ce7df760f2
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Filesize
4KB
MD5b831645bff1c81c3a62fa9849d500dd4
SHA158f23b6fa8659088eed019247b17d86564a5c673
SHA256c3a23e86adbe0501f362a5e806f1f1b28233f47d34d7f762eacc694e2ef692a5
SHA512f2a10a103519bbde9403bd7f68bc69de2e7a170a8e065f3dd2eb5d99476532780b726175e308b42e2cb7979376468de895eb6695d55d008776a7bf44ced6af18
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Filesize
129B
MD5a847fadfe9c31987217f3d0e5c5afabc
SHA1889e246f7c5e320c968cd7ef7396d57b39934eb5
SHA2562b32c990d08c1b334b124c4b000da7339d0c40a47996a83c8b86dc13565346bd
SHA51246cf5f0a33ca2798ad67bcfd2e979c6b9ca294a877acdce174180111d92309b5d6e3278e7a043da7a0249c9ed4a927d92e42de0f54ef1064e9880e89f265901b
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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
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
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
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
64KB