Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
27-04-2024 01:14
General
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Target
Document.doc.scr
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Size
194KB
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MD5
50e5dec57451005668704281688ca55d
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SHA1
67dd4ac7eb8c193b39149b34d3a0d5bc21c3f200
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SHA256
062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
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SHA512
29ca4a44795c71d3e2b4e3417355ebb93765157d464d6d5a3fe6774056d934d57081c72001fb29e47982da11e5a5ccfdbcc958d05a11fb49bd8bf84e6d0c61ad
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SSDEEP
3072:66glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:66gDBGpvEByocWeubV4inP9B
Malware Config
Signatures
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Renames multiple (604) 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\975F.tmp"C:\ProgramData\975F.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\975F.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\{F3BB45B3-7094-47D9-A59F-DDB007D92016}.xps" 1335865407179000002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\$Recycle.Bin\S-1-5-21-3571316656-3665257725-2415531812-1000\DDDDDDDDDDDFilesize
129B
MD51b6c3b4562391a06fdc4fc5d5a48aba6
SHA1c9d51a140d40baa30c41656f1ea2cf87536c0728
SHA256de7612f79bc8304b2b6b2bc58f00a7789bdacea25576b5b71bd27b94884d04b7
SHA51227d1e156f71d24e132c714ba89517b1721604eb7380b955f50752e07d5efbb71e51bea4577e95425fe9523d04fe81e737b97b5521e1f4f71a6d1ead6770a49b3
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C:\ProgramData\975F.tmpFilesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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C:\Qs2QSInbk.README.txtFilesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDFilesize
194KB
MD58d4c1b34ae46891713dfe72ff2aeef7e
SHA18f089cc0bf538fcbe8d819e22162c597ea522c70
SHA25610487e71fb4d8d27ce5c3cbe76f28430484074309877d586d54fc02d81733223
SHA512c4edcd94339159964b01d4063ca9d4801070fb77b8ba8a744a4cb85274534200b1e19b20afed4a6fc897a491fc33ce13b3fab2298fc1d46b5e8231611cf0fb83
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C:\Users\Admin\AppData\Local\Temp\{57DD326A-C223-4248-A2FE-566ACF629929}Filesize
4KB
MD5172f439d497b85d831033ab3e369cff1
SHA1436690eeab23de9878b73443ca1077d772198674
SHA256ffcca2d943b8f957977d72d504fe05aed9bf0cfcb91c07a11cfe7f28bfdaa803
SHA512bfc501b88832ed4e18ed373baa8829fdb32de36a9421ba18c0b3178fc773e3af5b85e9fc9b32488e6e61dd9ce9c2481a1865350a0ff67649436b596a00edf59c
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C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2Filesize
4KB
MD5340c1383cd72c7d4f9c6fd554a8e2960
SHA1ddc376e0f9731741d8863def49424a587653e19c
SHA256071cbf9ad26d393ca7db83c8d00778d60012e8a7d140113222348648dfaa9a53
SHA5128cd4bdbc0420899286611b929e0e5e48128ebb58ad78ef44db112bb4faaf0138ad423b50daa74f1564054d535f3667c02238bbb6598a14dc164452ea09f717bc
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F:\$RECYCLE.BIN\S-1-5-21-3571316656-3665257725-2415531812-1000\DDDDDDDDDDDFilesize
129B
MD598b69f777db70c4bd51513ab8c89bae3
SHA10d02a2d2f4950d4fe253cfd806315dbd5e5dcab5
SHA2564ccf9adb5dec3a341eb543cb3ca82398f0d36a29aa9a8a2ce0efa0b29ca01e24
SHA51247d2ec446cfa995298a856781a9ff63af2fc0ef1e70d196f6cda0711170621f4cde776af5446b35daa55af7568bdf17e0c396295d86f60b676f992938667423f
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memory/4020-2748-0x00007FFBA1150000-0x00007FFBA1160000-memory.dmpFilesize
64KB
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memory/4020-2749-0x00007FFBA1150000-0x00007FFBA1160000-memory.dmpFilesize
64KB
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memory/4020-2747-0x00007FFBA1150000-0x00007FFBA1160000-memory.dmpFilesize
64KB
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memory/4020-2750-0x00007FFBA1150000-0x00007FFBA1160000-memory.dmpFilesize
64KB
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memory/4020-2746-0x00007FFBA1150000-0x00007FFBA1160000-memory.dmpFilesize
64KB
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memory/4020-2783-0x00007FFB9E9E0000-0x00007FFB9E9F0000-memory.dmpFilesize
64KB
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memory/4020-2784-0x00007FFB9E9E0000-0x00007FFB9E9F0000-memory.dmpFilesize
64KB
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memory/4472-1-0x0000000002870000-0x0000000002880000-memory.dmpFilesize
64KB
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memory/4472-0-0x0000000002870000-0x0000000002880000-memory.dmpFilesize
64KB
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memory/4472-2-0x0000000002870000-0x0000000002880000-memory.dmpFilesize
64KB