Resubmissions
30-04-2024 10:29
240430-mjb7fshh74 1026-04-2024 02:29
240426-cytpyahd23 1026-04-2024 02:23
240426-cvm3zshc82 1025-04-2024 03:51
240425-eekn2aeg39 10Analysis
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max time kernel
104s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
30-04-2024 10:29
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 (606) 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: AddClipboardFormatListener 2 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 16 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\6A63.tmp"C:\ProgramData\6A63.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\6A63.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\{32F5B5A4-115C-42F9-BF00-47E1DC66CC00}.xps" 1335894658075600002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD555262c1fb99007c3e189500ac7059896
SHA1e9309e677dc5bf5d8d03d63a106161d2a8fc7a0d
SHA256942362e1b9fc6fcd86d5e0da22db1881b3be396b6ec1def809d8b552f07eda0c
SHA5128e57e94ec731a2ef04b586038dd42ab77d3b22573978aa0e1cb8a726e69ad9dce00a11fbd92cda386814353ff2bda94afb89a84a532d77ec1ca7e9ae15ec425f
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
13.1MB
MD5274fb44bd8afcc5875240b1163d5fbee
SHA1db9905c64613b09c8117a15ce61b14f63961634d
SHA256b4515fa1ffd2853fa82e4b53b22fa0f9128288777b0dde616c498adf21d51e19
SHA5124a2bc4502d78332f300b3a47121f7ee51b50a851c5acac30b61730408907b741805aa1e0458e4d968da91dffbdf1a1dc8e59da00ad5e4451b0b2020c159aee83
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Filesize
194KB
MD5b6dbc8e8b47f5227a6cd99e8e5c1ce7c
SHA159f6a5efcc5ed4ac84183d4eddb3c033b86d9db4
SHA25656bde961daf56a08a2ec5dbde3cf24158e15a99cbf8474e0dc016436580ed666
SHA512fb1f083023f128d5095f7ea74c58c0bead048a24f4566bdafdc4de136839c8de4bc756758d0d152b6033dab1aa23962e6574d0bcb896ffd0f3b6192ece846e77
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Filesize
4KB
MD52a13d363d068d897358b256795054386
SHA10f7482310b0dd554b494b3f2d0d9aa758134ac36
SHA256f6184e071e573bb83a1374bce096304886e03b92f786e74dbe5d1c26641eb8d2
SHA51247b6bcafb94ad2df75ce83cc49ba35e275168d6cd16645892814a407c33b9375f5dfaa3f1b099f8ba5f514f3d64d97be33908689ca475b2d1d927c60799a845e
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Filesize
4KB
MD5f8d490e9cb57d0594896a11f0320982d
SHA185df2070f1cd8666e568b3c004ca25bca5efc4aa
SHA25601d627a0ce1111e978cbc549a0090ee4dbf969a2e7ccfa16324ccc1752683313
SHA51240391ca7230b32191590b9a87b3f2e62c962db55ccd78560aed8688c835791f1e3307d503f54ac3d0c79a28da7a2754c17655a5bdcc46ae7248c564b00155b46
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
4KB
MD5da236c27737e6c1b256658e951e4543b
SHA177ce3920c911ffe1b7d7ed9f140d31f50e30d32e
SHA256783ac41ef49d82993615e3a2dcb4ededc19bd2fed35e78f9ee724d0b149442f4
SHA512d51bb1f991aaaafb2dd8517caa645021b167f411486a6fdcf0f8c684fb8c059f2acf3c23823172130ff9f0979b94e35e27ba358a6212f8e112c41cc1d019f545
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Filesize
129B
MD5dd3cdb52586c71dde31bad9b50fe13bc
SHA1f41bffe0eff1c1ba5593837efff6d19b874aa446
SHA256bd70a51c816d3b42a07c33665668af3a8692198ada96f592542c7095139128b9
SHA512bde251af9697c60f9a9833d0fbc0ca2fbb9f9d6da154358d93e14ca5b5bc6bc01e1dc5542848c48dd722576ad2d36368ced6c730885bd4ca8f2ce7f4536573de
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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
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
64KB