Analysis
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max time kernel
146s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
25-04-2024 06:36
General
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Target
Document.doc.scr
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Size
194KB
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MD5
b7b4c97132d03eead1fa9a9352dee6c2
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SHA1
c9eb1bdc528076fa9c91668addf0723294ac1575
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SHA256
1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2
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SHA512
cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903
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SSDEEP
3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3
Malware Config
Signatures
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Renames multiple (610) 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\6775.tmp"C:\ProgramData\6775.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\6775.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\{B25EEBB4-86E1-4458-829A-4726F5601C22}.xps" 1335850059713700002⤵
- 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-1-5-21-1132431369-515282257-1998160155-1000\desktop.iniFilesize
129B
MD564672649c86a19495b82f21796477f6a
SHA14d96fb867a8ce30aeddeee20a5e829432770186d
SHA2564f773b76e504344241a7ef56e5fa36acc490b67b209dda0b32fed7a475ff0fde
SHA512941a0b5b805560daec1722872582b8b7f6f20c09165bcce3502215b47e5d3a0ee2b6c65c7b6c327c883009d1b1e53ebd8f422a08488c70d73845eeb9a9aa47d2
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C:\ProgramData\6775.tmpFilesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDFilesize
194KB
MD5e3042a59dbdf1e18e1217173f93ac25a
SHA1dbfd0a907601dee0b34b4e0d0219a4bc59547bda
SHA2565e53adc1c894b2bd3b4d7a0f6bf3924b13aaa6c3a4326b01f3cf16e5f0e3e937
SHA51206026dc65e6c7c5bdc3ea5607a0c35f1360fbce9aa7aea9862eddd6c531d2d08fe6cdd8aabf057908a01330180c0b146f301e43ca96e23dc4c4fc4e8abafd649
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C:\Users\Admin\AppData\Local\Temp\{026F6FB3-3F13-4011-B790-0BA45726AE51}Filesize
4KB
MD525ca16823ffc13b0ee384bc960d8e472
SHA11b6ed010b458730819079879fa33befe46c3a58f
SHA256d24a98d5d36d031b729d07177f927c3e62eeffd22ccad1ae3e40065a368400c5
SHA512c146d2c3f59280ae776be20dc862806a9f9817e858d3e917c285711164e437faf68d3be1da9369c76aa5a0f67efb130447a13155e224abe48456b5d2a3696168
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C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2Filesize
4KB
MD5ee564b1142bb23e7a312204bc33d62b7
SHA104531c371229198ee9447bc805d6e76a56472084
SHA256afc02da04e23a3535cabfd0ef519e744e3e49b1bb7f4a1774a8ca9cd21084614
SHA5124fcebf8da3f8dd58518543cb42f4d683c9207d15939cd6302ecca5c6e88e813c7e9e4c875c6cef73625ac9cbdeb7e6000a5fba170f00dc0a3b2879d3c0d9dd73
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C:\te8ZzuVLn.README.txtFilesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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F:\$RECYCLE.BIN\S-1-5-21-1132431369-515282257-1998160155-1000\DDDDDDDDDDDFilesize
129B
MD56523ca70962fcef3fa2a654847de3d75
SHA1d842d5af1d88075d127e11a5893937e57ecf1883
SHA2566a164699420be2f65e4844569ded1d64224c7af77ef2e995a43b49be91676b80
SHA5127799d6a0734e015743ab9edb15d3f4296c341fbe8589a175cbb03475bb792b38a7bfb0aa9b76f90d47243b7a3b80693b95c1956b2d5dc14289a50e687f9afcca
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memory/1524-1-0x0000000002CC0000-0x0000000002CD0000-memory.dmpFilesize
64KB
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memory/1524-0-0x0000000002CC0000-0x0000000002CD0000-memory.dmpFilesize
64KB
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memory/2036-2793-0x000000007FDE0000-0x000000007FDE1000-memory.dmpFilesize
4KB
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memory/2036-2804-0x000000007FDC0000-0x000000007FDC1000-memory.dmpFilesize
4KB
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memory/2036-2798-0x000000007FE40000-0x000000007FE41000-memory.dmpFilesize
4KB
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memory/2036-2794-0x000000007FE00000-0x000000007FE01000-memory.dmpFilesize
4KB
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memory/2036-2800-0x0000000002460000-0x0000000002470000-memory.dmpFilesize
64KB
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memory/2036-2801-0x0000000002460000-0x0000000002470000-memory.dmpFilesize
64KB
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memory/2036-2803-0x000000007FE20000-0x000000007FE21000-memory.dmpFilesize
4KB
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memory/2980-2805-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2814-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2802-0x00007FF8D4FD0000-0x00007FF8D4FE0000-memory.dmpFilesize
64KB
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memory/2980-2799-0x00007FF8D4FD0000-0x00007FF8D4FE0000-memory.dmpFilesize
64KB
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memory/2980-2797-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2806-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2807-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2809-0x00007FF8D29C0000-0x00007FF8D29D0000-memory.dmpFilesize
64KB
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memory/2980-2808-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2811-0x00007FF8D29C0000-0x00007FF8D29D0000-memory.dmpFilesize
64KB
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memory/2980-2812-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2813-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2810-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2796-0x00007FF8D4FD0000-0x00007FF8D4FE0000-memory.dmpFilesize
64KB
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memory/2980-2815-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2816-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2817-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2818-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2820-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2819-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2821-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2823-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2795-0x00007FF8D4FD0000-0x00007FF8D4FE0000-memory.dmpFilesize
64KB
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memory/2980-2764-0x00007FF8D4FD0000-0x00007FF8D4FE0000-memory.dmpFilesize
64KB
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memory/2980-2847-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB
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memory/2980-2848-0x00007FF914F50000-0x00007FF915145000-memory.dmpFilesize
2.0MB