Analysis
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max time kernel
146s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
25-04-2024 11:24
General
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Target
f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4.exe
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Size
194KB
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MD5
407ea767aa26ae13f9ff20d0999c8dda
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SHA1
07e615132ef78e827047ffc4cc6c9d44f5a976fd
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SHA256
f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4
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SHA512
6c14d07b497af375f2f4db4da321ed7e5fb60a6f26281bcdbfc513eb1033d98442ff83ee58849a721bd7e14a0b7094b98397923c35bd4b6ae91c179784de6b02
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SSDEEP
3072:L6glyuxE4GsUPnliByocWepVeKna4iJ0Cv+LmaGqsqRxB:L6gDBGpvEByocWePk4iJ0C2LYcx
Malware Config
Signatures
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Renames multiple (594) 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\f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4.exe"C:\Users\Admin\AppData\Local\Temp\f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4.exe"1⤵
- 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\61E7.tmp"C:\ProgramData\61E7.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\61E7.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\{E043902B-4EF6-4BF9-B265-6E6AAED2F78B}.xps" 1335851791932900002⤵
- 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-1-5-21-355664440-2199602304-1223909400-1000\NNNNNNNNNNNFilesize
129B
MD5045b2f396e080047d496d44c06f47c04
SHA13227c28a7d746b72c68134df1eb5e2a35723278f
SHA256aeeac60d031577a62c39afa1fa66a0a1bec11eadf27e656b9f257afd0f05d8c6
SHA5125ee9f769133077c8ae30ac1f9b96cff4899b28f313f154c3400ee13ed6fc36ae1ba3d9f2eee99e6f63c2ac5dcd45b82900ee564d5dca5c86f706900ec8952c4d
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C:\ProgramData\61E7.tmpFilesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDFilesize
194KB
MD5f4f8f67082a1da1944ccb8848a9b3464
SHA152db481202c8d6bd4f177d48f93b195d55362fa0
SHA256ea25e396f58b2ec3ed0a0b46e0bc1ed0a6fcfe3af5ed10c6de530168571d40f9
SHA512ca7d5fc40678c89883c8c0ea2ac9d428e8195204c84d0befd4d9fb31ca1c3b0cea7dd245bb263c70327af34e583876182aae067fa2cc5db1fd6189586b875642
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C:\Users\Admin\AppData\Local\Temp\{C5113582-B544-4E59-9A7A-413B6215FFB4}Filesize
4KB
MD5c3004bdca85228cf94ca64820702c024
SHA191167f06712dfb0da53b4eda215def2006cec93a
SHA25633467b89ad6f99eb6aa3bac4e855725a6f50298ff6b5689cc596b8ac08c646e9
SHA512ca92854dffc6b9eab8a53903e8f41b6be8d928a77983ce2072f50099b26dc4681f1a7aaf3edd4c483c778ebd25c8f510484684af7de455d1a1a1d2fdd2b195eb
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C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2Filesize
4KB
MD5773d5a5cf6c62a22cc7d0d0c0521671c
SHA18b972f0c1c13799fd3e950572c38fc8ff9d0bddb
SHA25693779d1c955f3f795074a934140920bf7e6f6e90447884f81bcc0ccbb3007f91
SHA5128e34b623c8a6f92da7825a8948ec99baacfe4a5c4abc03b1f6d0de7f4ee8a3a8525db00ea75281f251cde4617dd94089bb8a8a6b25485bdda370375e8f27cc52
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C:\jC7CNxlVt.README.txtFilesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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F:\$RECYCLE.BIN\S-1-5-21-355664440-2199602304-1223909400-1000\EEEEEEEEEEEFilesize
129B
MD579fed1247a3525ba87e88516ce5ee12f
SHA1633edaf421de307b37082017ac59df758c115a33
SHA256a80ad1b622e58ec0e2f0b77a93e931a3c8a0590d3f681eb9946518c40bf44f76
SHA512cd7b40f7340719fbcbde52599a964d5ff2085cac0114146ba152c1e8e373c2bc564f8a3f539631cecdcfee6e36e3824909a90377912929b493f87ab6bf3ce3c0
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memory/3968-2803-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2808-0x00007FFCD5450000-0x00007FFCD5460000-memory.dmpFilesize
64KB
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memory/3968-2765-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2800-0x00007FFCD7DB0000-0x00007FFCD7DC0000-memory.dmpFilesize
64KB
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memory/3968-2801-0x00007FFCD7DB0000-0x00007FFCD7DC0000-memory.dmpFilesize
64KB
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memory/3968-2771-0x00007FFCD7DB0000-0x00007FFCD7DC0000-memory.dmpFilesize
64KB
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memory/3968-2767-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2766-0x00007FFCD7DB0000-0x00007FFCD7DC0000-memory.dmpFilesize
64KB
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memory/3968-2802-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2843-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2805-0x00007FFCD5450000-0x00007FFCD5460000-memory.dmpFilesize
64KB
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memory/3968-2804-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2806-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2770-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2807-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2809-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2810-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2811-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2812-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2813-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2814-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2815-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2816-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2817-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/3968-2762-0x00007FFCD7DB0000-0x00007FFCD7DC0000-memory.dmpFilesize
64KB
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memory/3968-2842-0x00007FFD17D30000-0x00007FFD17F25000-memory.dmpFilesize
2.0MB
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memory/4768-0-0x0000000002BC0000-0x0000000002BD0000-memory.dmpFilesize
64KB
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memory/4768-1-0x0000000002BC0000-0x0000000002BD0000-memory.dmpFilesize
64KB