Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25-04-2024 14:59
General
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Target
2024-04-25_b7b4c97132d03eead1fa9a9352dee6c2_darkside.exe
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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 (356) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 14 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 WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-25_b7b4c97132d03eead1fa9a9352dee6c2_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-25_b7b4c97132d03eead1fa9a9352dee6c2_darkside.exe"1⤵
- Loads dropped DLL
- 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:\ProgramData\3A04.tmp"C:\ProgramData\3A04.tmp"2⤵
- 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\3A04.tmp >> NUL3⤵
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\$Recycle.Bin\S-1-5-21-3452737119-3959686427-228443150-1000\DDDDDDDDDDDFilesize
129B
MD51a32be3bd51a97f8dda04a500ebdaa5a
SHA1b8fe3ab6f16a0b900917c36257b6603c7ba5aefa
SHA256c87399bd18a4740bbde672da48def1ad821450c545b3e04d79aed87f7f9486ed
SHA51292911dbbf9d88c62936caaa0b3e1ef2d409f994d6aba0618ae7e476d65442f865866a1fa144a458f61709cca13967053411c38b406e7f09e6a00821d3af0489a
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C:\Users\Admin\AppData\Local\Temp\CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCFilesize
194KB
MD5be288874a275230a4dfaaf1cc3fc5f1d
SHA14dfb9b24c3535cd0250df9cc8afe2b79e8640ed8
SHA256a329ce34cf89b83dd87d1daa5093d24635a278578f1f57c2dd8f831264053607
SHA512bc47eef6f06a167237c13d697d27ce9bd6c3cabb02d1fc6020971a254603c9dd9970cc1de8e85f6926471d8ecc5f43f4ec3840345c9fce686042878829f7d7d1
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C:\te8ZzuVLn.README.txtFilesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\DDDDDDDDDDDFilesize
129B
MD5d620e928204ce1cd0d4df9efef9809fd
SHA1d28f9026c6f6a567f41bd7308382905da4101c0c
SHA25600a2cd91997d3bbf5c25e6400e11ddb0f8a51c38cc56006fde1f3e77ff78aad5
SHA512bb1b3552e2d641fd59b50a9cc7f1dc538643a98e1c17e83dd7604a302b5a924420ce5bcf8f21a7f7f0302e33fbeda7f867179c901add57cbdb3c703edde48864
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\ProgramData\3A04.tmpFilesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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memory/2056-875-0x0000000002330000-0x0000000002370000-memory.dmpFilesize
256KB
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memory/2056-876-0x0000000002330000-0x0000000002370000-memory.dmpFilesize
256KB
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memory/2056-883-0x000000007EF80000-0x000000007EF81000-memory.dmpFilesize
4KB
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memory/2056-885-0x000000007EF20000-0x000000007EF21000-memory.dmpFilesize
4KB
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memory/2056-874-0x000000007EFA0000-0x000000007EFA1000-memory.dmpFilesize
4KB
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memory/2056-907-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/2056-908-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/2164-0-0x0000000000170000-0x00000000001B0000-memory.dmpFilesize
256KB