Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
16-09-2024 15:25
General
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Target
2024-09-16_b71bd8482d6e872bd867966a1e572ac9_darkside.exe
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Size
146KB
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MD5
b71bd8482d6e872bd867966a1e572ac9
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SHA1
926d496eed4f6735999dcac03b9295222ea45dc1
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SHA256
f156e0cc550938d59d92fcf7768d5070360d46c80555ed4f972d2af0f4233fdb
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SHA512
4392f36b65fe82ce102a0faf55f2fdce4cd8463cf42eab2ca68bcbe3578de4804d5ec475ed2294fc8e7bef9e319af18ee2656dea4b499ff43476f2a8f35d85b6
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SSDEEP
3072:x6glyuxE4GsUPnliByocWepqzW0lfCoCufrJikFt1YY:x6gDBGpvEByocWeczXlqIldvYY
Malware Config
Extracted
C:\qcH9iqGVb.README.txt
lockbit
https://getsession.org/download
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (339) 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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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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\2024-09-16_b71bd8482d6e872bd867966a1e572ac9_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-16_b71bd8482d6e872bd867966a1e572ac9_darkside.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\D8E1.tmp"C:\ProgramData\D8E1.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- 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\D8E1.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD51786a42452a0329e3f5a2ac954db20f5
SHA16429577b1494400dfbd63cad1cd55462b4ac06fd
SHA2562a2d9754c5782984894de87738261d5f9ec0c88c9af8d7555d641a8b57e5b69e
SHA5128bc32191b75d669ee4b7da54e75f1d3e7ddf68f9d2551eadd8fed7d536d9ba76c62254d2d36c4ad9181fadd445bc5f147801ab025f2c998a5edb50bb4c58ed67
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Filesize
146KB
MD526d203c17cd1bfd6f69812ba4af1c895
SHA131856e4ef2de177937a8b15a95bb971426f52c92
SHA25623763c947b87afa587ff21314bd931398949a53c59aeb8054ce5b06e9717e826
SHA512eb861a5d6b590fa2ed286db7e229ede9468c901559fbd9be54265d57984b34b8a81c86f6b1be44bcf0bf693d932d8def1e0c49b260af5ce54ad71fcdda39be4b
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Filesize
1KB
MD52a21dd89894ea36584738827ecacc799
SHA112bba4f6bcdeead2efca32a22402456ccc583ebc
SHA25681d294f23775580bdb0466f8d5756b10cd056f932769a945fa59578b8e4d385d
SHA5124a21667a7e86c5d7c7ea8e4a275d84344c927660677f5527f5813e89c071fcc45ffe41f440f12ce9be4725d844fc9261f32286e66dff728fe87bc1d03b03e3a3
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Filesize
129B
MD53411d571ac5c1ab5bc4778050568e1e3
SHA1230debe652a416673626ae133e11a09d2c7cb1ad
SHA256fbb934c2da146e8bfdf4ca12abfcf05d0e7cad392ff90628ca3357432fc98e9f
SHA512cac360eb243d93bd2570e868318cdb996787ff03f851c22b81dc2da5caf7bc68536132ff70024220c5e1f46e76759e7fc580caf2b10afb43425941a0960cc842
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
4KB
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Filesize
256KB
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Filesize
4KB
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Filesize
256KB
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Filesize
4KB
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Filesize
256KB
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Filesize
256KB
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Filesize
4KB
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Filesize
4KB
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Filesize
256KB