Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
25/03/2025, 08:20
General
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Target
2025-03-25_9c538ff5f541f0e8b9b2cc8386b40c65_darkside_lockbit.exe
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Size
146KB
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MD5
9c538ff5f541f0e8b9b2cc8386b40c65
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SHA1
689fcc9c3a30efe6ff5bee231506bf3c4637e6e8
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SHA256
90fcaf3926265ba790e6245975b3106617b89f4d7fe2a7733a6ecd0f7ac79bb2
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SHA512
1367c402cab5e89d6863f9dad5faf497d7e15a8ce9a0644c314f523d2435f95286048ef4d87c65096a024c6f4a299049f15d863c30054ef666fa053102c25122
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SSDEEP
3072:V6glyuxE4GsUPnliByocWepo2NVLiguo/pyEwUS7:V6gDBGpvEByocWeauV2gvzwUg
Malware Config
Extracted
C:\7V7uPExzv.README.txt
http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/
http://group.goocasino.org
https://nullbulge.com
Signatures
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Renames multiple (313) 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 3 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 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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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 10 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\2025-03-25_9c538ff5f541f0e8b9b2cc8386b40c65_darkside_lockbit.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-25_9c538ff5f541f0e8b9b2cc8386b40c65_darkside_lockbit.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\2EED.tmp"C:\ProgramData\2EED.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\2EED.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD51c10b9138c945bbb6c760d471a6f6e47
SHA10b163459aa18f4bc76de32c239e35f6e2a8bbc0c
SHA256d7fafe7d18eaa045a284c2b10fccd6d092e7ca4c150c56470ef1bad0f579b928
SHA512faf575a16bd876e4095cd4324b5c1075d6c8991104387249881ce1a192cf1a191d8e6c6f04f59cd34c2d1da6a18189f52e6e360c8b07b2e56391eb309bcc0b34
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Filesize
1KB
MD5e31d8e5ec89c1cee2572ed37d1829c7d
SHA14b2d7d7386c44771a5e00baefe11752e29cc0c16
SHA256da5d335038cc79a256c88bca5d1c429ebf790678fa85d46339b818d4ab0a91ed
SHA5128af01d55743e41d93c53520172a16ed3e51c4b743af3ce1f2c4bc757f780c631fd598c87c896b8df8b276ef620975c27e199d06122034b644bcf5e0af58995d8
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Filesize
146KB
MD52501f613fc16c7f37681c9488630f3ea
SHA1ef611c90f85ebba27d42770681cfd882e88de4c8
SHA25634d7ba71d0f836a8bc5aaea1354b953b81b1d3136b7be6e930c2cfcd7b9f929e
SHA5121b0477f7fb822c45841333d236bb6571323ca3e793e9e58a24f81c2c9590587e03486eeea0fde3953de6d5d011d0e873d6948e0a952e9305b4812906755366f3
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Filesize
129B
MD50a8404171e12abfd85912011693638e9
SHA11f91004dc29f6f25003342fdb2e3de81ccebd878
SHA25676b2a33621c0de31d05b30c9ef821493f273bbcf7f840bcb5682acc3622d4c95
SHA51257811ce85f3e40fe18a31ba7187468a47b328723c784747aba1bce1575400d5e5d73f09aec3592f6d59d642524bab7cb6ac847de0c527cae5def3112797deb99
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
12KB
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Filesize
28KB
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Filesize
28KB
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Filesize
28KB
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Filesize
256KB
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Filesize
256KB