Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
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submitted
02-08-2024 12:36
General
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Target
1/0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe
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Size
146KB
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MD5
2357ecbcf3b566c76c839daf7ecf2681
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SHA1
89d9b7c3eff0a15dc9dbbfe2163de7d5e9479f58
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SHA256
0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305
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SHA512
bb5630ae44e684f2dfc74478c57bf97a94045501a64022d563e87f2a60d777307cab2b5a14e6764d25a2fd1f27901624c1ee76ca551d5a5e3a21abc4befef401
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SSDEEP
3072:V6glyuxE4GsUPnliByocWepo2NVLiguo/pyEwUS:V6gDBGpvEByocWeauV2gvzwU
Malware Config
Extracted
C:\7V7uPExzv.README.txt
http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/
http://group.goocasino.org
https://nullbulge.com
Signatures
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Renames multiple (348) 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 5 IoCs
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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\1\0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe"C:\Users\Admin\AppData\Local\Temp\1\0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.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\906.tmp"C:\ProgramData\906.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\906.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
MD50bc2773c4ceba26016b80d48bc40abe7
SHA1fe3146b8462be9393b915be1b9b67a76416570d0
SHA2563ea1fdfbbd4665cb059ca396f5e30a0169190ff5bcc3dff407eadb2f57d852c7
SHA512cfbbdc702d5aca53939745b8f75ab50729f39804f778e027cdabfafb9469dc838d4eacef6488d1ab4d50e0a1e05391a8740eb58510176fcfdd544b171d35f678
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Filesize
1KB
MD5c31028fa0b5ef44a4030f050c67861f3
SHA1edb3d57aabc7217c526a8dca111d49289d2b083a
SHA256cd645f4e2f1e9e2a6831a09b50e041d9e15ef9d86decc0bb9d544154f533f78b
SHA512f5d4c7250e3d49ee5268960e62c9f76bccd13c4f3fecb4fbea15acd8a3ba7135874938ec280cb6789376a53324edf70f8879b027094b5f3ba66f50d1d123fd3b
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Filesize
146KB
MD5637c37d2e04e260b6eacc06a4aa13779
SHA1891a83bf09446ae13ff726e5643ba9bbd832ede2
SHA2561e181d9f528a8385240f47cc5b17da00c12522a64ac25956510a90fe37c80285
SHA512dfc54f40278acad3f2348c342cf7bcef7b400bb3ec405ae987b615ff89f24b4ade31993be2100b3de65a61cf9f8308bc92233e2ec98df3e309f4a1c9d86e15c4
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Filesize
129B
MD5f3ead84b5959bf4224646264b844b475
SHA1fcfbb366176555ddb78f1a69574785ebf90bedf4
SHA256875545b4db7aa616c15895bb2177eb5d21c1e2170565a985c39e24cac399dbbb
SHA512f29c4929c7cf997c71b9cd13c509cee74bad421eade60a63934ec423c2db37b816b1e5a3407830de3eb2077e886d8960dc04078fac0c15ae533a413bb986a9dd
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
256KB
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Filesize
4KB
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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
4KB