Analysis
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max time kernel
145s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
08/09/2024, 00:25
General
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Target
2024-09-08_0b14554861845d417fc0cdc27bec8019_darkside.exe
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Size
147KB
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MD5
0b14554861845d417fc0cdc27bec8019
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SHA1
811042a7614a890dd332603476b1a27fef528518
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SHA256
1ea8c04497c684c1337e4902bf8edf3fbe632d1775286243e1e6bbba759402b8
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SHA512
771707df51f0a4df2cfe68abc5f730a32452f16625e546c7557917cb356d2284fd58ddea3af678fb7a28b0485493522a5edfdb6a0eafffd34e9f3c8a6cf6a05e
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SSDEEP
3072:uqJogYkcSNm9V7DwMN7T8xPy8iuF7snT:uq2kc4m9tDjtTcPyeF
Malware Config
Extracted
C:\Yl8SYKvBf.README.txt
Signatures
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Renames multiple (158) 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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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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Drops file in System32 directory 4 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 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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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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Suspicious behavior: EnumeratesProcesses 17 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\2024-09-08_0b14554861845d417fc0cdc27bec8019_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-08_0b14554861845d417fc0cdc27bec8019_darkside.exe"1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- 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\A3B3.tmp"C:\ProgramData\A3B3.tmp"2⤵
- Checks computer location settings
- 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\A3B3.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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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\{33CFC0B3-54CD-4FE4-A138-A72A73304D77}.xps" 1337022876771200002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD569bf67fe429b4e1d7aaa1c8bcba15d08
SHA1d4f9b1d1670024e39d59a408891a67213be715ea
SHA256d6f3febed9685f31b6846f586f79221c70009fc083b56d80d4014f5611f2ee32
SHA512473f30b5219a6f9265333f1b312591bf9473c238a3c4deb3b13918d848581a3f3970961931adaf58e44721cf7bc81a1c638ea75fa980dbe4a5252f9def44b5d2
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
147KB
MD580f69834439fa55a4c3b04dbb65598f5
SHA1d10121eb0aa3fca5e9d8fe13c8fe6b0dc3aaa50f
SHA2568e93f97264d7c40bceebef55de34d2123734347c8e37b546b93e4d8df0392e8a
SHA5127a13819404980ec6c7632e4682b3141522723a5c0e8d89f1f63038fea53b71de1b5735e7e3ac6059c5269587edc03618e042cdd00d7fc24036a10f9f969134e5
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Filesize
4KB
MD5a9e939953990d6199ea2ef1217c732a0
SHA117170ad454672539bfc0ff6bae56477d24e49803
SHA25640d8f4b285e1fa865c7fcd0a49895fc35fed506c7daafcb80256d9abcfdb361f
SHA5120dbad38584b64298e03b0f365a3939fe3de1b402f1951536bf2ce0f599643a9ec53db3b6aab18077536a667824424e4301e785b4d32c8d2e4ee6d4053cc3d9ba
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Filesize
4KB
MD5d7043b2560bcf23eeab6ff29978a2d14
SHA124ae0bd83214983cd0b5e8131b118129cd96b415
SHA25671d9418eb3f173810cc6436d67888619ab369aac75ee0d0ca01eef7251e4a821
SHA512635fb95fbb742896ff1f3eedb3c865e36014e8c5e020201f58d7162758ff47aebcdca5d25d1e487a734104870ed1a07930ea15ed4d3be62e3245ad280131772b
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Filesize
1KB
MD58e4e1364e1a6cd145eed9e9f55a0191a
SHA141d96243904d92f31b3002a5e422a7afd9e16ae0
SHA2564c25f0783cdd641b9ff8b0944fcc2fdb331e4b73d68314713c46a56213bcd704
SHA5125e2f14107e23c83a5f9867407545841225061857f66e5704e75a7469b55c10836ed067dcf6f39b75f67f811c3d96e7b5cc694752db54be1b6a6d78526102e371
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Filesize
129B
MD5a7272b15633900fd2306907632dcc074
SHA1159f9c58619df512b73f84b2085e067873df1b19
SHA256ed071b4f39e7292a00a2cedc5fd3882401a83244a7b1883e475e3a828ea3d260
SHA5124928320c4cd0e701df97f8adb52173a415fbc692601ffca6ffbd030d6a0032081a9cbb56e63d1cba545e037f8be0ded84fd1a9988611c97be5c2b4cc89bc7aa3
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB