Analysis
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max time kernel
147s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
23-02-2024 01:47
General
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Target
2024-02-23_951a7673b6ad24bfcbf086db0873c7f4_darkside.exe
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Size
146KB
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MD5
951a7673b6ad24bfcbf086db0873c7f4
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SHA1
67275f726f320df71bbeed04804571cf9e73eb42
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SHA256
a50d9954c0a50e5804065a8165b18571048160200249766bfa2f75d03c8cb6d0
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SHA512
3b358dd9eb8fa2d18fd436351f21d33dfe5e30057edd9df2e242b1520b447c5efcaa964cb6a8024ed2cff6ff6e60c1f751efc1c9fd8e430352e960d820f6ad36
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SSDEEP
1536:izICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDstorzC23uqOKqpGX+1KBh+QHzT:hqJogYkcSNm9V7D1O9FpN12h+QTT
Malware Config
Extracted
C:\2zAdN8qob.README.txt
Signatures
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Renames multiple (591) 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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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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Drops file in System32 directory 4 IoCs
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Sets desktop wallpaper using registry 2 TTPs 2 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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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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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 64 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\2024-02-23_951a7673b6ad24bfcbf086db0873c7f4_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_951a7673b6ad24bfcbf086db0873c7f4_darkside.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- 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\6AFF.tmp"C:\ProgramData\6AFF.tmp"2⤵
- Checks computer location settings
- 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\6AFF.tmp >> NUL3⤵
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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\{31A1726B-85C5-4562-A952-98E6F1268C64}.xps" 1335312644702400002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD51d93c7b775cca424d83363f4e33ed4a2
SHA1ab854dec701a556943ad4bac272696aa7810c1c9
SHA2565b3bf8188a69d651e5d5b46f6020f1685658804a9ad654eb642bfa89e6bba5a1
SHA512ab561127a7081ca4bebc4d6618844236267f6b653435d67a27d92a5589abce75e649132e01802f347a0ccf7b024868c9d1bd53bc9c19de4cc05269f8a21a0593
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Filesize
989B
MD5209661f56bdc47efd6745e3a5568c917
SHA1a1932b425be0f4bcb2966cda601d38f7a56e6249
SHA25670041a51d082cff43cf632817ff61521f96aaea5d13746098df42e5cd9927d23
SHA5126c1b448931f6b1321a9e81c945f8d112cd1333e9b6fd4af322e83146b21ba6dc0a90b62e59c55afded3d64aae66d3699201f53c34712be0f9cc7e8ec17ce2ea9
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5db4579e1e6682e1213cc429793cf0ebf
SHA1825110c6828ae4df5b6c0efc898149188565611e
SHA2560f593dea95eadff843e5a2415fbdee83508084f2c5e79096a8b2164703a51448
SHA5128e4a88f2964fccac65cbb0a738fcbd1d20b884e2db269087e12564360928cecda01ed3524f526d73039e6206f4ab4cec6deebe04e12cd14c308074a391416454
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Filesize
4KB
MD5a889b3699195d6769645d506caabe0ff
SHA11c6fb4505160dfbe220bf9cb1e3e57e138a5f25c
SHA2561af33abb8c5a2e3a7f5f19c0e68790a5ed14985f647a49355722d600b875deae
SHA5125e278b8aa781fdf83f046715589af9d38a8d146d03be2b37ecb2b6ce044b15a42aeb6b44a5c9964f88fa68cbed50f969b3866bfc8c73b4652b0d33a9bce7fe57
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Filesize
129B
MD5ac748e1a7d9ce0a4fb62f7169f30fab9
SHA1dd9fa8b71faa5aa39c2aef6636820ef78edf7856
SHA256992ab1584937363537a1db4b773b681440ce5a0cb6e0d3f93693ca825e514ab0
SHA5123a6d29db622180a2903e3bfc77c922cb7982080e93a4cdfb734cbba144df83e7d4ef80662069fecc29de426eeec0663b1ff564fc5ded426927e6d897c4f33878
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB