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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
27/01/2025, 11:30
General
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Target
2025-01-27_475f6e42f0cb53fc60fa80022826489f_darkside.exe
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Size
148KB
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MD5
475f6e42f0cb53fc60fa80022826489f
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SHA1
b1dc8069d4d667af8cc8cbff950dc7a67a129cc8
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SHA256
5fee867e93f672a561fedf8bb2d8525ab4a9146a51f922c88d34eb5c2d60561d
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SHA512
04663b3c60b26fcde8e1b30c061242ec0356b467d62b17128a4c72608e71425f43f540a41a60ba5c88b8a50f3a78bb5fcdddeea68589ac83806b24e22ecd9335
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SSDEEP
3072:pqJogYkcSNm9V7DHjsdAzWxxLaMdg9nW2T:pq2kc4m9tDDsdAzWCMdY
Malware Config
Extracted
C:\utZMwPnzM.README.txt
Signatures
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Renames multiple (327) 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 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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Modifies Control Panel 2 IoCs
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Suspicious behavior: EnumeratesProcesses 12 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\2025-01-27_475f6e42f0cb53fc60fa80022826489f_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-27_475f6e42f0cb53fc60fa80022826489f_darkside.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\B00D.tmp"C:\ProgramData\B00D.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\B00D.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
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Downloads
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Filesize
129B
MD5c2ca9bbc0d7c71e4289bb80fb27bbaf1
SHA13439b3469c4d5e03bc9525c97a59ad0af8b53886
SHA2564e8a1e588ff5f5843bd0a51b2b5b660fa412e586de94cb9d85fd139ba8905b54
SHA5125afb6d88b5267f071b5c55d1dac59ee8baa16d292fd7c90f8c29cd0d922ec2794e3c031265408b48e646830bd40ae88c0c220f4bc8938cc79406bc1de551cff7
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Filesize
148KB
MD5974f2b5598c074df607beb8379333e22
SHA1e4c5bd6fdcea5e18c3c7c26fc093eb5c7d17472f
SHA256cb15707d7174dd419c5c687c4630eae6227bc0115703db97978b528ccec25089
SHA512bdfcf80c673e788e7c667d461b59bddb067b8f4d31f375d1e9db079037561fc3becb64ebf34dbdb811ef84b6d96c512ff9eb99e35bf57bd160f75287a13a2868
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Filesize
2KB
MD5d9e1661bc09300cad8aa8d795b9ce0b3
SHA11676ba84687a2d7b27f73f3a37500317ba0d30a4
SHA256e2fa3f74d96324cd7dd0d611843e8102e897a8d65beac9d9491e8c42a7ada8bd
SHA5129fdaa9b0f68c19eba772fcb5b2ceaf371a0b78435a296765c3dbcdc5890218523d5844708473a685cf12ec559163fc3c87928b12e46bfda92faf2c5fc2d57f7f
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Filesize
129B
MD5cdee457c4b19661384d7de14abaab0b6
SHA1eaf9e0527aa6794c0b7c8150ef7ab6cf74943b86
SHA256a1a80cb235b95da0e1b7a29c98e953d0c9d59fe6c3feaef82d077b1ebc06d16c
SHA5128d646e7473394c5629a6ea9d996c43f5c9571edab7ea980376375992ec625426f371f72ce95a1e750c3fa58b831c66c0353ef20cafff08457d06a2a7329fbade
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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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
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB