Analysis
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max time kernel
135s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
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submitted
18-07-2023 16:10
General
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Target
c5b259bcad6846_JC.exe
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Size
955KB
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MD5
c5b259bcad68460451249aa9ff5d4c59
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SHA1
a53ccd534ef8d5c61e807972339fd8cbfd3999cc
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SHA256
deae486211d65cf112af12f8481f1cba5330203706e372da16abb6c2d9b859b2
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SHA512
f2dc7c4bb295c24be10063521be2956ab44c6f6e0d17f973816eaa537c92a4cf73f620ca176f671a3516e9766cc86d56fc639f2fb3077db0a859a658f3e85178
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SSDEEP
24576:9bByA20GK5jcAkSYqyEPa9dsTcQ7IwMpKI:9bYA7pYqi9dsTh7Iwi
Malware Config
Signatures
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Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
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Detect Blackmoon payload 4 IoCs
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UAC bypass 3 TTPs 1 IoCs
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Adds policy Run key to start application 2 TTPs 1 IoCs
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Disables RegEdit via registry modification 1 IoCs
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Drops file in Drivers directory 1 IoCs
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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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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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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Drops autorun.inf file 1 TTPs 6 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory 64 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
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System policy modification 1 TTPs 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c5b259bcad6846_JC.exe"C:\Users\Admin\AppData\Local\Temp\c5b259bcad6846_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe"C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe"2⤵
- UAC bypass
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
955KB
MD5c5b259bcad68460451249aa9ff5d4c59
SHA1a53ccd534ef8d5c61e807972339fd8cbfd3999cc
SHA256deae486211d65cf112af12f8481f1cba5330203706e372da16abb6c2d9b859b2
SHA512f2dc7c4bb295c24be10063521be2956ab44c6f6e0d17f973816eaa537c92a4cf73f620ca176f671a3516e9766cc86d56fc639f2fb3077db0a859a658f3e85178
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Filesize
955KB
MD5c5b259bcad68460451249aa9ff5d4c59
SHA1a53ccd534ef8d5c61e807972339fd8cbfd3999cc
SHA256deae486211d65cf112af12f8481f1cba5330203706e372da16abb6c2d9b859b2
SHA512f2dc7c4bb295c24be10063521be2956ab44c6f6e0d17f973816eaa537c92a4cf73f620ca176f671a3516e9766cc86d56fc639f2fb3077db0a859a658f3e85178
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Filesize
955KB
MD5c5b259bcad68460451249aa9ff5d4c59
SHA1a53ccd534ef8d5c61e807972339fd8cbfd3999cc
SHA256deae486211d65cf112af12f8481f1cba5330203706e372da16abb6c2d9b859b2
SHA512f2dc7c4bb295c24be10063521be2956ab44c6f6e0d17f973816eaa537c92a4cf73f620ca176f671a3516e9766cc86d56fc639f2fb3077db0a859a658f3e85178
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Filesize
308KB