Analysis
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max time kernel
152s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
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submitted
23-07-2023 20:35
General
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Target
NA_NA_36f64dec4109c2exeexe_JC.exe
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Size
9.2MB
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MD5
36f64dec4109c25faa1e6b12d1f7a1ec
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SHA1
2adc34abc370411ec6d8cda5abcd78011013844e
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SHA256
86e21bc73c5062d8c516734b7b66c3b10a1e06b5896d259f2991abc623213e68
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SHA512
ac6464c2fe7c6e73918aa79be61395c288642f7e48bd02a653c3d869359d3a923434ce5abf937653476f5ba791a7ac878d24f535cdf9b4293b697819d417c7b8
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SSDEEP
98304:ysnUm8U/6f0oAaldmdmnpgsnUm8U/6f0oAaldmdmnplM4:V18U/6cKmd0N18U/6cKmd0k4
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\NA_NA_36f64dec4109c2exeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NA_NA_36f64dec4109c2exeexe_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 v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
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Downloads
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Filesize
9.2MB
MD536f64dec4109c25faa1e6b12d1f7a1ec
SHA12adc34abc370411ec6d8cda5abcd78011013844e
SHA25686e21bc73c5062d8c516734b7b66c3b10a1e06b5896d259f2991abc623213e68
SHA512ac6464c2fe7c6e73918aa79be61395c288642f7e48bd02a653c3d869359d3a923434ce5abf937653476f5ba791a7ac878d24f535cdf9b4293b697819d417c7b8
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Filesize
9.2MB
MD536f64dec4109c25faa1e6b12d1f7a1ec
SHA12adc34abc370411ec6d8cda5abcd78011013844e
SHA25686e21bc73c5062d8c516734b7b66c3b10a1e06b5896d259f2991abc623213e68
SHA512ac6464c2fe7c6e73918aa79be61395c288642f7e48bd02a653c3d869359d3a923434ce5abf937653476f5ba791a7ac878d24f535cdf9b4293b697819d417c7b8
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Filesize
9.2MB
MD536f64dec4109c25faa1e6b12d1f7a1ec
SHA12adc34abc370411ec6d8cda5abcd78011013844e
SHA25686e21bc73c5062d8c516734b7b66c3b10a1e06b5896d259f2991abc623213e68
SHA512ac6464c2fe7c6e73918aa79be61395c288642f7e48bd02a653c3d869359d3a923434ce5abf937653476f5ba791a7ac878d24f535cdf9b4293b697819d417c7b8
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Filesize
308KB