Analysis
- max time kernel
16s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
21/02/2021, 07:41
General
- Target abb833640641fc23a5ee1ad8658937f7.exe
- Size 620KB
- Sample210221-e7zfkgabxs
- SHA256 3aea7450f1eddf8197b59f54d99157f509d64be58af1342b11c43dbdec21d994
Malware Config
Signatures
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 11 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\abb833640641fc23a5ee1ad8658937f7.exe"C:\Users\Admin\AppData\Local\Temp\abb833640641fc23a5ee1ad8658937f7.exe"1⤵
- Checks processor information in registry
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 7602⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 7642⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 12122⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 15722⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 15402⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 16442⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 18762⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 15282⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 18762⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 14962⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 16682⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/336-35-0x0000000004050000-0x0000000004051000-memory.dmp
memory/580-3-0x0000000002C10000-0x0000000002CDF000-memory.dmp
memory/580-4-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/580-2-0x0000000002F70000-0x0000000002F71000-memory.dmp
memory/744-29-0x00000000045C0000-0x00000000045C1000-memory.dmp
memory/1800-14-0x0000000004790000-0x0000000004791000-memory.dmp
memory/2076-23-0x0000000004240000-0x0000000004241000-memory.dmp
memory/2676-26-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/2908-11-0x0000000004D10000-0x0000000004D11000-memory.dmp
memory/3172-32-0x0000000004760000-0x0000000004761000-memory.dmp
memory/3176-17-0x0000000004700000-0x0000000004701000-memory.dmp
memory/3380-8-0x0000000004390000-0x0000000004391000-memory.dmp
memory/3512-20-0x00000000049C0000-0x00000000049C1000-memory.dmp
memory/3576-6-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/3576-5-0x0000000004AD0000-0x0000000004AD1000-memory.dmp