Analysis
- max time kernel
61s - max time network
136s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/02/2021, 16:57
General
- Target 6da4ccf86a90087a8bdbe8c10676dd2e.exe
- Size 400KB
- Sample210202-1c214dbyln
- SHA256 e7cf85e50793ffe1de421da2d0ae4f6264d0d42b06d948dcbbd9178cf0faf3ae
Malware Config
Extracted
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trickbot
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2000024
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tot33
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85.93.159.98:449
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92.242.214.203:449
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202.21.103.194:449
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169.239.45.42:449
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45.234.248.66:449
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103.91.244.102:449
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118.67.216.238:449
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117.212.193.62:449
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201.184.190.59:449
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103.29.185.138:449
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79.122.166.236:449
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37.143.150.186:449
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179.191.108.58:449
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85.159.214.61:443
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149.56.80.31:443
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autorunName:pwgrab
Signatures
- Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Program Files directory 2 IoCs
- Program crash 2 IoCs
- Suspicious behavior: EnumeratesProcesses 29 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6da4ccf86a90087a8bdbe8c10676dd2e.exe"C:\Users\Admin\AppData\Local\Temp\6da4ccf86a90087a8bdbe8c10676dd2e.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\DC\6da4ccf86a90087a8bdbe8c10676dd2e.exe"C:\Program Files (x86)\DC\6da4ccf86a90087a8bdbe8c10676dd2e.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 4083⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 5042⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/572-11-0x00000000043F0000-0x00000000043F1000-memory.dmp
memory/832-16-0x000001D030FD0000-0x000001D030FD1000-memory.dmp
memory/832-15-0x000001D030EC0000-0x000001D030EE7000-memory.dmp
memory/1408-17-0x0000000004390000-0x0000000004391000-memory.dmp
memory/3228-10-0x0000000002080000-0x0000000002082000-memory.dmp
memory/3228-12-0x0000000002110000-0x0000000002111000-memory.dmp
memory/3228-13-0x0000000010001000-0x0000000010003000-memory.dmp
memory/4772-4-0x00000000021B0000-0x00000000021B2000-memory.dmp