Analysis
- max time kernel
75s - max time network
144s - platform
windows10_x64 - resource
win10v200722 - submitted
08/09/2020, 13:32
General
- Target EMC gas APPOINTMENT LETTER.exe
- Size 857KB
- Sample200908-snpc8y3rps
- SHA256 d7b0da0e8ccc1474692b0d96320de2254fa2b033bf3c00a9d10dad95aed383ad
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\EMC gas APPOINTMENT LETTER.exe"C:\Users\Admin\AppData\Local\Temp\EMC gas APPOINTMENT LETTER.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\EMC gas APPOINTMENT LETTER.exe"{path}"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3240-11-0x0000000000400000-0x0000000000486000-memory.dmp
memory/3240-20-0x0000000006B80000-0x0000000006B81000-memory.dmp
memory/3240-19-0x0000000006370000-0x0000000006371000-memory.dmp
memory/3240-14-0x0000000073E20000-0x000000007450E000-memory.dmp
memory/3816-5-0x0000000005130000-0x0000000005131000-memory.dmp
memory/3816-8-0x00000000063A0000-0x0000000006447000-memory.dmp
memory/3816-9-0x00000000064F0000-0x00000000064F1000-memory.dmp
memory/3816-10-0x0000000008D00000-0x0000000008DA8000-memory.dmp
memory/3816-7-0x0000000005B20000-0x0000000005B21000-memory.dmp
memory/3816-6-0x0000000005160000-0x0000000005163000-memory.dmp
memory/3816-0-0x0000000073E20000-0x000000007450E000-memory.dmp
memory/3816-4-0x00000000051C0000-0x00000000051C1000-memory.dmp
memory/3816-3-0x0000000005620000-0x0000000005621000-memory.dmp
memory/3816-1-0x0000000000800000-0x0000000000801000-memory.dmp