Analysis
- max time kernel
117s - max time network
126s - platform
windows10_x64 - resource
win10v20210408 - submitted
10/06/2021, 08:47
General
- Target Urgent Contract Order GH78566484,pdf.exe
- Size 664KB
- Sample210610-8axyzyty46
- SHA256 02b4c197d19e5147aa7e958b8d364936fcbf4f2a09ea7fc0773d417a6f9ac9c4
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.tokyocornpo.com
-
Port
587
-
Username
-
Password
omQhbG$5
Signatures
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Urgent Contract Order GH78566484,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Urgent Contract Order GH78566484,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Urgent Contract Order GH78566484,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Urgent Contract Order GH78566484,pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Urgent Contract Order GH78566484,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Urgent Contract Order GH78566484,pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3904-125-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3904-134-0x0000000006BF0000-0x0000000006BF1000-memory.dmp
memory/3904-132-0x0000000005840000-0x0000000005D3E000-memory.dmp
memory/4068-119-0x00000000050A0000-0x0000000005132000-memory.dmp
memory/4068-122-0x0000000005600000-0x000000000561E000-memory.dmp
memory/4068-123-0x0000000006EE0000-0x0000000006F49000-memory.dmp
memory/4068-124-0x0000000006F90000-0x0000000006FB8000-memory.dmp
memory/4068-121-0x0000000005340000-0x0000000005341000-memory.dmp
memory/4068-120-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/4068-114-0x0000000000770000-0x0000000000771000-memory.dmp
memory/4068-118-0x0000000005160000-0x0000000005161000-memory.dmp
memory/4068-117-0x0000000005660000-0x0000000005661000-memory.dmp
memory/4068-116-0x0000000005000000-0x0000000005001000-memory.dmp