Analysis
- max time kernel
127s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
21/05/2022, 01:37
General
- Target PO_KIS10.scr
- Size 826KB
- Sample220521-b2a7bsfhep
- SHA256 a9c6ebe45d33c431aa47b65571cb8d4d0d56d439cea807aa603c744cf4105a1f
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
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Port
587
-
Username
-
Password
moneyman147
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO_KIS10.scr"C:\Users\Admin\AppData\Local\Temp\PO_KIS10.scr" /S1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xpxhvjQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFDC.tmp"2⤵
- Creates scheduled task(s)
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-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpAFDC.tmp
memory/4336-130-0x0000000000420000-0x00000000004F4000-memory.dmp
memory/4336-131-0x00000000053F0000-0x0000000005994000-memory.dmp
memory/4336-132-0x0000000004EE0000-0x0000000004F72000-memory.dmp
memory/4336-133-0x0000000004EB0000-0x0000000004EBA000-memory.dmp
memory/4336-134-0x0000000008960000-0x00000000089FC000-memory.dmp
memory/4336-137-0x0000000009270000-0x00000000092D6000-memory.dmp
memory/4336-138-0x00000000090C0000-0x0000000009110000-memory.dmp