Analysis
- max time kernel
92s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:43
General
- Target PAYMENT SWIFT COPY PRINTOUT.exe
- Size 674KB
- Sample201109-567wg23mc2
- SHA256 895bd4c8d2a48b22575765b56e28816dfec0a3ab991140a62cf76802c53a07bf
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.ilclaw.com.ph
-
Port
587
-
Username
-
Password
P@ssw0rd
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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.
- Suspicious use of SetThreadContext 1 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY PRINTOUT.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY PRINTOUT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iHdJlxByjZZNi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC951.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY PRINTOUT.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3140-13-0x0000000073CE0000-0x00000000743CE000-memory.dmp
memory/3140-10-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3140-21-0x0000000006790000-0x0000000006791000-memory.dmp
memory/3140-19-0x0000000005FF0000-0x0000000005FF1000-memory.dmp
memory/3140-18-0x0000000005500000-0x0000000005501000-memory.dmp
memory/4696-7-0x0000000007DD0000-0x0000000007E1E000-memory.dmp
memory/4696-3-0x00000000077A0000-0x00000000077A1000-memory.dmp
memory/4696-1-0x0000000000240000-0x0000000000241000-memory.dmp
memory/4696-0-0x0000000073CE0000-0x00000000743CE000-memory.dmp
memory/4696-4-0x0000000007380000-0x0000000007381000-memory.dmp
memory/4696-6-0x00000000074C0000-0x00000000074C1000-memory.dmp
memory/4696-5-0x0000000007360000-0x000000000736C000-memory.dmp