Analysis
- max time kernel
147s - max time network
33s - platform
windows7_x64 - resource
win7v20210410 - submitted
01/06/2021, 13:15
General
- Target revised offer 67843_pdf.exe
- Size 1.2MB
- Sample210601-22ndhjlnca
- SHA256 a7c40e554814f511f8a33265cb7fbcf813e5a57f5bb89e66f9e82a45ebfe5cbc
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.epsllonplastics.com
-
Port
587
-
Username
-
Password
yjzsnb@7
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\revised offer 67843_pdf.exe"C:\Users\Admin\AppData\Local\Temp\revised offer 67843_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iIVnCXpnfoQKp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A5C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\revised offer 67843_pdf.exe"C:\Users\Admin\AppData\Local\Temp\revised offer 67843_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1092-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1092-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1092-72-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/1676-60-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
memory/1676-62-0x0000000004E00000-0x0000000004E01000-memory.dmp
memory/1676-63-0x0000000000540000-0x0000000000554000-memory.dmp
memory/1676-64-0x00000000051C0000-0x0000000005256000-memory.dmp
memory/1676-65-0x0000000000CA0000-0x0000000000CFD000-memory.dmp