Analysis
- max time kernel
142s - max time network
66s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/12/2020, 17:11
General
- Target Order Inquiry.Jpeg.exe
- Size 507KB
- Sample201209-afm6knee6a
- SHA256 ef9af7994d5d9ac283134b522ae1e1680eecee19974bf717fc5cb50d69b5d371
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
Kissme4ever1479
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Order Inquiry.Jpeg.exe"C:\Users\Admin\AppData\Local\Temp\Order Inquiry.Jpeg.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\ThELRRAUnowsj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4392.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Order Inquiry.Jpeg.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/636-11-0x0000000008730000-0x0000000008731000-memory.dmp
memory/636-3-0x0000000000380000-0x0000000000381000-memory.dmp
memory/636-7-0x0000000004D80000-0x0000000004D81000-memory.dmp
memory/636-8-0x00000000087F0000-0x00000000087F1000-memory.dmp
memory/636-9-0x0000000005180000-0x000000000518E000-memory.dmp
memory/636-10-0x0000000006B10000-0x0000000006B84000-memory.dmp
memory/636-2-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/636-6-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
memory/636-5-0x0000000005220000-0x0000000005221000-memory.dmp
memory/3200-14-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3200-17-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/3200-22-0x0000000005B00000-0x0000000005B01000-memory.dmp
memory/3200-23-0x0000000006390000-0x0000000006391000-memory.dmp