Analysis
- max time kernel
151s - max time network
118s - platform
windows10_x64 - resource
win10v20210408 - submitted
02/08/2021, 05:28
General
- Target Enquiry -V885670.exe
- Size 1.3MB
- Sample210802-y12pc1659e
- SHA256 d8baf0ec4f2782448fe40cdc0ea07ebf0f8e7a592b696e2dccc93bf2c533f726
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
OGOM123456@@
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\Enquiry -V885670.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gHKViwYjJwx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4854.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/996-123-0x000000000CA60000-0x000000000CA98000-memory.dmp
memory/996-117-0x0000000005660000-0x0000000005661000-memory.dmp
memory/996-120-0x00000000059B0000-0x00000000059B1000-memory.dmp
memory/996-121-0x00000000050E0000-0x00000000050ED000-memory.dmp
memory/996-122-0x0000000008330000-0x00000000083CC000-memory.dmp
memory/996-114-0x0000000000C00000-0x0000000000C01000-memory.dmp
memory/996-118-0x0000000005780000-0x0000000005C7E000-memory.dmp
memory/996-119-0x0000000003060000-0x0000000003061000-memory.dmp
memory/996-116-0x0000000005C80000-0x0000000005C81000-memory.dmp
memory/3716-126-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3716-133-0x0000000001190000-0x0000000001191000-memory.dmp
memory/3716-134-0x0000000005130000-0x0000000005131000-memory.dmp
memory/3716-135-0x0000000005CE0000-0x0000000005CE1000-memory.dmp