Analysis
- max time kernel
130s - max time network
110s - platform
windows10_x64 - resource
win10v20210408 - submitted
05/05/2021, 14:23
General
- Target PO R7084.exe
- Size 697KB
- Sample210505-7ez7m6csa2
- SHA256 fa19f07b5cdf08055f110390e930f284f91222fa4c1341c6b9b9d85b21e30837
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.rscsi.org
-
Port
587
-
Username
-
Password
stevemonize2
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 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.
- 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 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO R7084.exe"C:\Users\Admin\AppData\Local\Temp\PO R7084.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QdAxlci" /XML "C:\Users\Admin\AppData\Local\Temp\tmp206A.tmp"2⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/904-121-0x0000000005A10000-0x0000000005A1E000-memory.dmp
memory/904-117-0x0000000005820000-0x0000000005821000-memory.dmp
memory/904-118-0x00000000057B0000-0x00000000057B1000-memory.dmp
memory/904-119-0x0000000005780000-0x0000000005C7E000-memory.dmp
memory/904-120-0x0000000008D20000-0x0000000008D21000-memory.dmp
memory/904-114-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
memory/904-122-0x0000000008EC0000-0x0000000008F4B000-memory.dmp
memory/904-123-0x000000000B620000-0x000000000B669000-memory.dmp
memory/904-116-0x0000000005C80000-0x0000000005C81000-memory.dmp
memory/904-126-0x000000000ED30000-0x000000000ED66000-memory.dmp
memory/904-127-0x000000000EE80000-0x000000000EE81000-memory.dmp
memory/904-128-0x000000000EF50000-0x000000000EF51000-memory.dmp