Analysis
- max time kernel
134s - max time network
152s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
30/09/2021, 08:24
General
- Target SHIPPING ADVICE.exe
- Size 690KB
- Sample210930-kap1vahaa4
- SHA256 20f250ce18c73f3aecba1a2de30602b2d0bf6d138f447bc673ae50dd870acf03
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.bsia.co.in
-
Port
587
-
Username
-
Password
21mbsia@)@!Y
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING ADVICE.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING ADVICE.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SHIPPING ADVICE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING ADVICE.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING ADVICE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1980-384-0x0000000005250000-0x0000000005251000-memory.dmp
memory/1980-136-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1980-145-0x0000000005080000-0x000000000557E000-memory.dmp
memory/2392-122-0x0000000004DF0000-0x0000000004E03000-memory.dmp
memory/2392-121-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/2392-115-0x0000000000380000-0x0000000000381000-memory.dmp
memory/2392-123-0x0000000005A90000-0x0000000005AFB000-memory.dmp
memory/2392-124-0x0000000005220000-0x0000000005222000-memory.dmp
memory/2392-125-0x0000000005B00000-0x0000000005B45000-memory.dmp
memory/2392-120-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/2392-127-0x0000000006820000-0x0000000006821000-memory.dmp
memory/2392-119-0x0000000004D30000-0x000000000522E000-memory.dmp
memory/2392-118-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/2392-117-0x0000000005230000-0x0000000005231000-memory.dmp
memory/3700-135-0x00000000082A0000-0x00000000082A1000-memory.dmp
memory/3700-147-0x0000000008960000-0x0000000008961000-memory.dmp
memory/3700-132-0x0000000007890000-0x0000000007891000-memory.dmp
memory/3700-131-0x0000000007A80000-0x0000000007A81000-memory.dmp
memory/3700-142-0x0000000007440000-0x0000000007441000-memory.dmp
memory/3700-144-0x0000000007A20000-0x0000000007A21000-memory.dmp
memory/3700-143-0x0000000007442000-0x0000000007443000-memory.dmp
memory/3700-130-0x0000000004E20000-0x0000000004E21000-memory.dmp
memory/3700-146-0x0000000008A00000-0x0000000008A01000-memory.dmp
memory/3700-133-0x0000000007930000-0x0000000007931000-memory.dmp
memory/3700-155-0x0000000009700000-0x0000000009733000-memory.dmp
memory/3700-162-0x00000000096C0000-0x00000000096C1000-memory.dmp
memory/3700-167-0x0000000009840000-0x0000000009841000-memory.dmp
memory/3700-168-0x000000007EF10000-0x000000007EF11000-memory.dmp
memory/3700-169-0x0000000009C50000-0x0000000009C51000-memory.dmp
memory/3700-238-0x0000000007443000-0x0000000007444000-memory.dmp
memory/3700-363-0x0000000009BB0000-0x0000000009BB1000-memory.dmp
memory/3700-369-0x0000000009B90000-0x0000000009B91000-memory.dmp