Analysis
- max time kernel
137s - max time network
43s - platform
windows7_x64 - resource
win7v20210408 - submitted
01/06/2021, 06:33
General
- Target Order-Confirmation-PO-0756-200-KG xls.scr
- Size 882KB
- Sample210601-z7dp42ejca
- SHA256 af1076fd5339badf56bfabd56b73e09d27c2aa40916499d9cded1f984536f6d9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.w2opt.com
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Port
587
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Username
-
Password
wTwo@2018
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 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Order-Confirmation-PO-0756-200-KG xls.scr"C:\Users\Admin\AppData\Local\Temp\Order-Confirmation-PO-0756-200-KG xls.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcgluykYrHvYAG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE2F.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\Order-Confirmation-PO-0756-200-KG xls.scr"C:\Users\Admin\AppData\Local\Temp\Order-Confirmation-PO-0756-200-KG xls.scr"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/828-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/828-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/828-71-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/1976-59-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
memory/1976-61-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
memory/1976-62-0x00000000003F0000-0x0000000000404000-memory.dmp
memory/1976-63-0x00000000051F0000-0x000000000528B000-memory.dmp
memory/1976-64-0x0000000000E10000-0x0000000000E70000-memory.dmp