Analysis
- max time kernel
122s - max time network
150s - platform
windows10_x64 - resource
win10v20210410 - 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
-
Port
587
-
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcgluykYrHvYAG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF156.tmp"2⤵
- Creates scheduled task(s)
-
-
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
Loading Replay Monitor...
Downloads
memory/416-135-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
memory/416-134-0x0000000005420000-0x0000000005421000-memory.dmp
memory/416-133-0x0000000004F50000-0x000000000544E000-memory.dmp
memory/416-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2116-119-0x0000000002960000-0x0000000002961000-memory.dmp
memory/2116-122-0x0000000005000000-0x0000000005014000-memory.dmp
memory/2116-123-0x0000000007220000-0x00000000072BB000-memory.dmp
memory/2116-124-0x0000000000ED0000-0x0000000000F30000-memory.dmp
memory/2116-121-0x0000000002950000-0x00000000029EC000-memory.dmp
memory/2116-120-0x0000000005100000-0x0000000005101000-memory.dmp
memory/2116-114-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2116-118-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/2116-117-0x0000000005540000-0x0000000005541000-memory.dmp
memory/2116-116-0x0000000004E80000-0x0000000004E81000-memory.dmp