Analysis
- max time kernel
131s - max time network
136s - platform
windows10_x64 - resource
win10v20210408 - submitted
24/06/2021, 11:49
General
- Target QTN TECHN 80654.exe
- Size 1.7MB
- Sample210624-q127ksemms
- SHA256 372a1eff95efebac004946b062fafd38a69b2f9c4d2c900335b22353a4646d2e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.buynsell.com.pk
-
Port
587
-
Username
-
Password
9DdbVxrWBXPq
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 IoCs
- Adds Run key to start application 2 TTPs 1 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QTN TECHN 80654.exe"C:\Users\Admin\AppData\Local\Temp\QTN TECHN 80654.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\CFsglLfaDHbcrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF43.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-123-0x0000000002560000-0x0000000002599000-memory.dmp
memory/580-114-0x0000000000120000-0x0000000000121000-memory.dmp
memory/580-118-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/580-119-0x0000000007450000-0x0000000007451000-memory.dmp
memory/580-120-0x0000000007390000-0x0000000007391000-memory.dmp
memory/580-121-0x0000000007680000-0x0000000007682000-memory.dmp
memory/580-117-0x00000000073B0000-0x00000000073B1000-memory.dmp
memory/580-116-0x0000000007810000-0x0000000007811000-memory.dmp
memory/580-122-0x0000000008E30000-0x0000000008EAB000-memory.dmp
memory/1812-126-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-132-0x00000000050E0000-0x00000000055DE000-memory.dmp
memory/1812-133-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/1812-134-0x0000000005DD0000-0x0000000005DD1000-memory.dmp