Analysis
- max time kernel
127s - max time network
124s - platform
windows10_x64 - resource
win10v20210410 - submitted
26/04/2021, 11:43
General
- Target SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.exe
- Size 875KB
- Sample210426-stdtbl2cra
- SHA256 9a7cc833405fabd1375ba99a3d19d8ec53243fe3f06b01ba01b2c58c519105df
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.safina.cc
-
Port
587
-
Username
-
Password
$ElriMd0
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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.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\BFKdrZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0CE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.1110.25976.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4036-137-0x0000000006300000-0x0000000006301000-memory.dmp
memory/4036-136-0x0000000005B70000-0x0000000005B71000-memory.dmp
memory/4036-135-0x00000000056A0000-0x0000000005B9E000-memory.dmp
memory/4036-128-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4432-119-0x0000000003440000-0x0000000003441000-memory.dmp
memory/4432-124-0x0000000003070000-0x000000000312F000-memory.dmp
memory/4432-125-0x0000000008C30000-0x0000000008CB9000-memory.dmp
memory/4432-123-0x000000007F0D0000-0x000000007F0D1000-memory.dmp
memory/4432-122-0x0000000003390000-0x000000000342C000-memory.dmp
memory/4432-121-0x00000000064C0000-0x00000000064CD000-memory.dmp
memory/4432-120-0x0000000005B90000-0x0000000005B91000-memory.dmp
memory/4432-114-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/4432-118-0x0000000005970000-0x0000000005971000-memory.dmp
memory/4432-117-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
memory/4432-116-0x00000000058D0000-0x00000000058D1000-memory.dmp