Analysis
- max time kernel
134s - max time network
12s - platform
windows7_x64 - resource
win7v20210408 - 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
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Protocol
smtp
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Host
smtp.safina.cc
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Port
587
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Username
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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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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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
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BFKdrZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48A4.tmp"2⤵
- Creates scheduled task(s)
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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⤵
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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⤵
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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
Loading Replay Monitor...
Downloads
memory/996-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/996-71-0x0000000000400000-0x000000000043C000-memory.dmp
memory/996-73-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
memory/1652-60-0x0000000000260000-0x0000000000261000-memory.dmp
memory/1652-62-0x0000000000580000-0x000000000058D000-memory.dmp
memory/1652-63-0x0000000004580000-0x0000000004581000-memory.dmp
memory/1652-64-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/1652-65-0x0000000005240000-0x00000000052FF000-memory.dmp
memory/1652-66-0x00000000050B0000-0x0000000005139000-memory.dmp