Analysis
- max time kernel
150s - max time network
11s - platform
windows7_x64 - resource
win7v20201028 - submitted
06/03/2021, 19:06
General
- Target e8a3a64aee39042a3c71889b62a76f46.exe
- Size 553KB
- Sample210306-a286pykdxs
- SHA256 733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
smtp.yandex.com
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Port
587
-
Username
-
Password
browse9ja
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\e8a3a64aee39042a3c71889b62a76f46.exe"C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rHNeDeNpYGtlOu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp473D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe"C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/860-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/860-12-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/860-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/860-15-0x0000000004950000-0x0000000004951000-memory.dmp
memory/1656-2-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/1656-3-0x00000000009E0000-0x00000000009E1000-memory.dmp
memory/1656-5-0x0000000000260000-0x0000000000267000-memory.dmp
memory/1656-6-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
memory/1656-7-0x0000000004760000-0x00000000047BD000-memory.dmp