Analysis
- max time kernel
139s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231023-en - resource tags
- submitted
26/10/2023, 11:48
General
- Target 112-43185133.exe
- Size 665KB
- Sample231026-nye3bsda29
- SHA256 69f1ba8f7b8dbb60f8049ca7b2c8730bf921efe454dcb52651f5210cebfa37d3
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
mail.narbon-co.com
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Port
587
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Username
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Password
WVZMVq2ccE8xK8z
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\112-43185133.exe"C:\Users\Admin\AppData\Local\Temp\112-43185133.exe"1⤵
- Checks computer location settings
- 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\jqNmglVoYCPlWJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70C6.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 13883⤵
- Program crash
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3972 -ip 39721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp70C6.tmp
memory/3972-22-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3972-21-0x00000000056B0000-0x0000000005716000-memory.dmp
memory/3972-20-0x0000000005610000-0x0000000005620000-memory.dmp
memory/3972-18-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3972-16-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4856-5-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/4856-6-0x0000000005150000-0x000000000515A000-memory.dmp
memory/4856-8-0x00000000053B0000-0x00000000053BC000-memory.dmp
memory/4856-9-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4856-10-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/4856-11-0x0000000006100000-0x0000000006178000-memory.dmp
memory/4856-12-0x0000000005ED0000-0x0000000005F12000-memory.dmp
memory/4856-7-0x0000000005460000-0x00000000054B6000-memory.dmp
memory/4856-0-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4856-4-0x0000000005220000-0x00000000052B2000-memory.dmp
memory/4856-19-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4856-3-0x00000000057D0000-0x0000000005D74000-memory.dmp
memory/4856-2-0x0000000005180000-0x000000000521C000-memory.dmp
memory/4856-1-0x00000000006B0000-0x000000000075C000-memory.dmp