Analysis
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max time kernel
124s -
max time network
126s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:37
Behavioral task
behavioral1
Sample
SOA_JAN_MAY_20_doc.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SOA_JAN_MAY_20_doc.exe
Resource
win10v20201028
General
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Target
SOA_JAN_MAY_20_doc.exe
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Size
500KB
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MD5
2e1a3f171e9adfb0cbd28a59a72409e3
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SHA1
5a2b23a48bc746f333663baffbe9b8e166a72008
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SHA256
dccf76439fbd7e0afbaf8b56edda49b8a842c4b9447a9ebcf71874a622abe2c8
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SHA512
91da04f3ff9f893e1d4fe7f1475ab525d5b75bc021d3d6ce746b94988ae246a0970d6841be1b6fe8f7c4cd79bc6215d10547c4b02158630a2f8c6a1412a1a057
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pptoursperu.com - Port:
587 - Username:
info@pptoursperu.com - Password:
mailppt2019-
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/744-4-0x0000000000980000-0x0000000000983000-memory.dmp coreentity -
AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1176-6-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1176-7-0x000000000044ABAE-mapping.dmp family_agenttesla behavioral1/memory/1176-8-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1176-11-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/744-5-0x0000000007220000-0x0000000007271000-memory.dmp rezer0 -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA_JAN_MAY_20_doc.exedescription pid process target process PID 744 set thread context of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 1176 RegSvcs.exe 1176 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SOA_JAN_MAY_20_doc.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 744 SOA_JAN_MAY_20_doc.exe Token: SeDebugPrivilege 1176 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
SOA_JAN_MAY_20_doc.exepid process 744 SOA_JAN_MAY_20_doc.exe 744 SOA_JAN_MAY_20_doc.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
SOA_JAN_MAY_20_doc.exeRegSvcs.exedescription pid process target process PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 744 wrote to memory of 1176 744 SOA_JAN_MAY_20_doc.exe RegSvcs.exe PID 1176 wrote to memory of 760 1176 RegSvcs.exe REG.exe PID 1176 wrote to memory of 760 1176 RegSvcs.exe REG.exe PID 1176 wrote to memory of 760 1176 RegSvcs.exe REG.exe PID 1176 wrote to memory of 760 1176 RegSvcs.exe REG.exe PID 1176 wrote to memory of 1332 1176 RegSvcs.exe netsh.exe PID 1176 wrote to memory of 1332 1176 RegSvcs.exe netsh.exe PID 1176 wrote to memory of 1332 1176 RegSvcs.exe netsh.exe PID 1176 wrote to memory of 1332 1176 RegSvcs.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA_JAN_MAY_20_doc.exe"C:\Users\Admin\AppData\Local\Temp\SOA_JAN_MAY_20_doc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/744-0-0x0000000074660000-0x0000000074D4E000-memory.dmpFilesize
6.9MB
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memory/744-1-0x0000000000A40000-0x0000000000A41000-memory.dmpFilesize
4KB
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memory/744-4-0x0000000000980000-0x0000000000983000-memory.dmpFilesize
12KB
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memory/744-5-0x0000000007220000-0x0000000007271000-memory.dmpFilesize
324KB
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memory/744-9-0x0000000000A00000-0x0000000000A30000-memory.dmpFilesize
192KB
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memory/760-16-0x0000000000000000-mapping.dmp
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memory/1176-7-0x000000000044ABAE-mapping.dmp
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memory/1176-8-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1176-6-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1176-11-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1176-13-0x0000000074660000-0x0000000074D4E000-memory.dmpFilesize
6.9MB
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memory/1204-3-0x000007FEF7900000-0x000007FEF7B7A000-memory.dmpFilesize
2.5MB
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memory/1332-17-0x0000000000000000-mapping.dmp