Analysis
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max time kernel
143s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:37
Static task
static1
Behavioral task
behavioral1
Sample
PO-11059021022021.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PO-11059021022021.exe
Resource
win10v2004-20220414-en
General
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Target
PO-11059021022021.exe
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Size
406KB
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MD5
c14e2f7c8e8cc81b9dca88b81369b5aa
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SHA1
845056cffbc74ef74ae18f1535819c1fd1eaefbf
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SHA256
329def7ed2b3e21852c057f9db14aa69756635b6be94de40b19b95bd10e1d71d
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SHA512
fe928fb529c1c0899a1d9f37ec8c5b7dce2341639f79d1d2a3a8aa0ab503012ff0a62900ebcf7a4dc9d05382716c9747a93ea1424bcabc9173f39a418435ffde
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.standard-engg.com - Port:
587 - Username:
[email protected] - Password:
Standard123#@!
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4348-137-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO-11059021022021.exedescription pid process target process PID 5016 set thread context of 4348 5016 PO-11059021022021.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PO-11059021022021.exeRegSvcs.exepid process 5016 PO-11059021022021.exe 5016 PO-11059021022021.exe 4348 RegSvcs.exe 4348 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO-11059021022021.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 5016 PO-11059021022021.exe Token: SeDebugPrivilege 4348 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
PO-11059021022021.exeRegSvcs.exedescription pid process target process PID 5016 wrote to memory of 4300 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4300 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4300 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 5016 wrote to memory of 4348 5016 PO-11059021022021.exe RegSvcs.exe PID 4348 wrote to memory of 3820 4348 RegSvcs.exe REG.exe PID 4348 wrote to memory of 3820 4348 RegSvcs.exe REG.exe PID 4348 wrote to memory of 3820 4348 RegSvcs.exe REG.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.exe"C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3820-140-0x0000000000000000-mapping.dmp
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memory/4300-135-0x0000000000000000-mapping.dmp
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memory/4348-136-0x0000000000000000-mapping.dmp
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memory/4348-137-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/4348-138-0x0000000006630000-0x0000000006696000-memory.dmpFilesize
408KB
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memory/4348-139-0x0000000006B50000-0x0000000006BA0000-memory.dmpFilesize
320KB
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memory/5016-130-0x0000000000B50000-0x0000000000BBC000-memory.dmpFilesize
432KB
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memory/5016-131-0x0000000005B80000-0x0000000006124000-memory.dmpFilesize
5.6MB
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memory/5016-132-0x00000000055D0000-0x0000000005662000-memory.dmpFilesize
584KB
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memory/5016-133-0x0000000005560000-0x000000000556A000-memory.dmpFilesize
40KB
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memory/5016-134-0x0000000005830000-0x00000000058CC000-memory.dmpFilesize
624KB