Analysis
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max time kernel
137s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2023 07:07
Static task
static1
Behavioral task
behavioral1
Sample
IV22200102 30-03-2023.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
IV22200102 30-03-2023.exe
Resource
win10v2004-20230221-en
General
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Target
IV22200102 30-03-2023.exe
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Size
677KB
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MD5
9a73ed7acebb4aa4df0f6cb3f2c66881
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SHA1
2273f16a60a07707d55c6697b63f52162d5fca8c
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SHA256
285c3ffd2b6cdd180ee0a3371f12f6a0ffb4a77ffc7a811f242749f68722242c
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SHA512
39407b0132fe24cd93fb9fa992c4e66090d0adb2132848648bf77237cc78c23d678f1bce9e948c6818554f7a214fc8f5e97f40533fb4b91477b80adb21287af7
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SSDEEP
12288:kKPFSPlpTCyywVhs9PNSWPAoer7/iEUL07zMtk7R:kiFSnT0wVuDTrOxUL07zB1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.exceltruea.com - Port:
587 - Username:
sales@exceltruea.com - Password:
bl es si ng 2 0 2 3 - Email To:
sales@exceltruea.com
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 32 api.ipify.org 33 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IV22200102 30-03-2023.exedescription pid process target process PID 1564 set thread context of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
IV22200102 30-03-2023.exepid process 1564 IV22200102 30-03-2023.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
IV22200102 30-03-2023.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1564 IV22200102 30-03-2023.exe Token: SeDebugPrivilege 848 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
IV22200102 30-03-2023.exedescription pid process target process PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe PID 1564 wrote to memory of 848 1564 IV22200102 30-03-2023.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IV22200102 30-03-2023.exe"C:\Users\Admin\AppData\Local\Temp\IV22200102 30-03-2023.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⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/848-140-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/848-146-0x0000000005410000-0x0000000005420000-memory.dmpFilesize
64KB
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memory/848-145-0x0000000006EA0000-0x0000000007062000-memory.dmpFilesize
1.8MB
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memory/848-144-0x0000000006C30000-0x0000000006C80000-memory.dmpFilesize
320KB
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memory/848-143-0x0000000005410000-0x0000000005420000-memory.dmpFilesize
64KB
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memory/848-142-0x0000000005420000-0x0000000005486000-memory.dmpFilesize
408KB
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memory/1564-136-0x0000000005540000-0x00000000055DC000-memory.dmpFilesize
624KB
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memory/1564-139-0x00000000056D0000-0x00000000056E0000-memory.dmpFilesize
64KB
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memory/1564-138-0x00000000056D0000-0x00000000056E0000-memory.dmpFilesize
64KB
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memory/1564-137-0x0000000005430000-0x000000000543A000-memory.dmpFilesize
40KB
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memory/1564-133-0x0000000000950000-0x00000000009FE000-memory.dmpFilesize
696KB
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memory/1564-135-0x0000000005380000-0x0000000005412000-memory.dmpFilesize
584KB
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memory/1564-134-0x0000000005A50000-0x0000000005FF4000-memory.dmpFilesize
5.6MB