Analysis
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max time kernel
146s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
30-03-2023 07:54
Static task
static1
Behavioral task
behavioral1
Sample
Tordenbygen72.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Tordenbygen72.exe
Resource
win10v2004-20230221-en
General
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Target
Tordenbygen72.exe
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Size
628KB
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MD5
ac85335afe1237e78ba86beb2950c3bc
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SHA1
7ecdd418b3a15a858f86776969da3a3b0e04f9dc
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SHA256
09606aab0e4d6b1ad408da37e0245df53c5769960e8f1aca6e12b6ab979ed4c9
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SHA512
8e5042b331c60808ac6c4cc79f888eceb35478a06cd89de8977a7c83282861eaacb2adcd70e0431a1525bb8edd68918b056cd6099569d42be13c86d09783c615
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SSDEEP
12288:1rAEtSq41AlJzRM+hAxPa3lRgG6xZxzyVLehCFBAx:1rAEYq4WfdMLNa1U/zy1ehCvA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.jamonescasadomingo.es - Port:
587 - Username:
[email protected] - Password:
Casadomingo74 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
Processes:
caspol.exeTordenbygen72.exedescription ioc process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe caspol.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Tordenbygen72.exe -
Loads dropped DLL 2 IoCs
Processes:
Tordenbygen72.exepid process 4788 Tordenbygen72.exe 4788 Tordenbygen72.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
caspol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 59 api.ipify.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
caspol.exepid process 2636 caspol.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
Tordenbygen72.execaspol.exepid process 4788 Tordenbygen72.exe 2636 caspol.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Tordenbygen72.exedescription pid process target process PID 4788 set thread context of 2636 4788 Tordenbygen72.exe caspol.exe -
Drops file in Program Files directory 1 IoCs
Processes:
Tordenbygen72.exedescription ioc process File opened for modification C:\Program Files (x86)\Common Files\Desorienteringen\Anmrke\Engallant\Farvede.ini Tordenbygen72.exe -
Drops file in Windows directory 1 IoCs
Processes:
Tordenbygen72.exedescription ioc process File opened for modification C:\Windows\tingsliggre\Kidnapped\Oceanside\Domkirken.Ren Tordenbygen72.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
Tordenbygen72.exepid process 4788 Tordenbygen72.exe 4788 Tordenbygen72.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
caspol.exedescription pid process Token: SeDebugPrivilege 2636 caspol.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
Tordenbygen72.exedescription pid process target process PID 4788 wrote to memory of 4648 4788 Tordenbygen72.exe caspol.exe PID 4788 wrote to memory of 4648 4788 Tordenbygen72.exe caspol.exe PID 4788 wrote to memory of 4648 4788 Tordenbygen72.exe caspol.exe PID 4788 wrote to memory of 2636 4788 Tordenbygen72.exe caspol.exe PID 4788 wrote to memory of 2636 4788 Tordenbygen72.exe caspol.exe PID 4788 wrote to memory of 2636 4788 Tordenbygen72.exe caspol.exe PID 4788 wrote to memory of 2636 4788 Tordenbygen72.exe caspol.exe -
outlook_office_path 1 IoCs
Processes:
caspol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe -
outlook_win_path 1 IoCs
Processes:
caspol.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 caspol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Tordenbygen72.exe"C:\Users\Admin\AppData\Local\Temp\Tordenbygen72.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\Tordenbygen72.exe"2⤵PID:4648
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\Tordenbygen72.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2636
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD59625d5b1754bc4ff29281d415d27a0fd
SHA180e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b
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Filesize
11KB
MD59625d5b1754bc4ff29281d415d27a0fd
SHA180e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b
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Filesize
11KB
MD59625d5b1754bc4ff29281d415d27a0fd
SHA180e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b