Analysis
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max time kernel
144s -
max time network
113s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07-12-2022 13:36
Static task
static1
Behavioral task
behavioral1
Sample
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe
Resource
win10v2004-20221111-en
General
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Target
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe
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Size
492KB
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MD5
09e1a3c55cbb5301bd7fd0999cc4258b
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SHA1
2cd3da7a201961bf063246579b11fcbad5774994
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SHA256
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69
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SHA512
1b8021949803303619b91964551a72d986ac703c36c1db336c636cf529e8cf26a4161c1f382f27f33ca7675e8f9667dc4c6b0670c50d824d37083dbbadcdcbe8
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SSDEEP
12288:g/64ce865hvybcRrJz2nHp31swuzv8LUpIvn:gpce865U4Rtk11s1T8D/
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.jackbarber.com - Port:
587 - Username:
[email protected] - Password:
mqvXXv,49r(* - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
CasPol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
CasPol.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\MY APP = "C:\\Users\\Admin\\AppData\\Roaming\\MY APP\\MY APP.exe" CasPol.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 5 api.ipify.org 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exedescription pid process target process PID 480 set thread context of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
CasPol.exepid process 1108 CasPol.exe 1108 CasPol.exe 1108 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exeCasPol.exedescription pid process Token: SeDebugPrivilege 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe Token: SeDebugPrivilege 1108 CasPol.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exedescription pid process target process PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe PID 480 wrote to memory of 1108 480 d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe CasPol.exe -
outlook_office_path 1 IoCs
Processes:
CasPol.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe"C:\Users\Admin\AppData\Local\Temp\d325d9ecd5d7b1e7871de63f0807aa53457f82985845a9a6a4e45c0102a9fa69.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:480 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/480-54-0x0000000000E80000-0x0000000000F00000-memory.dmpFilesize
512KB
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memory/480-55-0x00000000003B0000-0x000000000042E000-memory.dmpFilesize
504KB
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memory/480-56-0x0000000000B90000-0x0000000000C0C000-memory.dmpFilesize
496KB
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memory/480-57-0x0000000000D00000-0x0000000000D7A000-memory.dmpFilesize
488KB
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memory/1108-58-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1108-59-0x0000000000437C6E-mapping.dmp
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memory/1108-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1108-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1108-64-0x0000000074F01000-0x0000000074F03000-memory.dmpFilesize
8KB