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Analysis
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max time kernel
74s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
10/03/2023, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
AWB #3827747403.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
AWB #3827747403.exe
Resource
win10v2004-20230220-en
General
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Target
AWB #3827747403.exe
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Size
967KB
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MD5
85e3d11ed86882201474adead2d4b102
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SHA1
05348ce84bc06ef24aa4ac35ad35e80cb8725565
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SHA256
9bdb5db36a0d82f4cbdc06a3cec49c6ba164be2b7c62e236d3b4ee3c5ebd73a1
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SHA512
542ee81c4a37e0f531193e26ab13cec295f57b9656d49616216c7f6e44c254e4aadfa0b8917b270db0364086d83346939382d1be844df752ca989c2814031cac
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SSDEEP
12288:Z3yifFlLKHFjcsqUWv2ir0ZNKgjMOQKf5pV2cZD1+RLQT+OGzd70BmuFfJxUWbde:dyiFvTOKgIO7BD2cpdid70BDrSWbrc
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
marcellinus360
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\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.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2000 set thread context of 1032 2000 AWB #3827747403.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 472 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1768 powershell.exe 1032 RegSvcs.exe 1032 RegSvcs.exe 1032 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1768 powershell.exe Token: SeDebugPrivilege 1032 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1032 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2000 wrote to memory of 1768 2000 AWB #3827747403.exe 27 PID 2000 wrote to memory of 1768 2000 AWB #3827747403.exe 27 PID 2000 wrote to memory of 1768 2000 AWB #3827747403.exe 27 PID 2000 wrote to memory of 1768 2000 AWB #3827747403.exe 27 PID 2000 wrote to memory of 472 2000 AWB #3827747403.exe 29 PID 2000 wrote to memory of 472 2000 AWB #3827747403.exe 29 PID 2000 wrote to memory of 472 2000 AWB #3827747403.exe 29 PID 2000 wrote to memory of 472 2000 AWB #3827747403.exe 29 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 PID 2000 wrote to memory of 1032 2000 AWB #3827747403.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AWB #3827747403.exe"C:\Users\Admin\AppData\Local\Temp\AWB #3827747403.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vUIJPhtxAlbHr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1768
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vUIJPhtxAlbHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBD8.tmp"2⤵
- Creates scheduled task(s)
PID:472
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1032
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD51bcdfe55e70845afd870031c2a0c8fd0
SHA1804db570905dda7ec2b3ea10be32a1cb3604906e
SHA25608ce5082e457ed1e36965ffba0545c2e5dda0c6c5f4dcb6cda20c02b8853b8b3
SHA512e34b8814f76bbed6dc474896a575b24e4df3a9a6754ab492b40f9c1ec9919d9022a7de24697a35b71b14a78bda04835420455cffaf9f1e1788678ee3a3052bff