Analysis
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max time kernel
78s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11-01-2023 13:05
Static task
static1
Behavioral task
behavioral1
Sample
a5102380ab2e18a46170b94277940e8568eaa2ab.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a5102380ab2e18a46170b94277940e8568eaa2ab.exe
Resource
win10v2004-20220901-en
General
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Target
a5102380ab2e18a46170b94277940e8568eaa2ab.exe
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Size
723KB
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MD5
d70b4cb4e031364f2feed4cd6a4832fd
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SHA1
a5102380ab2e18a46170b94277940e8568eaa2ab
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SHA256
e18b65850a6147b9ece9b7f2d8268303cdfa39c3c2ade801119f79191a6bc039
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SHA512
3f75b741f3ccac65be57524d3d65eada002d32ce0531f1d50bacc91a751a403de19c17402a0116bf058916eaa3b3c888c7fc980bd9d2a91a501d46e9fa02f9f0
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SSDEEP
12288:ERIOSw4qE4iVV/r7VWCWEErm+CAh7tT8WbFWFeUyZyZKd2fhc8gfzGY3c:iIOaqEZV/NWCWEE6ZS7tzvyZK0JFgfzC
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Da8@b!Gj!#zY4K
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1932 set thread context of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 -
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 1408 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 1916 RegSvcs.exe 1916 RegSvcs.exe 2016 powershell.exe 1916 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe Token: SeDebugPrivilege 1916 RegSvcs.exe Token: SeDebugPrivilege 2016 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1932 wrote to memory of 2016 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 28 PID 1932 wrote to memory of 2016 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 28 PID 1932 wrote to memory of 2016 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 28 PID 1932 wrote to memory of 2016 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 28 PID 1932 wrote to memory of 1408 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 30 PID 1932 wrote to memory of 1408 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 30 PID 1932 wrote to memory of 1408 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 30 PID 1932 wrote to memory of 1408 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 30 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 PID 1932 wrote to memory of 1916 1932 a5102380ab2e18a46170b94277940e8568eaa2ab.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5102380ab2e18a46170b94277940e8568eaa2ab.exe"C:\Users\Admin\AppData\Local\Temp\a5102380ab2e18a46170b94277940e8568eaa2ab.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CQUvzCBZioZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CQUvzCBZioZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp97FC.tmp"2⤵
- Creates scheduled task(s)
PID:1408
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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
- outlook_office_path
- outlook_win_path
PID:1916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD518a498b5a1c6a7e73f27a7bcf13f579e
SHA1900c510ee35fd04eaa78c989dc47cb98e830bd44
SHA2564a4e30828489dee823d28563e7707dd77aff9ab34fcfef30e679ff34109a2403
SHA51293dbb90c48116d2292ce0d44c42b02581c7d6a73448d22f0276b37e87cfbc910cce0a2b2a9d300aec30d079fb69ca2a2ece10aa8b3c88002736e5bd771a9bfd1