Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/03/2024, 01:48
Static task
static1
Behavioral task
behavioral1
Sample
EKSTRE.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
EKSTRE.exe
Resource
win10v2004-20240226-en
General
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Target
EKSTRE.exe
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Size
743KB
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MD5
0e1667b99c63fe9538224c067cc27e14
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SHA1
63222f5bc43dbc5b8bcf5eaba253ab2db3601b0f
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SHA256
aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
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SHA512
a7776aa20b7581666bc49ffb168cb17b588c7833b07b3e011e250e87241deefa5bc87c91e528d03213358af48110e87dd890d2f908d86979be3dd9be3f485743
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SSDEEP
12288:sBtg6Z/jRu90UkSmo8ZgcfNI5LX+39uE0krgTT+bZQK3EP9dgNkR:JQ/jE9wojcfNIgNZEvE8ldJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.zqamcx.com - Port:
587 - Username:
[email protected] - Password:
Anambraeast@123 - 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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2144 set thread context of 2864 2144 EKSTRE.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2144 EKSTRE.exe 2864 EKSTRE.exe 2864 EKSTRE.exe 2456 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2144 EKSTRE.exe Token: SeDebugPrivilege 2864 EKSTRE.exe Token: SeDebugPrivilege 2456 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2864 EKSTRE.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2144 wrote to memory of 2456 2144 EKSTRE.exe 28 PID 2144 wrote to memory of 2456 2144 EKSTRE.exe 28 PID 2144 wrote to memory of 2456 2144 EKSTRE.exe 28 PID 2144 wrote to memory of 2456 2144 EKSTRE.exe 28 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30 PID 2144 wrote to memory of 2864 2144 EKSTRE.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\EKSTRE.exe"C:\Users\Admin\AppData\Local\Temp\EKSTRE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\EKSTRE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Users\Admin\AppData\Local\Temp\EKSTRE.exe"C:\Users\Admin\AppData\Local\Temp\EKSTRE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2864
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