Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
08-04-2024 01:17
Static task
static1
Behavioral task
behavioral1
Sample
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe
Resource
win10v2004-20231215-en
General
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Target
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe
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Size
635KB
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MD5
38119066372f48de19e43a2664c0289d
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SHA1
20db4f6c76b733bc2fb10c7f170c3f3de2f3e8ea
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SHA256
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342
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SHA512
7aa06010d4f5e5fdec3f1b60680ae4b9ead8c43dc4a2ebe42e8cc2e60bc10014ffdd8504b71b4d5ef46f21421fee7e217c1c75f015c6847a55f6e8219417a596
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SSDEEP
12288:WlPloOJRYWq25Q93vEIdu+6RytEEbU+pOS7O51pny5/sH0Z0YXdqipb0b92wj7zl:g9oOJbX8fztPbZoxXpny5/NZ0mqpb8Cl
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.karpackkasa.com - Port:
587 - Username:
[email protected] - Password:
s+Cy(S[tx4MC - 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 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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exedescription pid Process procid_target PID 1916 set thread context of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exepowershell.exepid Process 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 2492 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 2492 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 2532 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exepowershell.exedescription pid Process Token: SeDebugPrivilege 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe Token: SeDebugPrivilege 2492 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe Token: SeDebugPrivilege 2532 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exepid Process 2492 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exedescription pid Process procid_target PID 1916 wrote to memory of 2532 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 28 PID 1916 wrote to memory of 2532 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 28 PID 1916 wrote to memory of 2532 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 28 PID 1916 wrote to memory of 2532 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 28 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29 PID 1916 wrote to memory of 2492 1916 8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916 -
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\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532
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C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2492
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