Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
12-06-2024 02:07
Static task
static1
Behavioral task
behavioral1
Sample
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe
Resource
win10v2004-20240508-en
General
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Target
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe
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Size
639KB
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MD5
fa20ff9c5380516b8755de1b2ab0b15e
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SHA1
3ebbea075575853586c51f27e642c79a0b148e87
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SHA256
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb
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SHA512
8fda98c8d33586f2753cb072ddadb0ed7ea83c9e1139c51d348896b164bc7d8f60f25499fd07b8b72b30eb1f0681672571bb734aebd4fad7bf7314159632849a
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SSDEEP
12288:wp3W8nlD63T8RxdBEmARYNMZgx0+uk87cIxbeJm5h/+wCpb3/Tpqzuv+ENLn0:wRW8VBpDARYqZ20+ur7hKm5J+Dp/Fku2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pakdisco.com - Port:
587 - Username:
[email protected] - Password:
Pakdis123@ - 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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Processes:
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
jsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\IPYlgv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IPYlgv\\IPYlgv.exe" jsc.exe -
Processes:
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exedescription pid process target process PID 1684 set thread context of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exejsc.exepid process 2928 powershell.exe 2576 jsc.exe 2576 jsc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exejsc.exedescription pid process Token: SeDebugPrivilege 2928 powershell.exe Token: SeDebugPrivilege 2576 jsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
jsc.exepid process 2576 jsc.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exedescription pid process target process PID 1684 wrote to memory of 2928 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe powershell.exe PID 1684 wrote to memory of 2928 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe powershell.exe PID 1684 wrote to memory of 2928 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe powershell.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2576 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe jsc.exe PID 1684 wrote to memory of 2704 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe WerFault.exe PID 1684 wrote to memory of 2704 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe WerFault.exe PID 1684 wrote to memory of 2704 1684 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe WerFault.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe"C:\Users\Admin\AppData\Local\Temp\5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe"1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1684 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5fcf51d8f789ac7b52a3a3c8a134663483710fcde461ed101e87708282b673fb.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2928 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2576 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1684 -s 7722⤵PID:2704
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1