Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 03:34
Static task
static1
Behavioral task
behavioral1
Sample
ego.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ego.exe
Resource
win10v2004-20240910-en
General
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Target
ego.exe
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Size
1.1MB
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MD5
0a81ce0a1b317625cc55e2f68bef7b94
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SHA1
63391d5644886111ad206fc0f71974fa2ae79197
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SHA256
b5efb5f0b24cb7cd10a6a02d0d0661e9ea277d6997e76691fc6065da23208338
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SHA512
23cdd0b77fa9f24ff03d7cf1371de6620a18230901395dcde8b797901b4906985343dfe7c89a8b42ebff91ddcfdae913d1b4112817d30da04dfe0b38fa9664ff
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SSDEEP
24576:uRmJkcoQricOIQxiZY1iaCJyqWHUztNNa37DBiZ1YTe:7JZoQrbTFZY1iaCiOLard9e
Malware Config
Extracted
Protocol: smtp- Host:
techniqueqatar.com - Port:
587 - Username:
[email protected] - Password:
TechFB2023$$$
Extracted
agenttesla
Protocol: smtp- Host:
techniqueqatar.com - Port:
587 - Username:
[email protected] - Password:
TechFB2023$$$ - 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aWUFv = "C:\\Users\\Admin\\AppData\\Roaming\\aWUFv\\aWUFv.exe" RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 25 ip-api.com 23 api.ipify.org 24 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5020 set thread context of 1608 5020 ego.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1688 5020 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ego.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1608 RegSvcs.exe 1608 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5020 ego.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1608 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe 5020 ego.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1608 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5020 wrote to memory of 1608 5020 ego.exe 91 PID 5020 wrote to memory of 1608 5020 ego.exe 91 PID 5020 wrote to memory of 1608 5020 ego.exe 91 PID 5020 wrote to memory of 1608 5020 ego.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\ego.exe"C:\Users\Admin\AppData\Local\Temp\ego.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ego.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 8362⤵
- Program crash
PID:1688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5020 -ip 50201⤵PID:4036