Analysis
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max time kernel
104s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2024 09:20
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION#5400.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
QUOTATION#5400.exe
Resource
win10v2004-20241007-en
General
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Target
QUOTATION#5400.exe
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Size
1.1MB
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MD5
c2d989a867f925afc6940a7bad9aedee
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SHA1
111b0b6612f6a095815d5d73c85c703eacc39702
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SHA256
1d789cde86d7ca676b8897c2de561e20f61bd9cdd708be9da7a2d9304df0ee02
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SHA512
902b549b97f6e005386dfb29b0e31f29541a15c7ac8fcfb4ca1b05697be4084ddf705a4d9629df23804c1b254396576d3677d32728d71f67696eb67673b52d74
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SSDEEP
24576:WfmMv6Ckr7Mny5Q6SfQVZj/8gzyALrh+XyD7eV:W3v+7/5Q6SfQb84h+CD6
Malware Config
Extracted
Protocol: ftp- Host:
ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
uy,o#mZj8$lY
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
uy,o#mZj8$lY
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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 16 api.ipify.org 17 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1144 set thread context of 1596 1144 QUOTATION#5400.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 QUOTATION#5400.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1596 RegSvcs.exe 1596 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1144 QUOTATION#5400.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1596 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1596 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1596 1144 QUOTATION#5400.exe 86 PID 1144 wrote to memory of 1596 1144 QUOTATION#5400.exe 86 PID 1144 wrote to memory of 1596 1144 QUOTATION#5400.exe 86 PID 1144 wrote to memory of 1596 1144 QUOTATION#5400.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATION#5400.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION#5400.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION#5400.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:1596
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