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Analysis
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max time kernel
134s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2024, 05:37
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATIONS#08673.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
QUOTATIONS#08673.exe
Resource
win10v2004-20240802-en
General
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Target
QUOTATIONS#08673.exe
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Size
1.2MB
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MD5
d0bb7d340bff9aec49a0100c6bcefa92
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SHA1
d69b9cbe92828988f0febbea845f24baf4c13734
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SHA256
0dd6ddb0a8533acebc288eff371234e39347f9e304dcf168643699aefb9925ea
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SHA512
74d9b4bf6d7e27e576157aab0dc70b905244495f6b44875ad4136d73d8b55a34e8b1052b9f047fe5499333427154f5ee743d1c511f3ae1688871a234b15900fa
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SSDEEP
24576:+Y2wkacr0/40yb/UG7r2+u16V3aKF7Qvww:+YKtrHT4EV37p
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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" InstallUtil.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 42 api.ipify.org 43 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3200 set thread context of 4644 3200 QUOTATIONS#08673.exe 94 -
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 QUOTATIONS#08673.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 3200 QUOTATIONS#08673.exe 3200 QUOTATIONS#08673.exe 3200 QUOTATIONS#08673.exe 3200 QUOTATIONS#08673.exe 3200 QUOTATIONS#08673.exe 4644 InstallUtil.exe 4644 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3200 QUOTATIONS#08673.exe Token: SeDebugPrivilege 4644 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4644 InstallUtil.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 1576 3200 QUOTATIONS#08673.exe 93 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94 PID 3200 wrote to memory of 4644 3200 QUOTATIONS#08673.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08673.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08673.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵PID:1576
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:4644
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