Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 11:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
malw.exe
Resource
win7-20240729-en
windows7-x64
7 signatures
150 seconds
General
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Target
malw.exe
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Size
799KB
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MD5
93c25551aced91a643d24278fa103d17
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SHA1
1eba6cee3daa1e5820e7d9148662ca2bd41f71d5
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SHA256
b7b22e06abaaf27a5fb791990312a3a5cee1546433ea055d3341a826b003da09
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SHA512
fb7be5912639366a36bc5f45f045015889e5a1f0696f7c32a305827d280991dd896e7e6098cfb7065feeb8876eb7eda01fa33c0c6ad395e675a2b28ddffdce9f
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SSDEEP
24576:KTd82SXRRIyaQ6aw7lUESJVufn/VgvVY:CXSBgOQzSr
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
webmail.anagennisi-sa.gr - Port:
587 - Username:
[email protected] - Password:
Smiliotopoulou - 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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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 39 api.ipify.org 40 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3332 set thread context of 2616 3332 malw.exe 93 -
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 malw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4620 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3332 malw.exe 3332 malw.exe 3332 malw.exe 2616 InstallUtil.exe 2616 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3332 malw.exe Token: SeDebugPrivilege 2616 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93 PID 3332 wrote to memory of 2616 3332 malw.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\malw.exe"C:\Users\Admin\AppData\Local\Temp\malw.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\passwrds.txt1⤵
- Opens file in notepad (likely ransom note)
PID:4620