Analysis
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max time kernel
144s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 05:18
Static task
static1
Behavioral task
behavioral1
Sample
Order 911799 - EM092722.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Order 911799 - EM092722.exe
Resource
win10v2004-20220812-en
General
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Target
Order 911799 - EM092722.exe
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Size
479KB
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MD5
705c1bddf0a01f9b7c32b5ede6e64ed1
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SHA1
43daf76d2701e02ca64d73a77c8de0c3d318c240
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SHA256
5b65bd3beffa01f08710d696c4011d321846c81ff8248e31ce9c4bc933a54d39
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SHA512
584c1243afd6df208878b9e2d6440018d52c1848c82fe938038d8f898e4b0ea2f9b478d22cc03230af0da34639a2b0a01de2f9d99492236527071a0e3f1cb130
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SSDEEP
12288:dL2Nnm0bT86Nlb2vbchfsC+mURes2nomyqGYt3FWzAh:dqlBb1mY+Qs2omyqGYt3FWzAh
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
webmail.corsinitravel.com - Port:
587 - Username:
[email protected] - Password:
Corsinikarisma2019 - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\App = "C:\\Users\\Admin\\AppData\\Roaming\\App\\App.exe" CasPol.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 25 api.ipify.org 26 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4828 set thread context of 4632 4828 Order 911799 - EM092722.exe 79 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4828 Order 911799 - EM092722.exe 4828 Order 911799 - EM092722.exe 4632 CasPol.exe 4632 CasPol.exe 4632 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4828 Order 911799 - EM092722.exe Token: SeDebugPrivilege 4632 CasPol.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 PID 4828 wrote to memory of 4632 4828 Order 911799 - EM092722.exe 79 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Order 911799 - EM092722.exe"C:\Users\Admin\AppData\Local\Temp\Order 911799 - EM092722.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4632
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