Analysis
- max time kernel
147s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/11/2022, 03:18
Static task
static1
Behavioral task
behavioral1
Sample
RFQ11132022-SOEC.exe
Resource
win7-20220812-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
RFQ11132022-SOEC.exe
Resource
win10v2004-20220812-en
11 signatures
150 seconds
General
- Target RFQ11132022-SOEC.exe
- Size 509KB
- Sample221115-dtln7sbb2v
- SHA256 fcaf490e6ee9254f89eecbce2dd1dfa355e450c30a8648e7db43db4c5e9e434d
- MD5 3658c7ca2a9b3772906f1b5302cb9d6a
- SHA1 927325caa14d2c8c02f66ac9379c437b2b2f8b39
- SHA512 18ebbe3dec6d7c4b5ce0577b49f99ed5fd77edb163d485773644998c859e73f24398c4950cdb32b0d570bd4426b287fa4df161a22296b836e8283b6a7f16596b
- SSDEEP 12288:pBatuwVeMsI+7otGSHxOY4P04gk/SYEyPjNC:pBat3+mHxYMEqYE2o
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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agenttesla
Credentials
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Protocol
ftp
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Host
ftp://ftp.electrobist.com
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Port
21
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Username
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Password
w&oNc9e]pf~4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.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 14 api.ipify.org 15 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3060 set thread context of 4856 3060 RFQ11132022-SOEC.exe 81 - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 3060 RFQ11132022-SOEC.exe 3060 RFQ11132022-SOEC.exe 3060 RFQ11132022-SOEC.exe 3060 RFQ11132022-SOEC.exe 4856 CasPol.exe 4856 CasPol.exe 4856 CasPol.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3060 RFQ11132022-SOEC.exe Token: SeDebugPrivilege 4856 CasPol.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4856 CasPol.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3060 wrote to memory of 2640 3060 RFQ11132022-SOEC.exe 79 PID 3060 wrote to memory of 2640 3060 RFQ11132022-SOEC.exe 79 PID 3060 wrote to memory of 2640 3060 RFQ11132022-SOEC.exe 79 PID 3060 wrote to memory of 3760 3060 RFQ11132022-SOEC.exe 80 PID 3060 wrote to memory of 3760 3060 RFQ11132022-SOEC.exe 80 PID 3060 wrote to memory of 3760 3060 RFQ11132022-SOEC.exe 80 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 PID 3060 wrote to memory of 4856 3060 RFQ11132022-SOEC.exe 81 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ11132022-SOEC.exe"C:\Users\Admin\AppData\Local\Temp\RFQ11132022-SOEC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵PID:2640
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵PID:3760
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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
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4856
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