Analysis
- max time kernel
139s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
24/05/2022, 06:55
Static task
static1
Behavioral task
behavioral1
Sample
payment details.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
payment details.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target payment details.exe
- Size 677KB
- Sample220524-hpr3msbafn
- SHA256 9c91e4ad7f628daad6e529f0bd038ae3a6bf1c8bb402f24ebced1a97b78dc193
- MD5 7694bc16f8a7293234168e36ebd6ceba
- SHA1 448942bc4de2d70f6bf980f7cacaef27bb581520
- SHA512 ef40599c485e2ea776dd8a8b8ff146f6a95c8dceebb111c3a95ef6a553624eb4239ed179ef1f21b2e9e13943be7b038ab4cd4c961bde49660f6cf1e41e151c9e
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4048 set thread context of 1912 4048 payment details.exe 86 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4048 payment details.exe 4048 payment details.exe 1912 RegSvcs.exe 1912 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4048 payment details.exe Token: SeDebugPrivilege 1912 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4048 wrote to memory of 4664 4048 payment details.exe 85 PID 4048 wrote to memory of 4664 4048 payment details.exe 85 PID 4048 wrote to memory of 4664 4048 payment details.exe 85 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 PID 4048 wrote to memory of 1912 4048 payment details.exe 86 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment details.exe"C:\Users\Admin\AppData\Local\Temp\payment details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4664
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1912
-