Analysis
- max time kernel
67s - max time network
56s - platform
windows7_x64 - resource
win7-20220414-en - submitted
15/06/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
payment advice.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
payment advice.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target payment advice.exe
- Size 598KB
- Sample220615-hd2spshhap
- SHA256 7ee83946ce5ddeb9a566c77ad6fead265689b8a6a0ae24bd616c080e8bf00995
- MD5 86d8299daae60077d7eb7a24199d9711
- SHA1 a1077997f76ed00e2daf5795f8485f9a1da1dbdc
- SHA512 d4dac6af90fb24f8b231156222c18315b9430b4c7699f0349db8a7b040a293db36029ba9197410f728011caffa8a39f825f5dbf6af9607dd860bdab7a46629d5
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot5167639867:AAFp5rpwhccJwSR0NNRceLhFKcs218dT21U/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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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 1684 set thread context of 1548 1684 payment advice.exe 27 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1684 payment advice.exe 1684 payment advice.exe 1548 RegSvcs.exe 1548 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1684 payment advice.exe Token: SeDebugPrivilege 1548 RegSvcs.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 PID 1684 wrote to memory of 1548 1684 payment advice.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment advice.exe"C:\Users\Admin\AppData\Local\Temp\payment advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
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:1548
-