Analysis
- max time kernel
138s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2023, 07:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
payment slip.exe
Resource
win7-20230712-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
payment slip.exe
Resource
win10v2004-20230703-en
9 signatures
150 seconds
General
- Target payment slip.exe
- Size 621KB
- Sample230725-jcdj6acb3s
- SHA256 0ef8f46933f6388ca0374cda300f534802a54343ecade5f00d9cf2f9a6485638
- MD5 fbe5a2f3ea2e2cdf2af388564c4f33cc
- SHA1 638fe2c8aa837e20966e2fb1166caa38ec85c387
- SHA512 cd5045595e2597a3237b39090708b78437a94f5c3c3a4e0cd0b033f96154ceafc828418d30d27493e1e1a1e0185210ab5cad0d820a7431aef08e21360e4dbca8
- SSDEEP 12288:SyPrGwKTAYc/A9SD0Lh3zAkUBnoZmYGrKatri9IMW5EL3:Pk4AVV0OZArjtrTM
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
sh003.webhostbox.net
-
Port
587
-
Username
-
Password
bl e ss ing 2 0 2 3
-
Email to
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-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 53 api.ipify.org 52 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2512 set thread context of 4296 2512 payment slip.exe 100 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2512 payment slip.exe 4296 RegSvcs.exe 4296 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2512 payment slip.exe Token: SeDebugPrivilege 4296 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 PID 2512 wrote to memory of 4296 2512 payment slip.exe 100 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment slip.exe"C:\Users\Admin\AppData\Local\Temp\payment slip.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4296
-