Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
19/07/2023, 12:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
yyy.exe
Resource
win7-20230712-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
yyy.exe
Resource
win10v2004-20230703-en
9 signatures
150 seconds
General
- Target yyy.exe
- Size 616KB
- Sample230719-pg6pdsed43
- SHA256 0cef466011ca31b7a4df0482271b4e270de1b1194d0f16bcc98b391c04abd017
- MD5 5d9643e6404ec3e79d94a64038005dab
- SHA1 de8c7dd89700c1e1c94b4a72fef077c8fd6cda1d
- SHA512 99cb73acc0fd2bf065974efbf5c97a7f28bcdc60eb633e4de34683d74382c0eb3dacdc66e6172336123caa05966a7bfbcabd1dd22ab3e7423c868d19ae57efa2
- SSDEEP 12288:VWmRmTscquOTvGhKv6MYRnGGMoL+f00I2ijB1kEQz:VrujOTuGG9+f00ZgB4z
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.autocraft-qlobal.com
-
Port
587
-
Username
-
Password
bless ing2023
-
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-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\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 36 api.ipify.org 37 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 228 set thread context of 2356 228 yyy.exe 95 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 228 yyy.exe 2356 RegSvcs.exe 2356 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 228 yyy.exe Token: SeDebugPrivilege 2356 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 PID 228 wrote to memory of 2356 228 yyy.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\yyy.exe"C:\Users\Admin\AppData\Local\Temp\yyy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228 -
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:2356
-