Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
03/10/2022, 08:00
Static task
static1
Behavioral task
behavioral1
Sample
227c17af92250eb0bdf0699aa960da49.exe
Resource
win7-20220901-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
227c17af92250eb0bdf0699aa960da49.exe
Resource
win10v2004-20220901-en
10 signatures
150 seconds
General
- Target 227c17af92250eb0bdf0699aa960da49.exe
- Size 563KB
- Sample221003-jv1seaffdr
- SHA256 0c62abe574a6b360a940fc43ecae0993eb52715bac6208ea56e2de5e1bc5892b
- MD5 227c17af92250eb0bdf0699aa960da49
- SHA1 d61972c27c1c527e4045b8ae02bee2cecc1f0e1c
- SHA512 2f63af39b7f4c6e262f4ce6fa41392dcc81746562f0d3f2624ec51528450a337be02739d046dd9062e0bc81a4c1bcbecee7adecdb434b119ad708aab07acf017
- SSDEEP 12288:kErC2iNx04jcS2r4LRzx/T/xtznCqpTBaGNCAkQvlBhCTet:LG1/07r4fr/xt7CuUGhvhx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/3452-138-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - 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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1520 set thread context of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1520 227c17af92250eb0bdf0699aa960da49.exe 3452 RegSvcs.exe 3452 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1520 227c17af92250eb0bdf0699aa960da49.exe Token: SeDebugPrivilege 3452 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 PID 1520 wrote to memory of 3452 1520 227c17af92250eb0bdf0699aa960da49.exe 97 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\227c17af92250eb0bdf0699aa960da49.exe"C:\Users\Admin\AppData\Local\Temp\227c17af92250eb0bdf0699aa960da49.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3452
-