Analysis
-
max time kernel
70s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/01/2023, 07:04
Static task
static1
Behavioral task
behavioral1
Sample
63d8c6d5aa91ded15e59599571aff23a5713be59.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
63d8c6d5aa91ded15e59599571aff23a5713be59.exe
Resource
win10v2004-20221111-en
General
-
Target
63d8c6d5aa91ded15e59599571aff23a5713be59.exe
-
Size
783KB
-
MD5
9bd05e2bf750cef915157ceebf7478cb
-
SHA1
63d8c6d5aa91ded15e59599571aff23a5713be59
-
SHA256
9a925e5f7a296bce2b8c8a0f84fbc2eb25567569586e7deac35ae8290589eb08
-
SHA512
7c1290b3ddacb7396412341b75645de045158d51c8f3b6af4b0e76efa587dace542faa0d794b041ae2b5d60e9a9aef37137b634421ba8f2967ee98a5a28e8b08
-
SSDEEP
12288:G22ULyS1sOE7Gks45yfO/xIVulhbaL7ZemY:GoyS1sVGke6qol9aXZPY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.clipjoint.co.nz - Port:
587 - Username:
[email protected] - Password:
melandloz64 - Email To:
[email protected]
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\LIhMQ = "C:\\Users\\Admin\\AppData\\Roaming\\LIhMQ\\LIhMQ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 108 set thread context of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1756 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 1712 RegSvcs.exe 1712 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe Token: SeDebugPrivilege 1712 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1712 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 108 wrote to memory of 1756 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 27 PID 108 wrote to memory of 1756 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 27 PID 108 wrote to memory of 1756 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 27 PID 108 wrote to memory of 1756 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 27 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 PID 108 wrote to memory of 1712 108 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\63d8c6d5aa91ded15e59599571aff23a5713be59.exe"C:\Users\Admin\AppData\Local\Temp\63d8c6d5aa91ded15e59599571aff23a5713be59.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:108 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HiHvTkZZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84F9.tmp"2⤵
- Creates scheduled task(s)
PID:1756
-
-
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
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1712
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD56b0aee6bbd7b885ef4a799a4dbe2b935
SHA11c32f55f1fd6bed2478d3d9c9dc8d7afc1fb2e9a
SHA256ce99076adb4321ebb0b71e6c16a6f8027e322614d31d82e982095ed2a7aa62e8
SHA512c5f2e067ba3f98d6f6aeb236fd23be0a586969c3688d8357b73ba5d7a64b9c4f8dba3f1cc2ff3f5f86e54ea7dcd64a3eaa4ed88c8c7412e87f62928583b1460a