Analysis
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max time kernel
112s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2023 07:20
Static task
static1
Behavioral task
behavioral1
Sample
63d8c6d5aa91ded15e59599571aff23a5713be59.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
63d8c6d5aa91ded15e59599571aff23a5713be59.exe
Resource
win10v2004-20220901-en
General
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Target
63d8c6d5aa91ded15e59599571aff23a5713be59.exe
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Size
783KB
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MD5
9bd05e2bf750cef915157ceebf7478cb
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SHA1
63d8c6d5aa91ded15e59599571aff23a5713be59
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SHA256
9a925e5f7a296bce2b8c8a0f84fbc2eb25567569586e7deac35ae8290589eb08
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SHA512
7c1290b3ddacb7396412341b75645de045158d51c8f3b6af4b0e76efa587dace542faa0d794b041ae2b5d60e9a9aef37137b634421ba8f2967ee98a5a28e8b08
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SSDEEP
12288:G22ULyS1sOE7Gks45yfO/xIVulhbaL7ZemY:GoyS1sVGke6qol9aXZPY
Malware Config
Extracted
Protocol: smtp- Host:
mail.clipjoint.co.nz - Port:
587 - Username:
[email protected] - Password:
melandloz64
Extracted
agenttesla
Protocol: smtp- Host:
mail.clipjoint.co.nz - Port:
587 - Username:
[email protected] - Password:
melandloz64 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 63d8c6d5aa91ded15e59599571aff23a5713be59.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 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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 632 set thread context of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4740 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 4320 RegSvcs.exe 4320 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe Token: SeDebugPrivilege 4320 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4320 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 632 wrote to memory of 4740 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 89 PID 632 wrote to memory of 4740 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 89 PID 632 wrote to memory of 4740 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 89 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 PID 632 wrote to memory of 4320 632 63d8c6d5aa91ded15e59599571aff23a5713be59.exe 91 -
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
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C:\Users\Admin\AppData\Local\Temp\63d8c6d5aa91ded15e59599571aff23a5713be59.exe"C:\Users\Admin\AppData\Local\Temp\63d8c6d5aa91ded15e59599571aff23a5713be59.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HiHvTkZZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FEC.tmp"2⤵
- Creates scheduled task(s)
PID:4740
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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:4320
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD53f549c7ddfbc38f8c0f0fba113cda4a8
SHA122a783d635f0eeec973c1b0fe6264f65968bb2f9
SHA256d4d1b9677272426c1657e726c9c99b4f73ce3b3db08a12b315e4e4e35d7f6028
SHA512bcdd97889eabe8212654cf85e0645e8d65b958d524a79eef86fecd755e14ac2b61ac009bd404c8a7f830882257476ff3b82d3fff65491b4ba5e896efd9211e12