Analysis
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max time kernel
143s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 13:01
Static task
static1
Behavioral task
behavioral1
Sample
Revised Inv with new bank details.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Revised Inv with new bank details.exe
Resource
win10v2004-20230915-en
General
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Target
Revised Inv with new bank details.exe
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Size
658KB
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MD5
bf47a7f7a4bca87822a426c3e0d97db3
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SHA1
6ad4e41047050dd6d761c4d719f4275292caa050
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SHA256
2adced1fcc20537c8781ffc85614ea22378125595dbf77dd7403dde711048c89
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SHA512
23dee2080a164495713bb9ef4ee7a0ea5ab2f500eef8523c218770d5d3b26d5a43ddea655536d6d024da26e518fd10a30cc291cb0d663dcd61a543607f367732
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SSDEEP
12288:cQbqNMnUTAxxJq/O7XSdFLSYAJTumnsRUqALhxuEl5zhtxxvpVRnOJTEB:c7NLYxJGOT6FLSYxqcshxuEl5zhtxxvd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.rniles.com - Port:
587 - Username:
[email protected] - Password:
godgrace@1234 - 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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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions Revised Inv with new bank details.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools Revised Inv with new bank details.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Revised Inv with new bank details.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Revised Inv with new bank details.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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation Revised Inv with new bank details.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Revised Inv with new bank details.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Revised Inv with new bank details.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Revised Inv with new bank details.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 34 api.ipify.org 35 api.ipify.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Revised Inv with new bank details.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Revised Inv with new bank details.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1948 set thread context of 3244 1948 Revised Inv with new bank details.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2156 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1948 Revised Inv with new bank details.exe 3244 Revised Inv with new bank details.exe 3244 Revised Inv with new bank details.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1948 Revised Inv with new bank details.exe Token: SeDebugPrivilege 3244 Revised Inv with new bank details.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1948 wrote to memory of 2156 1948 Revised Inv with new bank details.exe 92 PID 1948 wrote to memory of 2156 1948 Revised Inv with new bank details.exe 92 PID 1948 wrote to memory of 2156 1948 Revised Inv with new bank details.exe 92 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 PID 1948 wrote to memory of 3244 1948 Revised Inv with new bank details.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Revised Inv with new bank details.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Revised Inv with new bank details.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Revised Inv with new bank details.exe"C:\Users\Admin\AppData\Local\Temp\Revised Inv with new bank details.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FqtZmOdKSdYUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA43.tmp"2⤵
- Creates scheduled task(s)
PID:2156
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C:\Users\Admin\AppData\Local\Temp\Revised Inv with new bank details.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3244
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Revised Inv with new bank details.exe.log
Filesize1KB
MD5b9c0a8d307d2056afe52ab5ac930ad31
SHA1beb07bcc99c023f3ba5dc346b3cb7a4918fb9ca9
SHA256684a979a9f096ab46edba42c3949435c770dc259b8fb5040e94e071f0a7424b5
SHA512b2029e416159af2b4b854ca26e208da3d520d835350617f8cdec8a4c67d88748adcc0aa8ed7db48e4ed51fd5c04c3ccf8b3b6f514f834e19a7a3ec8b76381698
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Filesize
1KB
MD57ba163c0c21baef000a0d6cdaa51701a
SHA172976911280005e12d39a7e4a4a36a21a6063f0c
SHA25655bcafbbe736546e8d5299c168fc42915266c55fa75bfcf0c1fb055596539ee9
SHA5127f6bf773e721cbcb9d4f65492674e9fc7b09e265d16607a19f979066aa5c381705d904410693f50506225f61ad5e486410977df2928e5132d94d4ed9352fc253