Analysis
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max time kernel
103s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 06:37
Static task
static1
Behavioral task
behavioral1
Sample
PI#102087.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
PI#102087.exe
Resource
win10v2004-20220812-en
General
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Target
PI#102087.exe
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Size
651KB
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MD5
505852f2cd67a14131d2d6e927d92889
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SHA1
a7062897a84533c30705eb6667d352c78a43b9f6
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SHA256
8e6fe812e3f4a19a51a0978e9c47e2cdb891f1feecb0a7ae2c1eff744c971371
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SHA512
49709821545b0fb4e7c12ebee2382258def6f5ad9025c91d1ce28bd02b961d8f7c0aed47d2d1a866d5636643d9f13e5a561c872e06e758af2f2f148180bd7585
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SSDEEP
12288:sFTYIvM3zrbETClyHskFgFwIyXCDmVRSmMSwOQkL7AiGSdrZOOP55U9smC7B4s:6dU376CoskFgqIyXxv/kiPpZFbU9smCr
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PI#102087.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation PI#102087.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
Processes:
PI#102087.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI#102087.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI#102087.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI#102087.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.
Processes:
flow ioc 43 api.ipify.org 44 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PI#102087.exedescription pid process target process PID 1164 set thread context of 1048 1164 PI#102087.exe PI#102087.exe -
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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PI#102087.exePI#102087.exepid process 1164 PI#102087.exe 1048 PI#102087.exe 1048 PI#102087.exe 1048 PI#102087.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PI#102087.exePI#102087.exedescription pid process Token: SeDebugPrivilege 1164 PI#102087.exe Token: SeDebugPrivilege 1048 PI#102087.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PI#102087.exepid process 1048 PI#102087.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
PI#102087.exedescription pid process target process PID 1164 wrote to memory of 1004 1164 PI#102087.exe schtasks.exe PID 1164 wrote to memory of 1004 1164 PI#102087.exe schtasks.exe PID 1164 wrote to memory of 1004 1164 PI#102087.exe schtasks.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe PID 1164 wrote to memory of 1048 1164 PI#102087.exe PI#102087.exe -
outlook_office_path 1 IoCs
Processes:
PI#102087.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI#102087.exe -
outlook_win_path 1 IoCs
Processes:
PI#102087.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI#102087.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PI#102087.exe"C:\Users\Admin\AppData\Local\Temp\PI#102087.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZqcivZeoGSZA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC61.tmp"2⤵
- Creates scheduled task(s)
PID:1004 -
C:\Users\Admin\AppData\Local\Temp\PI#102087.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1048
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
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Filesize
1KB
MD5eef125b0b71bfdad77e20cd22962ceb1
SHA1a69b07e8581c79e4f013fb2ea7142bff21b256c7
SHA2560e47bf94b85bb2e6abc5f07e88e3ba2810ce0155ddfea8fd3443935a620e9e69
SHA512b80c93c3810c66ce0779f710647570af18aa59e00eac0aaeb4d52a0b95a411b9e4aa75246fff6ec4a3ab61c372a7c5eb5abee825337e8d842467c9c805c91ed7