Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
29-09-2024 08:03
Static task
static1
Behavioral task
behavioral1
Sample
purchase order oct_20_80373592_80373595.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
purchase order oct_20_80373592_80373595.exe
Resource
win10v2004-20240802-en
General
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Target
purchase order oct_20_80373592_80373595.exe
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Size
564KB
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MD5
70a3002b8a40775f4856fc2cc8330b84
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SHA1
eef7bac7da1d3a40f6222ddfc08962db40c0e385
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SHA256
8dc9d32f21b231d0d1ed00ff04eae170eb680034e4079db1f6e17079ab5aa2f9
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SHA512
f5303e7f3f96a4b7935a7d3702ced2d37b862181b574e368e9f9351fdb4180034528c3b53dbfd6fb66836caeb9edb5d6fd21872a78a2abe9565a4ed09a788193
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SSDEEP
12288:ZHDOTk3cUdLMzEpwrrO+hZcNWWFXxwYOwU98:ZXs2ppB+hZcwWNxWwv
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
solo09052449116
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2896-18-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2896-22-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2896-20-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2896-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2896-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe cmd.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe cmd.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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order oct_20_80373592_80373595.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order oct_20_80373592_80373595.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order oct_20_80373592_80373595.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2084 set thread context of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language purchase order oct_20_80373592_80373595.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language purchase order oct_20_80373592_80373595.exe -
Suspicious behavior: EnumeratesProcesses 46 IoCs
pid Process 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2084 purchase order oct_20_80373592_80373595.exe 2896 purchase order oct_20_80373592_80373595.exe 2896 purchase order oct_20_80373592_80373595.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2896 purchase order oct_20_80373592_80373595.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2084 purchase order oct_20_80373592_80373595.exe Token: SeDebugPrivilege 2896 purchase order oct_20_80373592_80373595.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2896 purchase order oct_20_80373592_80373595.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2844 2084 purchase order oct_20_80373592_80373595.exe 30 PID 2084 wrote to memory of 2844 2084 purchase order oct_20_80373592_80373595.exe 30 PID 2084 wrote to memory of 2844 2084 purchase order oct_20_80373592_80373595.exe 30 PID 2084 wrote to memory of 2844 2084 purchase order oct_20_80373592_80373595.exe 30 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 PID 2084 wrote to memory of 2896 2084 purchase order oct_20_80373592_80373595.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order oct_20_80373592_80373595.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order oct_20_80373592_80373595.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe"2⤵
- Drops startup file
- System Location Discovery: System Language Discovery
PID:2844
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C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1