Analysis
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max time kernel
126s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07-09-2024 02:10
Static task
static1
Behavioral task
behavioral1
Sample
XHuCx44EKW9FOqC.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
XHuCx44EKW9FOqC.exe
Resource
win10v2004-20240802-en
General
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Target
XHuCx44EKW9FOqC.exe
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Size
745KB
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MD5
a138b9902e7e660f28365168cf9bb99b
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SHA1
05baf05bb1dc0d5042f92842949601dbae7a2d69
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SHA256
5d9938c5f5b37b02eba6c35969a6e8a9b58f63c38e0381e267bb1809dec2ba23
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SHA512
4f2f840730a03fdc00c7dce6570fac6b7b598b606a6503b839a465db5e6117c846a648fbef430a4cddcac25e91b278c2983530ba4ff6b8ff515ffe24bc99a7d6
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SSDEEP
12288:FzcYv2tasGHW8WeO7Ng4A412B4cxDv0NMS5K0G6TRqZeJdx+V7lc3lOFHz:FRutasoW8iJe41PcxDvsi0GyRqUrMV5R
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.indiaflanges.com - Port:
587 - Username:
[email protected] - Password:
dvdxq;nx{(MV5@m
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/2924-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2924-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2924-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2924-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2924-9-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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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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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 XHuCx44EKW9FOqC.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 XHuCx44EKW9FOqC.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 XHuCx44EKW9FOqC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\UTCCf = "C:\\Users\\Admin\\AppData\\Roaming\\UTCCf\\UTCCf.exe" XHuCx44EKW9FOqC.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2628 set thread context of 2924 2628 XHuCx44EKW9FOqC.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 XHuCx44EKW9FOqC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language XHuCx44EKW9FOqC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2924 XHuCx44EKW9FOqC.exe 2924 XHuCx44EKW9FOqC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2924 XHuCx44EKW9FOqC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2924 XHuCx44EKW9FOqC.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 PID 2628 wrote to memory of 2924 2628 XHuCx44EKW9FOqC.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 XHuCx44EKW9FOqC.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 XHuCx44EKW9FOqC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\XHuCx44EKW9FOqC.exe"C:\Users\Admin\AppData\Local\Temp\XHuCx44EKW9FOqC.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\XHuCx44EKW9FOqC.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2924
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1