Analysis
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max time kernel
118s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
11-02-2025 04:47
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20250207-en
General
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Target
Purchase Order.exe
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Size
712KB
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MD5
852434f1bb9cf92bfe6e0bc4fae992ef
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SHA1
d9b12d152f6bc72c0b67f95a55bfdf7bb8ae2c0c
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SHA256
2cc0a2ec8e308a7433616621cff5cd49893b9e2277c76913eb7dd6e940ddac7b
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SHA512
4552815609a2bc2bf0ff31a2a04c1b1be3bdf47dd69b44f8595c3d77f028835c4365e8704c33dea211e54a627583dd81e94800c41f6ef0deff7601651cc6ad27
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SSDEEP
12288:ToaovT2lPK7J1/55ZgcaYvkwLHOSKjgbvQHXdr1CZawg3E7gGZgraxTwqANGo:y2BKzpLHOSKcb4HNqawgU7g
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
Leternel01@
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2672-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2672-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2672-19-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2672-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2672-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2204 set thread context of 2672 2204 Purchase Order.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 Purchase Order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2672 Purchase Order.exe 2672 Purchase Order.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2672 Purchase Order.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 PID 2204 wrote to memory of 2672 2204 Purchase Order.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2672
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