Analysis
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max time kernel
105s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 03:39
Static task
static1
Behavioral task
behavioral1
Sample
40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe
Resource
win10v2004-20241007-en
General
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Target
40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe
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Size
807KB
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MD5
421c6f53652413a316da7e7e0c7f99ad
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SHA1
3c7cbca25c2d74a9df7eeda6ea76d999357dd7ad
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SHA256
40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587
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SHA512
7b7251e78e91c00163547fe26f14d3f4441eb10bcac369cbf913bd1c892028ac145a143072e48a8983cfe33fd125746aa9efc8da9695f9287197171c8694e201
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SSDEEP
12288:6aMaSzOKy2r7SPNcZoQ1+ssLpdWTDnB75wDR+aPPyA5SnAYKEVotiBVU:5MaSSKy2/SPNw+RLpmnXwRPPyA545/
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.yulifertilizer.com.my - Port:
25 - Username:
[email protected] - Password:
Ayfc931319* - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4640-9-0x0000000000400000-0x0000000000426000-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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1236 set thread context of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 -
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 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4640 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 4640 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4640 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 PID 1236 wrote to memory of 4640 1236 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe"C:\Users\Admin\AppData\Local\Temp\40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Users\Admin\AppData\Local\Temp\40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.exe"C:\Users\Admin\AppData\Local\Temp\40aa4321d9c06e4d3b35fe22feabb2da29d4375f5848fc895bda33bf0eeeb587.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:4640
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