Analysis
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max time kernel
46s -
max time network
38s -
platform
windows11-21h2_x64 -
resource
win11-20241007-es -
resource tags
arch:x64arch:x86image:win11-20241007-eslocale:es-esos:windows11-21h2-x64systemwindows -
submitted
14-12-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
pago 4094.exe
Resource
win11-20241007-es
Behavioral task
behavioral2
Sample
pago 4094.exe
Resource
macos-20241101-es
Behavioral task
behavioral3
Sample
pago 4094.exe
Resource
ubuntu2404-amd64-20240523-es
General
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Target
pago 4094.exe
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Size
528KB
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MD5
1a0f4cc0513f1b56fef01c815410c6ea
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SHA1
a663c9ecf8f488d6e07b892165ae0a3712b0e91f
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SHA256
d483d48c15f797c92c89d2eafcc9fc7cbe0c02cabe1d9130bb9069e8c897c94c
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SHA512
4251fd4738f6b47a327b1f1d7609aa5af623669734a1fc9ebf5786337d0fbc5142c8176e51f9f2f5869e47bdbbb2f46090f66fb3cea30189d57917b58049f84b
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SSDEEP
12288:PXPZDbCo/k+n70P4uR87fD0iBTJj1ijFDTw:hOz+IPz6/PF1ihDTw
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
UWzDeXWsD8
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 behavioral1/memory/1504-14-0x0000000000400000-0x0000000000426000-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-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pago 4094.exe Key opened \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pago 4094.exe Key opened \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pago 4094.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 1 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1632 set thread context of 1504 1632 pago 4094.exe 77 -
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 pago 4094.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pago 4094.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1632 pago 4094.exe 1632 pago 4094.exe 1504 pago 4094.exe 1504 pago 4094.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1504 pago 4094.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1632 pago 4094.exe Token: SeDebugPrivilege 1504 pago 4094.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 PID 1632 wrote to memory of 1504 1632 pago 4094.exe 77 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pago 4094.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pago 4094.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\pago 4094.exe"C:\Users\Admin\AppData\Local\Temp\pago 4094.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Local\Temp\pago 4094.exe"C:\Users\Admin\AppData\Local\Temp\pago 4094.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD57e1ed0055c3eaa0bbc4a29ec1ef15a6a
SHA1765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d
SHA2564c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
SHA512de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8