Analysis
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max time kernel
117s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-11-2024 08:01
Static task
static1
Behavioral task
behavioral1
Sample
Curriculum Vitae Estrella Torres.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Curriculum Vitae Estrella Torres.exe
Resource
win10v2004-20241007-en
General
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Target
Curriculum Vitae Estrella Torres.exe
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Size
537KB
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MD5
0462f4a2fb67f34f430c9b99b6a4dcc7
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SHA1
bc571242e81f352620519e1d6b89f0765e91247a
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SHA256
3a174b6021bf10996282e9934d284a2f8a3fdf5e34ef90f18da13e991bd60524
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SHA512
1d2b50818cd4c8ffb960f0953674ee526dccbfad44b19ef1bb790672545689cd8213888b53d542b9b5c6cd11fa79a3eef6d1c12e969c865db8499a43be3e4922
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SSDEEP
12288:HnTDIK6tQJQ209JhmKiTAWj0In1z5/V+ZqBwoYx6KXO7BNdQTUMv6:HTDIg2JhmXcZInJ5AqBwok6KXUBNLMv
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7985379579:AAFFNXAHJz6n24A6xEGgMMms826UxvjorNA/sendMessage?chat_id=6370711846
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/2296-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2296-17-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2296-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2296-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2296-15-0x0000000000400000-0x0000000000426000-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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2100 set thread context of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 -
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 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Curriculum Vitae Estrella Torres.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2100 Curriculum Vitae Estrella Torres.exe 2296 Curriculum Vitae Estrella Torres.exe 2296 Curriculum Vitae Estrella Torres.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2100 Curriculum Vitae Estrella Torres.exe Token: SeDebugPrivilege 2296 Curriculum Vitae Estrella Torres.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 PID 2100 wrote to memory of 2296 2100 Curriculum Vitae Estrella Torres.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.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:2296
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