Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
11-11-2024 14:27
Static task
static1
Behavioral task
behavioral1
Sample
Curriculum Vitae Estrella Torres.exe
Resource
win7-20241023-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
671KB
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MD5
f151ad25f40a872a7240469724f9d5e5
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SHA1
6260c7585b053f38e24bbb8b2af97dc7f641cecf
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SHA256
bb1938427ba37a7c09953897649628d7cd5267e29cbb76e11c9274fe913d2d0b
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SHA512
6ed76af118a7dc89f5be69504b358d5efc01e695c71a538cfad70464e26c6a528efe8c59d397ffbda55937d60ab3f11387f8e08154a713f9e0548994613f6f9d
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SSDEEP
12288:Y4X2sUVFkaj9PaOAXvrBm3mbOUQSMD+QJfcGtLFnw5zBM:Y4m5VPj9yOAXvrw2Kx7D+QJ3nnwo
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7719054034:AAHonYJDOpWskt5QdgdvYe662dLuhtscDqw/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/2436-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2436-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2436-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2436-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2436-11-0x0000000000400000-0x0000000000426000-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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 1776 set thread context of 2436 1776 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 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 1776 Curriculum Vitae Estrella Torres.exe 2436 Curriculum Vitae Estrella Torres.exe 2436 Curriculum Vitae Estrella Torres.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1776 Curriculum Vitae Estrella Torres.exe Token: SeDebugPrivilege 2436 Curriculum Vitae Estrella Torres.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 PID 1776 wrote to memory of 2436 1776 Curriculum Vitae Estrella Torres.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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-1-5-21-1163522206-1469769407-485553996-1000\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:1776 -
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:2436
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