Analysis
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max time kernel
120s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
06-11-2024 10:10
Static task
static1
Behavioral task
behavioral1
Sample
Curriculum Vitae Estrella Torres.exe
Resource
win7-20241010-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
571KB
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MD5
7030700ead128aab5df0db1675020937
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SHA1
130d55bd32b2642fb27890a62e8eabd9b3b60611
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SHA256
31af8e06fb179797320d0d79fce8a7c603e6156bb0b0642a41fe818b4894eb8f
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SHA512
24718210a0562379e597ebef1b18731918d8e4907f29bc711f203282e1b674ce602bad6e872098eac23b801b44bd5d838c3b57f4b2951d0754a9ad550a7c6a2f
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SSDEEP
12288:AcPZbEeX/sYw0q59eiXjS1SvAqnYwgJOAI4UUDJLqi6r59l:AcPh//m9ewe1SvArlPIkDzm5
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/2948-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2948-15-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2948-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2948-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2948-10-0x0000000000400000-0x0000000000426000-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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Curriculum Vitae Estrella Torres.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 1220 set thread context of 2948 1220 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 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 1220 Curriculum Vitae Estrella Torres.exe 2948 Curriculum Vitae Estrella Torres.exe 2948 Curriculum Vitae Estrella Torres.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1220 Curriculum Vitae Estrella Torres.exe Token: SeDebugPrivilege 2948 Curriculum Vitae Estrella Torres.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 PID 1220 wrote to memory of 2948 1220 Curriculum Vitae Estrella Torres.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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-1-5-21-2039016743-699959520-214465309-1000\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:1220 -
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:2948
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