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Analysis
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max time kernel
120s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
19/02/2024, 07:56
Static task
static1
Behavioral task
behavioral1
Sample
Vessel details.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Vessel details.exe
Resource
win10v2004-20231222-en
General
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Target
Vessel details.exe
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Size
760KB
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MD5
b94c080f200e5753ea7152dbded67b82
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SHA1
40d6f50acfc666ed9c6d702fce1ff348a3e2340c
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SHA256
13c9a7d889aedbf547fcdbca4e40482fe5c22abdbb16952b8287c2d10e316037
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SHA512
4794b0ff8b712c2b4f9c05fbe83b3be6f32f06f8431644c1e475f5969e392e61080a4a12b4946b870696da3f795878e69b6700f0b8082bc0722ad0b7d081177a
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SSDEEP
12288:I5MYr05MYr85MYrn3zrmeCcGdBCZCNouadKgr9ePz:IGSJvJCddBaCNGe
Malware Config
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/2108-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2108-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2108-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2108-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2108-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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 2 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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessel details.exe Key opened \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessel details.exe Key opened \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessel details.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 3020 set thread context of 2108 3020 Vessel details.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2108 Vessel details.exe 2108 Vessel details.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2108 Vessel details.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 PID 3020 wrote to memory of 2108 3020 Vessel details.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessel details.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessel details.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Vessel details.exe"C:\Users\Admin\AppData\Local\Temp\Vessel details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Temp\Vessel details.exe"C:\Users\Admin\AppData\Local\Temp\Vessel details.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2108
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