Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
06-11-2023 05:41
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20231020-en
General
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Target
tmp.exe
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Size
126KB
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MD5
5c8ed863681ebdda530ae81dbbacff5f
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SHA1
0e138b6a932200d17f593c8e549d98c5d6d4752f
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SHA256
720aab4d2e16fc4c4c27838fc2f11c422344f9680defd8f6d4b85f39ebec4c39
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SHA512
6f77e5ed0a7727fbff646fc032d78c00cf985c0f81b8dfa8f9c004be44dc38eff65b41bb104c5bb445994cd29ef93e81a61900ab1f6ca89e1d9cc0660952929f
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SSDEEP
3072:TOOYz2s6c9BSL0PZ9vvcAb7+C+owBWPCgbY:Azd1fbS6PLb
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6810237142:AAGT5cTumGpYZRge3zlmP9y62m5d-ni5Now/sendMessage?chat_id=5532763142
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1244-0-0x0000000000B40000-0x0000000000B66000-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
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.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.
Processes:
flow ioc 2 checkip.dyndns.org -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
tmp.exepid process 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe 1244 tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tmp.exedescription pid process Token: SeDebugPrivilege 1244 tmp.exe -
outlook_office_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
outlook_win_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe