Analysis
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max time kernel
61s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
08-02-2023 18:47
Static task
static1
Behavioral task
behavioral1
Sample
423cb81a6a34150f52d974f0b5ad7671.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
423cb81a6a34150f52d974f0b5ad7671.exe
Resource
win10v2004-20221111-en
General
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Target
423cb81a6a34150f52d974f0b5ad7671.exe
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Size
918KB
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MD5
423cb81a6a34150f52d974f0b5ad7671
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SHA1
1edea836f2138dde98aad41beb959894abc9a7df
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SHA256
2f7fa88382210dc974ad20d7dd204655d5321cb220f7507bfbe57577c767d66a
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SHA512
b71cc796d5397476a9c2c4afe7b847c63d75c6edae57e45b05da05583d4308fdd6129e60fb27b753ffed0ed8dc5c92745e9709e294218d592d4652e03e9f2325
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SSDEEP
24576:A1bgzPGhgzfYbOMv1ZhLhJEX6C2qQ4fqqYW3wMYeT:AZyPyywb1vNEKfd4fqVW3wMYeT
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$ - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1472-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1472-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1472-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1472-67-0x000000000042073E-mapping.dmp family_snakekeylogger behavioral1/memory/1472-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1472-71-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 423cb81a6a34150f52d974f0b5ad7671.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 423cb81a6a34150f52d974f0b5ad7671.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 423cb81a6a34150f52d974f0b5ad7671.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 1768 set thread context of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1472 423cb81a6a34150f52d974f0b5ad7671.exe 1472 423cb81a6a34150f52d974f0b5ad7671.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1472 423cb81a6a34150f52d974f0b5ad7671.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 PID 1768 wrote to memory of 1472 1768 423cb81a6a34150f52d974f0b5ad7671.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 423cb81a6a34150f52d974f0b5ad7671.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 423cb81a6a34150f52d974f0b5ad7671.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe"C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe"C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1472
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