Analysis
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max time kernel
28s -
max time network
111s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01-03-2023 18:45
Static task
static1
Behavioral task
behavioral1
Sample
SD-0987654.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
SD-0987654.exe
Resource
win10v2004-20230220-en
General
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Target
SD-0987654.exe
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Size
244KB
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MD5
8082ea7554f90b1a4ea84903a528fadc
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SHA1
81ae189af6aa0989ea64c408daeec01bc45bfee8
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SHA256
6af36c9fc050eaf0914a5b314986c7333ef5cf2ea5de0e9ad6e48e584e2e7f54
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SHA512
d999b403df5cb4da043af54723c806fbc113f3bf080ddb4d0b779ed2f319b5f7ea2c44bbab74e4dce46a51dc65919ea4fd36a958f3f2aee8f55d9c30d9f79599
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SSDEEP
6144:KuFDutOc6duxKLoldjvF/6HIKjnNi3XH7HKssJlnZMfoCD3cM:hFDutOc6duxKLoXjQHljO+JlKA
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.sienkakupeste.com - Port:
587 - Username:
[email protected] - Password:
010203sienka++ - 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 7 IoCs
resource yara_rule behavioral1/memory/1956-60-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1956-61-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1956-63-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1956-65-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1956-67-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1956-68-0x0000000004B20000-0x0000000004B60000-memory.dmp family_snakekeylogger behavioral1/memory/1956-69-0x0000000004B20000-0x0000000004B60000-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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SD-0987654.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SD-0987654.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SD-0987654.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 3 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1996 set thread context of 1956 1996 SD-0987654.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1956 SD-0987654.exe 1956 SD-0987654.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1956 SD-0987654.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 PID 1996 wrote to memory of 1956 1996 SD-0987654.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SD-0987654.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SD-0987654.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"C:\Users\Admin\AppData\Local\Temp\SD-0987654.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1956
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