Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2023 20:59
Static task
static1
Behavioral task
behavioral1
Sample
xeaa.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
xeaa.exe
Resource
win10v2004-20230915-en
General
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Target
xeaa.exe
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Size
587KB
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MD5
80fcd9ed15de00c8b2741fb9f23194fb
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SHA1
d9d6055ec575d3feacdea68f8f802594fa15b062
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SHA256
f9dc0ae354f8db63f7cf68e7bc5139a7e9f24dc16c333206269c45f7e3c4e2a9
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SHA512
a2bccbe3c11ca2d61e164078933da927f7b604baf997fdc3e25087e193de0cdc05369cc3a6e70e87ec3c410005151e0ae25d352f1595cb01d60f35730f5c0f1b
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SSDEEP
12288:LODphClGCx5AisTCgti4srpKC8t35dxC:LXgti4Gh8l5dxC
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.1tcl.com - Port:
25 - Username:
[email protected] - Password:
RRa*ysS8
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 behavioral2/memory/3848-8-0x0000000000400000-0x0000000000424000-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:
xeaa.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 xeaa.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 xeaa.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 xeaa.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 28 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
xeaa.exedescription pid process target process PID 4868 set thread context of 3848 4868 xeaa.exe xeaa.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
xeaa.exepid process 3848 xeaa.exe 3848 xeaa.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
xeaa.exedescription pid process Token: SeDebugPrivilege 3848 xeaa.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
xeaa.exedescription pid process target process PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe PID 4868 wrote to memory of 3848 4868 xeaa.exe xeaa.exe -
outlook_office_path 1 IoCs
Processes:
xeaa.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 xeaa.exe -
outlook_win_path 1 IoCs
Processes:
xeaa.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 xeaa.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\xeaa.exe"C:\Users\Admin\AppData\Local\Temp\xeaa.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\xeaa.exe"C:\Users\Admin\AppData\Local\Temp\xeaa.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3848