Analysis
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max time kernel
86s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2023 14:31
Static task
static1
Behavioral task
behavioral1
Sample
Zasneipp.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Zasneipp.exe
Resource
win10v2004-20221111-en
General
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Target
Zasneipp.exe
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Size
7KB
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MD5
c035e1bc5f37c474441db456d903eea0
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SHA1
bc6992a6e31b6d67b6732c142ec47bebde49fee1
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SHA256
84e348e49442b996738cb0d3d4fcd275e3db781fe805045e139736d9eeeca695
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SHA512
845f22b8b4f6a75d96f63e5546c7f719de57d54b4f15a9789f4156e1156fb6fbe54d61aded8da54a1ef0e8e2d9e55192f18ee032d43d1f2c6c5fd675a3150373
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SSDEEP
96:iUBTdcgDszgY1KsXrXhRQYYB3Tt4BtEkdexegbFnU:iUBhUdRQYYFGzAkZ
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5824924248:AAF4WKjJ8FxpNsC2HwCM114EP_g8rFkC4wQ/sendMessage?chat_id=2054148913
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/2616-143-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Zasneipp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation Zasneipp.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 24 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Zasneipp.exedescription pid process target process PID 4712 set thread context of 2616 4712 Zasneipp.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exeMSBuild.exepid process 1816 powershell.exe 1816 powershell.exe 2616 MSBuild.exe 2616 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Zasneipp.exepowershell.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 4712 Zasneipp.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 2616 MSBuild.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Zasneipp.exedescription pid process target process PID 4712 wrote to memory of 1816 4712 Zasneipp.exe powershell.exe PID 4712 wrote to memory of 1816 4712 Zasneipp.exe powershell.exe PID 4712 wrote to memory of 1816 4712 Zasneipp.exe powershell.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe PID 4712 wrote to memory of 2616 4712 Zasneipp.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Zasneipp.exe"C:\Users\Admin\AppData\Local\Temp\Zasneipp.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1816-140-0x0000000007A50000-0x00000000080CA000-memory.dmpFilesize
6.5MB
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memory/1816-136-0x0000000005420000-0x0000000005A48000-memory.dmpFilesize
6.2MB
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memory/1816-139-0x0000000006210000-0x000000000622E000-memory.dmpFilesize
120KB
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memory/1816-135-0x0000000004C50000-0x0000000004C86000-memory.dmpFilesize
216KB
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memory/1816-141-0x0000000006700000-0x000000000671A000-memory.dmpFilesize
104KB
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memory/1816-137-0x0000000005B20000-0x0000000005B86000-memory.dmpFilesize
408KB
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memory/1816-138-0x0000000005D30000-0x0000000005D96000-memory.dmpFilesize
408KB
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memory/1816-134-0x0000000000000000-mapping.dmp
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memory/2616-142-0x0000000000000000-mapping.dmp
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memory/2616-143-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2616-144-0x0000000005CA0000-0x0000000006244000-memory.dmpFilesize
5.6MB
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memory/2616-145-0x0000000005790000-0x000000000582C000-memory.dmpFilesize
624KB
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memory/2616-146-0x0000000006960000-0x0000000006B22000-memory.dmpFilesize
1.8MB
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memory/2616-147-0x0000000006840000-0x00000000068D2000-memory.dmpFilesize
584KB
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memory/2616-148-0x0000000006820000-0x000000000682A000-memory.dmpFilesize
40KB
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memory/4712-133-0x0000000007100000-0x0000000007122000-memory.dmpFilesize
136KB
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memory/4712-132-0x0000000000F10000-0x0000000000F18000-memory.dmpFilesize
32KB