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Analysis
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max time kernel
90s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
18/10/2022, 08:00
Static task
static1
Behavioral task
behavioral1
Sample
AWB_131-398896.EXE.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
AWB_131-398896.EXE.exe
Resource
win10v2004-20220812-en
General
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Target
AWB_131-398896.EXE.exe
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Size
420KB
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MD5
6a1da32c021c78395cc87198f064e502
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SHA1
c3503b4f9ef992a4b4f8425f345df21d010bbbf4
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SHA256
dd4ef3bf2fb18ff2ee31bdf44ca59a037f2c84ad8e7f128f2c56962c37b9a2fb
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SHA512
f8459cb1f382586d3342275971e8a7192627d607426ceb1d1cdbfdb0b8fa409bde6de7b0d4541da291c2d177a4bc66131e23feead0e9bc73ac5d50ebf66e265e
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SSDEEP
6144:Mv3LGr9Esetmc+wuSZzEUGf9l2bXDGPuEPs8I1AMlSMwBGXfLgwRUjHUz:M/LCygx9SZsfj+ZEPP8AMYMwBGzgGU
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
DreamChaser101 - 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 2 IoCs
resource yara_rule behavioral2/memory/4888-134-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/4888-135-0x000000000042017E-mapping.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.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 11 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2148 set thread context of 4888 2148 AWB_131-398896.EXE.exe 80 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2148 AWB_131-398896.EXE.exe 4888 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2148 AWB_131-398896.EXE.exe Token: SeDebugPrivilege 4888 CasPol.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 PID 2148 wrote to memory of 4888 2148 AWB_131-398896.EXE.exe 80 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AWB_131-398896.EXE.exe"C:\Users\Admin\AppData\Local\Temp\AWB_131-398896.EXE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4888
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