Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-12-2024 08:49
Static task
static1
Behavioral task
behavioral1
Sample
b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
Resource
win10v2004-20241007-en
General
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Target
b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
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Size
1.1MB
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MD5
011f3bebde38bdac8ceaebfbff201f4a
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SHA1
bb5769d029c5f202e823e038aab2aae454cf0299
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SHA256
b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2
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SHA512
161838d1df3f6b7d7c2d61f98fc5fc55a30281e24433a5fc49a52aad0182bd5c5d581ba294c2a96878d93dc8536499d79a08f8aac879dc0eb5bee7f46b429cdf
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SSDEEP
12288:a93TVasGFa3nj6mYdrlXeohkdm8odEH8o4+AJDYv+6c0xlskR:a9l53jVYRXebsf19DEJ/
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7971510363:AAH477ofdLYaboEb0PeeyOtbxApvVZT953M/sendMessage?chat_id=7405587880
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2812-19-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2812-25-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2812-26-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2812-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2812-22-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1900 powershell.exe -
Uses the VBS compiler for execution 1 TTPs
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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 3048 set thread context of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language choice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2864 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2812 vbc.exe 1900 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2812 vbc.exe Token: SeDebugPrivilege 1900 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3048 wrote to memory of 1900 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 31 PID 3048 wrote to memory of 1900 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 31 PID 3048 wrote to memory of 1900 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 31 PID 3048 wrote to memory of 1900 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 31 PID 3048 wrote to memory of 2864 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 33 PID 3048 wrote to memory of 2864 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 33 PID 3048 wrote to memory of 2864 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 33 PID 3048 wrote to memory of 2864 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 33 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 3048 wrote to memory of 2812 3048 b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe 35 PID 2812 wrote to memory of 2036 2812 vbc.exe 36 PID 2812 wrote to memory of 2036 2812 vbc.exe 36 PID 2812 wrote to memory of 2036 2812 vbc.exe 36 PID 2812 wrote to memory of 2036 2812 vbc.exe 36 PID 2036 wrote to memory of 2060 2036 cmd.exe 38 PID 2036 wrote to memory of 2060 2036 cmd.exe 38 PID 2036 wrote to memory of 2060 2036 cmd.exe 38 PID 2036 wrote to memory of 2060 2036 cmd.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe"C:\Users\Admin\AppData\Local\Temp\b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BtnoWSiF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtnoWSiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE55.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2864
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
- System Location Discovery: System Language Discovery
PID:2060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5fc1a813cedd56f06022e2bd976b062bb
SHA1da99ae3f9bd42dcb2b3c271fc7b6b19ce2fea319
SHA2566f56c57a881f074427210b9d0c64d911aab32bb7c5f610519e0b0d675518c79b
SHA51297184b49539371ef9b4c276da563379297a98fb7f022f21fa1f84f45c35002d4f5b2485aa6c3a61700d0578721a0595120f1900c25c70bee724d2a1e2661b09c