Analysis
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max time kernel
17s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
03-11-2024 05:48
Static task
static1
Behavioral task
behavioral1
Sample
ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe
Resource
win10v2004-20241007-en
General
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Target
ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe
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Size
896KB
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MD5
826bb522c1f84180fc5c919cfbaba188
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SHA1
2453ebbbd8f774a7c1ad8fe1fcca8890a6174743
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SHA256
ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826
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SHA512
628a95c15d19c048654299ad171412bd9350e4c24790eb5f3e61bb09bb6522b8368c7183bc1229af708a776b9a55712e32702a7159b5904e72afa68dee705298
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SSDEEP
12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLoehurbKNfnOUH9Yrm26VzgvPwmwh:ffmMv6Ckr7Mny5QLoEu+fzWP6lmK
Malware Config
Extracted
snakekeylogger
https://scratchdreams.tk
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 33 IoCs
resource yara_rule behavioral1/memory/2332-24-0x0000000000340000-0x000000000037A000-memory.dmp family_snakekeylogger behavioral1/memory/2332-27-0x00000000005D0000-0x0000000000608000-memory.dmp family_snakekeylogger behavioral1/memory/2332-51-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-69-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-28-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-29-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-31-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-33-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-35-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-39-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-43-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-45-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-47-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-49-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-53-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-55-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-63-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-85-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-87-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-83-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-81-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-79-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-77-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-75-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-73-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-71-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-67-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-65-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-61-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-59-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-57-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-41-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger behavioral1/memory/2332-37-0x00000000005D0000-0x0000000000603000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\underbalance.vbs underbalance.exe -
Executes dropped EXE 1 IoCs
pid Process 2140 underbalance.exe -
Loads dropped DLL 1 IoCs
pid Process 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 2 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0009000000016d69-7.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2140 set thread context of 2332 2140 underbalance.exe 30 -
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 3 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 RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language underbalance.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2332 RegSvcs.exe 2332 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2140 underbalance.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2332 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 2140 underbalance.exe 2140 underbalance.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 2140 underbalance.exe 2140 underbalance.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2140 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 29 PID 2328 wrote to memory of 2140 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 29 PID 2328 wrote to memory of 2140 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 29 PID 2328 wrote to memory of 2140 2328 ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe 29 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 PID 2140 wrote to memory of 2332 2140 underbalance.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe"C:\Users\Admin\AppData\Local\Temp\ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\niellist\underbalance.exe"C:\Users\Admin\AppData\Local\Temp\ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2332
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
224KB
MD5fe99c019ac395f9a3505135178409215
SHA17bea8277ac26981f695d38e048ddcb443565bfec
SHA25601b6fc624a546348e1d5ab443d5e6f67eefe947038212bded1c6cfb226a0637c
SHA512b8f67f2e97d5823e1a20fcb5e22225845a62d8c5a04c481e25e0f8d8046a5557d22583bab363022be8607eadfcfcf20dfe46cce047a84a75a71802168ca0c2eb
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Filesize
896KB
MD5826bb522c1f84180fc5c919cfbaba188
SHA12453ebbbd8f774a7c1ad8fe1fcca8890a6174743
SHA256ea843fea68d8b5260df990e02a53c9c5b6a5b09370ab6be6ef80182e36b16826
SHA512628a95c15d19c048654299ad171412bd9350e4c24790eb5f3e61bb09bb6522b8368c7183bc1229af708a776b9a55712e32702a7159b5904e72afa68dee705298