Analysis
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max time kernel
154s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2023 16:48
Static task
static1
Behavioral task
behavioral1
Sample
6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe
Resource
win10v2004-20231127-en
General
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Target
6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe
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Size
298KB
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MD5
529e2b070ea17b74626579c8fdd1f834
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SHA1
44e1951cf080065f6a4249241b1a4f58f5b7ad8f
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SHA256
6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403
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SHA512
2fe59c416d962a851f9f2b1df6405eac474e89cc423ea72310d7e8bd2a5c45df35b267fa9f592ec34210d70a6d421e51376d989e9e6ef1590587b282b5f15002
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SSDEEP
6144:ABlL/9PcycfXafb+Ji7LPX/KPpekXIfxnPuQQHt9Ugv4Z8:ynPMfJJi7L6Po7NmQQrUgv4m
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/3500-7-0x0000000000400000-0x0000000000437000-memory.dmp family_snakekeylogger behavioral2/memory/3500-9-0x0000000000400000-0x0000000000437000-memory.dmp family_snakekeylogger behavioral2/memory/3500-10-0x0000000000400000-0x0000000000437000-memory.dmp family_snakekeylogger behavioral2/memory/3500-11-0x0000000000400000-0x0000000000437000-memory.dmp family_snakekeylogger behavioral2/memory/3500-14-0x00000000028C0000-0x00000000028E6000-memory.dmp family_snakekeylogger -
Executes dropped EXE 2 IoCs
Processes:
ygore.exeygore.exepid process 1204 ygore.exe 3500 ygore.exe -
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:
ygore.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ygore.exe Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ygore.exe Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ygore.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 55 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ygore.exedescription pid process target process PID 1204 set thread context of 3500 1204 ygore.exe ygore.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ygore.exepid process 3500 ygore.exe 3500 ygore.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
ygore.exepid process 1204 ygore.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ygore.exedescription pid process Token: SeDebugPrivilege 3500 ygore.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exeygore.exedescription pid process target process PID 3388 wrote to memory of 1204 3388 6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe ygore.exe PID 3388 wrote to memory of 1204 3388 6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe ygore.exe PID 3388 wrote to memory of 1204 3388 6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe ygore.exe PID 1204 wrote to memory of 3500 1204 ygore.exe ygore.exe PID 1204 wrote to memory of 3500 1204 ygore.exe ygore.exe PID 1204 wrote to memory of 3500 1204 ygore.exe ygore.exe PID 1204 wrote to memory of 3500 1204 ygore.exe ygore.exe -
outlook_office_path 1 IoCs
Processes:
ygore.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ygore.exe -
outlook_win_path 1 IoCs
Processes:
ygore.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ygore.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe"C:\Users\Admin\AppData\Local\Temp\6b5c72e165326ce364e60ed624389320e7c1ca3dd09ba163fcf9500ed3315403exe.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3388 -
C:\Users\Admin\AppData\Local\Temp\ygore.exe"C:\Users\Admin\AppData\Local\Temp\ygore.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Users\Admin\AppData\Local\Temp\ygore.exe"C:\Users\Admin\AppData\Local\Temp\ygore.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
177KB
MD5d2830f849efd8e223476eec30c9645b5
SHA10b5b410e419810745441a4c47bca0086b143a276
SHA256c609d024c893cb1f56103b0e7360dc43e097412b1023f978352ca7af4b307f2d
SHA51206749865e5217df33ae403d205c2644391ef1fca2468fbb0fa02bed435d7999e2549950d3c87ce7b50cd3aa21e4fa6ea59f1cb26e002df00e0f9e84228eee468
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Filesize
177KB
MD5d2830f849efd8e223476eec30c9645b5
SHA10b5b410e419810745441a4c47bca0086b143a276
SHA256c609d024c893cb1f56103b0e7360dc43e097412b1023f978352ca7af4b307f2d
SHA51206749865e5217df33ae403d205c2644391ef1fca2468fbb0fa02bed435d7999e2549950d3c87ce7b50cd3aa21e4fa6ea59f1cb26e002df00e0f9e84228eee468
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Filesize
177KB
MD5d2830f849efd8e223476eec30c9645b5
SHA10b5b410e419810745441a4c47bca0086b143a276
SHA256c609d024c893cb1f56103b0e7360dc43e097412b1023f978352ca7af4b307f2d
SHA51206749865e5217df33ae403d205c2644391ef1fca2468fbb0fa02bed435d7999e2549950d3c87ce7b50cd3aa21e4fa6ea59f1cb26e002df00e0f9e84228eee468
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Filesize
225KB
MD51d50736af518112e2a8b9057a1f38d27
SHA120b060a0b6338d619214906f0dd0833f9a26664a
SHA256ce600f14d25522fbefbcfba5077014d75016f81764327de5a4e209c0ac4692f4
SHA5124ee88025e61d723e9e514b30d574c8874b74c0f5b803296d6e567d1d690a43f896929dc8435ab6f5d967bf8eb44b49ae1f7ae64b797bef17c92049c783a73b4a