Analysis
- max time kernel
147s - max time network
148s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system - submitted
04/03/2024, 14:36
Behavioral task
behavioral1
Sample
F51D69C196B61F96B9C0B857B318D47D.exe
Resource
win7-20240220-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
F51D69C196B61F96B9C0B857B318D47D.exe
Resource
win10v2004-20240226-en
14 signatures
150 seconds
General
- Target F51D69C196B61F96B9C0B857B318D47D.exe
- Size 104KB
- Sample240304-ryjmasdf76
- SHA256 6a46894366dca550d9e1595d8b87db420d8a96c7b542b35103f8453289d448da
- MD5 f51d69c196b61f96b9c0b857b318d47d
- SHA1 5b1fbc4eb4430e320d56984a0d315dc2eadef5c2
- SHA512 67737df9161b9cf14ab01dd24f867494fd74821f65e00ceeec4fd51993f0ff8f305c58edfd63d74a6506fb162c0b4473a0998c87aab22f0e3f8e792ea044e3f1
- SSDEEP 1536:+m5I/q/5+CyqT3AD/DulW3LWBf+uUNjqaLeO1x9uRYuITv9gEFs7kzb5vRs/nt:DICB+C/lW3LWBfAeOB8XcgEvh6/nt
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
pony
C2
-
http://myetherwallet.kl.com.ua/1/web/gate.php
-
http://myetherwallet.kl.com.ua/1/web/path/gate.php
Attributes
-
payload_url
http://disk.karelia.pro/0W5vZoi/svchost16.exe
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2980 syslehzsc.exe - Loads dropped DLL 2 IoCs
pid Process 2388 F51D69C196B61F96B9C0B857B318D47D.exe 2388 F51D69C196B61F96B9C0B857B318D47D.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts syslehzsc.exe - Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook syslehzsc.exe - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\SYS_UPDATE_AA248468F238F8E2023F867 = "C:\\Users\\Admin\\AppData\\Roaming\\WinRAR\\syslehzsc.exe" syslehzsc.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeImpersonatePrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeTcbPrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeChangeNotifyPrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeCreateTokenPrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeBackupPrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeRestorePrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeIncreaseQuotaPrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeAssignPrimaryTokenPrivilege 2388 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeImpersonatePrivilege 2980 syslehzsc.exe Token: SeTcbPrivilege 2980 syslehzsc.exe Token: SeChangeNotifyPrivilege 2980 syslehzsc.exe Token: SeCreateTokenPrivilege 2980 syslehzsc.exe Token: SeBackupPrivilege 2980 syslehzsc.exe Token: SeRestorePrivilege 2980 syslehzsc.exe Token: SeIncreaseQuotaPrivilege 2980 syslehzsc.exe Token: SeAssignPrimaryTokenPrivilege 2980 syslehzsc.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2388 wrote to memory of 2980 2388 F51D69C196B61F96B9C0B857B318D47D.exe 28 PID 2388 wrote to memory of 2980 2388 F51D69C196B61F96B9C0B857B318D47D.exe 28 PID 2388 wrote to memory of 2980 2388 F51D69C196B61F96B9C0B857B318D47D.exe 28 PID 2388 wrote to memory of 2980 2388 F51D69C196B61F96B9C0B857B318D47D.exe 28 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook syslehzsc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\F51D69C196B61F96B9C0B857B318D47D.exe"C:\Users\Admin\AppData\Local\Temp\F51D69C196B61F96B9C0B857B318D47D.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Users\Admin\AppData\Roaming\WinRAR\syslehzsc.exe"C:\Users\Admin\AppData\Roaming\WinRAR\syslehzsc.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_win_path
PID:2980
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path \Users\Admin\AppData\Roaming\WinRAR\syslehzsc.exe
- Size 104KB
- SHA256 6a46894366dca550d9e1595d8b87db420d8a96c7b542b35103f8453289d448da
- MD5 f51d69c196b61f96b9c0b857b318d47d
- SHA1 5b1fbc4eb4430e320d56984a0d315dc2eadef5c2
- SHA512 67737df9161b9cf14ab01dd24f867494fd74821f65e00ceeec4fd51993f0ff8f305c58edfd63d74a6506fb162c0b4473a0998c87aab22f0e3f8e792ea044e3f1
- SSDEEP 1536:+m5I/q/5+CyqT3AD/DulW3LWBf+uUNjqaLeO1x9uRYuITv9gEFs7kzb5vRs/nt:DICB+C/lW3LWBfAeOB8XcgEvh6/nt
- MD5 SHA1 SHA512 SSDEEP