Analysis
- max time kernel
147s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation F51D69C196B61F96B9C0B857B318D47D.exe - Executes dropped EXE 1 IoCs
pid Process 112 sysqsxw.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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts sysqsxw.exe - Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook sysqsxw.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SYS_UPDATE_AA248468F238F8E2023F867 = "C:\\Users\\Admin\\AppData\\Roaming\\WinRAR\\sysqsxw.exe" sysqsxw.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 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeTcbPrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeChangeNotifyPrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeCreateTokenPrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeBackupPrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeRestorePrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeIncreaseQuotaPrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeAssignPrimaryTokenPrivilege 1648 F51D69C196B61F96B9C0B857B318D47D.exe Token: SeImpersonatePrivilege 112 sysqsxw.exe Token: SeTcbPrivilege 112 sysqsxw.exe Token: SeChangeNotifyPrivilege 112 sysqsxw.exe Token: SeCreateTokenPrivilege 112 sysqsxw.exe Token: SeBackupPrivilege 112 sysqsxw.exe Token: SeRestorePrivilege 112 sysqsxw.exe Token: SeIncreaseQuotaPrivilege 112 sysqsxw.exe Token: SeAssignPrimaryTokenPrivilege 112 sysqsxw.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1648 wrote to memory of 112 1648 F51D69C196B61F96B9C0B857B318D47D.exe 100 PID 1648 wrote to memory of 112 1648 F51D69C196B61F96B9C0B857B318D47D.exe 100 PID 1648 wrote to memory of 112 1648 F51D69C196B61F96B9C0B857B318D47D.exe 100 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook sysqsxw.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\F51D69C196B61F96B9C0B857B318D47D.exe"C:\Users\Admin\AppData\Local\Temp\F51D69C196B61F96B9C0B857B318D47D.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Roaming\WinRAR\sysqsxw.exe"C:\Users\Admin\AppData\Roaming\WinRAR\sysqsxw.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:112
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3536 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:1940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\WinRAR\sysqsxw.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