Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 21:01
Behavioral task
behavioral1
Sample
33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe
- Size 560KB
- Sample260802-zvbfhsff85
- SHA256 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1
- MD5 00ead78f1301849b993c2c3a2e1ec9c9
- SHA1 da08b036179e261e4a7d059393183597033d1a6f
- SHA512 56d62eec0461888cfcf5a13cf2e1435aae8f5366538129d8a851436e8a528a56be771abd63176131153d546be390b891deacf4481266367382826722857c6a14
- SSDEEP 6144:e6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:eO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T183C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5576 b2423553 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 1 114.114.114.114 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe Destination IP 2 223.5.5.5 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe Destination IP 19 114.114.114.114 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe Destination IP 20 223.5.5.5 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2423553 File created C:\Windows\SysWOW64\b2423553 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b2423553 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b2423553 -
resource yara_rule behavioral2/memory/4628-0-0x00000000005C0000-0x000000000064C000-memory.dmp upx behavioral2/files/0x000900000001138e-2.dat upx behavioral2/memory/5576-3-0x0000000000840000-0x00000000008CC000-memory.dmp upx behavioral2/memory/4628-18-0x00000000005C0000-0x000000000064C000-memory.dmp upx behavioral2/memory/5576-19-0x0000000000840000-0x00000000008CC000-memory.dmp upx behavioral2/memory/5576-28-0x0000000000840000-0x00000000008CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5f7690 b2423553 File opened for modification C:\Windows\4f3ba8 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 b2423553 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b2423553 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b2423553 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b2423553 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b2423553 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b2423553 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b2423553 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b2423553 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b2423553 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b2423553 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5576 b2423553 5576 b2423553 5576 b2423553 5576 b2423553 5576 b2423553 5576 b2423553 5576 b2423553 5576 b2423553 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe Token: SeTcbPrivilege 4628 33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe Token: SeDebugPrivilege 5576 b2423553 Token: SeTcbPrivilege 5576 b2423553
Processes
-
C:\Users\Admin\AppData\Local\Temp\33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe"C:\Users\Admin\AppData\Local\Temp\33dd82800e9d7cac3b5cd8bebbd3b878937cbf1dd91ea56bcfc02923dd0156b1.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
-
C:\Windows\Syswow64\b2423553C:\Windows\Syswow64\b24235531⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5576
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b2423553
- Size 560KB
- SHA256 3a0187ca60f8cb8a9414d8ac98b27213bbf450d583ba255f51c58c14530c54f8
- MD5 186c2c3e80d5a1d8ab9f6466dbe5c711
- SHA1 01e07d9b627c731e9bcefe5c7bc6a6aa5a02dc46
- SHA512 48497d67c5a9314bf718a16951c5435d7e2259b50016c8159aa16efe42b85051277311c0f99f20e28ed4929d7e2b9834b6b4640ba6cef771ad6e3b9ec0c48708
- SSDEEP 6144:x6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:xO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T155C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH