Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/10/2026, 04:32
Behavioral task
behavioral1
Sample
d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe
- Size 560KB
- Sample261017-e6ft6awzev
- SHA256 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b
- MD5 2ce4b0d51bae9c041ba487e11d8f97e4
- SHA1 eee56a59d50bcdc261010ed3923ff405d9448b1a
- SHA512 97bfbf97f939db740cb1e42aa9c4e6ff8d95c26209526f6c6e5f5cff4a678105bf511ffc5766bf8eb2f667b817539f05d44659bb1b1b51d776a3411a85f5a4c5
- SSDEEP 12288:W3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:WVOL4/gPXKCOkx2LFR
- TLSH T16DC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1820 90fb4448 - Unexpected DNS network traffic destination 20 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 4 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 47 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 112 114.114.114.114 1820 90fb4448 Destination IP 113 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 182 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 217 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 278 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 183 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 279 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 327 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 367 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 400 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 461 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 462 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 325 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 366 114.114.114.114 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 401 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 48 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Destination IP 218 223.5.5.5 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90fb4448 File created C:\Windows\SysWOW64\90fb4448 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 90fb4448 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 90fb4448 -
resource yara_rule behavioral1/memory/516-0-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral1/files/0x00080000000004eb-2.dat upx behavioral1/memory/1820-4-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral1/memory/516-20-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral1/memory/1820-21-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral1/memory/1820-40-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\8d588 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe File opened for modification C:\Windows\1f28b8 90fb4448 - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 90fb4448 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 90fb4448 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.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 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 90fb4448 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 90fb4448 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 90fb4448 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 90fb4448 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 90fb4448 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 90fb4448 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 90fb4448 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 90fb4448 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 90fb4448 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 90fb4448 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1820 90fb4448 1820 90fb4448 1820 90fb4448 1820 90fb4448 1820 90fb4448 1820 90fb4448 1820 90fb4448 1820 90fb4448 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Token: SeTcbPrivilege 516 d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe Token: SeDebugPrivilege 1820 90fb4448 Token: SeTcbPrivilege 1820 90fb4448
Processes
-
C:\Users\Admin\AppData\Local\Temp\d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe"C:\Users\Admin\AppData\Local\Temp\d33c6440199bbc65ad3f8c5e4f85bef006ff3bfbbaaf3ae439262301aad7b77b.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516
-
C:\Windows\Syswow64\90fb4448C:\Windows\Syswow64\90fb44481⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\90fb4448
- Size 560KB
- SHA256 a85e96051a598358a92b18f436c307d62af66850c5ced09bb864fe970e2b7174
- MD5 827751cdfdf2c2d633e93b5dee9e15ab
- SHA1 1f3d76d031094f1b7be11aa7b1bd67c06afe41fc
- SHA512 7de3e49cc68e9a2d825732c8ff597d76114922b629aae5426b3212a7517b9a973b05add46cb1e3681da1b698ec84d010a454eea297660442f0beb8c744030be1
- SSDEEP 12288:S3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:iVOL4/gPXKCOkx2LFR
- TLSH T1CCC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH