Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/05/2026, 08:28
Behavioral task
behavioral1
Sample
8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe
- Size 384KB
- Sample260504-kdfxcaey4x
- SHA256 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785
- MD5 5a762d8e723922d4f9aaebc51b0f2cfe
- SHA1 8954f065036fb15590d68303c124969d24383f8c
- SHA512 30ea2e379f865cc2f16e559bf7fab3091d10253c0ada32c6690d5ac89e54bc8c3d61815f4d4ec475530ff65d0dcb56d4a949641887a56bec22917f6d0c32bf79
- SSDEEP 6144:Ml51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:wqXUHkUXe39sOkx2LIan5g
- TLSH T18F849D22F3518036C1A78676C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2240 835d9fc0 - 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 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe Destination IP 2 223.5.5.5 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe Destination IP 6 114.114.114.114 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe Destination IP 7 223.5.5.5 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 835d9fc0 File created C:\Windows\SysWOW64\835d9fc0 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 835d9fc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 835d9fc0 -
resource yara_rule behavioral2/memory/3080-0-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/files/0x001f00000002b192-2.dat upx behavioral2/memory/2240-4-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/3080-10-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/2240-12-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/3080-21-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/2240-22-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/3080-43-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/3080-49-0x0000000000C80000-0x0000000000D09000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\265980 835d9fc0 File opened for modification C:\Windows\34bb10 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.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 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 835d9fc0 - 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" 835d9fc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 835d9fc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 835d9fc0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 835d9fc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 835d9fc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 835d9fc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 835d9fc0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 835d9fc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 835d9fc0 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 835d9fc0 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 835d9fc0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2240 835d9fc0 2240 835d9fc0 2240 835d9fc0 2240 835d9fc0 2240 835d9fc0 2240 835d9fc0 2240 835d9fc0 2240 835d9fc0 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe Token: SeTcbPrivilege 3080 8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe Token: SeDebugPrivilege 2240 835d9fc0 Token: SeTcbPrivilege 2240 835d9fc0
Processes
-
C:\Users\Admin\AppData\Local\Temp\8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.exe"C:\Users\Admin\AppData\Local\Temp\8b6b9ca646905bfd3cb1075c923341bc9c8addd67dc0ee1ed16d29d6e96fb785.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:3080
-
C:\Windows\Syswow64\835d9fc0C:\Windows\Syswow64\835d9fc01⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2240
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\835d9fc0
- Size 384KB
- SHA256 a767fde7b690fc461ab5c1a81f9297011c3deb320a0ec746bf791f6c5cd30c0b
- MD5 ee257cc2e0729da96fe8df93e28f9d50
- SHA1 b04ae584367c2612cb5c8f1f2d1f64bf8ac0cb6a
- SHA512 f0fa4b417593ae45b4ec668f940ee5f9205c75c80a8f6f66ec9ec47e404cf5d51db07b33024d76a2f5e4676513d5006c4f47aa0660415c7929f89285fb7d30b0
- SSDEEP 6144:Al51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:UqXUHkUXe39sOkx2LIan5g
- TLSH T1F5849D22F351803AC1978672C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH