Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 00:32
Behavioral task
behavioral1
Sample
8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe
- Size 761KB
- Sample260805-avncms11dv
- SHA256 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020
- MD5 d23e5fbd39a5d0fce5b884ce8739ac66
- SHA1 a533f7809b30e010bbf830b94de90edce0a8359e
- SHA512 f60c339f66e681955ea2138aa1bc23492fec3dfbc28882634d5895bac16049ebe2dc47eaaf23c79478ad5046ff9fc30fcdd720d48444a5c903070a3aaf124426
- SSDEEP 12288:USvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:nvO2xJKRw2kOkxSkW298B
- TLSH T181F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4908 f75285e1 - 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 1 114.114.114.114 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe Destination IP 3 223.5.5.5 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe Destination IP 19 114.114.114.114 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe Destination IP 20 223.5.5.5 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.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 f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f75285e1 File created C:\Windows\SysWOW64\f75285e1 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f75285e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f75285e1 -
resource yara_rule behavioral2/memory/920-0-0x0000000000290000-0x000000000031C000-memory.dmp upx behavioral2/files/0x000c00000001b8ae-2.dat upx behavioral2/memory/4908-3-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/920-13-0x0000000000290000-0x000000000031C000-memory.dmp upx behavioral2/memory/4908-14-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/4908-34-0x0000000000440000-0x00000000004CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5406d8 f75285e1 File opened for modification C:\Windows\fc030 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.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 f75285e1 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe - 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 f75285e1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f75285e1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f75285e1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f75285e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f75285e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f75285e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f75285e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f75285e1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f75285e1 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4908 f75285e1 4908 f75285e1 4908 f75285e1 4908 f75285e1 4908 f75285e1 4908 f75285e1 4908 f75285e1 4908 f75285e1 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe Token: SeTcbPrivilege 920 8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe Token: SeDebugPrivilege 4908 f75285e1 Token: SeTcbPrivilege 4908 f75285e1
Processes
-
C:\Users\Admin\AppData\Local\Temp\8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.exe"C:\Users\Admin\AppData\Local\Temp\8ed1acd55e37d56c9f81310ba16594584d013d37539f2e08b58e0aad766ff020.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:920
-
C:\Windows\Syswow64\f75285e1C:\Windows\Syswow64\f75285e11⤵
- 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:4908
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f75285e1
- Size 761KB
- SHA256 165c059e98bca868562d146ab8c2c60b339198775304dd288917b55919123a86
- MD5 431fe929ac6d2fae62d3ffc9bf297fee
- SHA1 b9d3f145ec2249286550435625d000120e1beb23
- SHA512 c36b2dd6bf404f375a2b261752789ff669680cc87633e9e338645fc7c87518a47ec685e891e1f0f4aa01f834e3901ba7ad0038fc6a89d85518a4cf7e72bb8e29
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:2vO2xJKRw2kOkxSkW298B
- TLSH T15CF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH