Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/07/2026, 17:16
Behavioral task
behavioral1
Sample
d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe
- Size 576KB
- Sample260712-vtedkaf17w
- SHA256 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508
- MD5 37bebe70d8a1e53e41d14577ad73ca3a
- SHA1 c6cda332388f865fcdb88d526e33796e2e955af4
- SHA512 4d4b961d6e71d5e623e6abc1d2a2300fdb48bc4f6ed44f4772c2825a6d6e65affa02e530f3de45756533e450d1e333d30d0e2e42164c453712b02b9cbf602cb5
- SSDEEP 12288:YqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:YjHPOSOkx2LFscUQPK
- TLSH T145C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3496 b26ed1c - 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 1 114.114.114.114 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe Destination IP 2 223.5.5.5 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe Destination IP 16 114.114.114.114 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe Destination IP 17 223.5.5.5 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b26ed1c File created C:\Windows\SysWOW64\b26ed1c d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b26ed1c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b26ed1c -
resource yara_rule behavioral2/memory/860-0-0x00000000001F0000-0x0000000000279000-memory.dmp upx behavioral2/files/0x000a000000016cdf-2.dat upx behavioral2/memory/3496-4-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/860-18-0x00000000001F0000-0x0000000000279000-memory.dmp upx behavioral2/memory/3496-20-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/3496-24-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/860-36-0x00000000001F0000-0x0000000000279000-memory.dmp upx behavioral2/memory/3496-37-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/3496-42-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/860-46-0x00000000001F0000-0x0000000000279000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3bda50 b26ed1c File opened for modification C:\Windows\eb938 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.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 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b26ed1c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b26ed1c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b26ed1c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b26ed1c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b26ed1c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b26ed1c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b26ed1c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b26ed1c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b26ed1c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b26ed1c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3496 b26ed1c 3496 b26ed1c 3496 b26ed1c 3496 b26ed1c 3496 b26ed1c 3496 b26ed1c 3496 b26ed1c 3496 b26ed1c 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe Token: SeTcbPrivilege 860 d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe Token: SeDebugPrivilege 3496 b26ed1c Token: SeTcbPrivilege 3496 b26ed1c
Processes
-
C:\Users\Admin\AppData\Local\Temp\d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.exe"C:\Users\Admin\AppData\Local\Temp\d749a5484e8579e7a307f38abe2fb14c888271b7a178c95dc16324c1c0e8b508.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:860
-
C:\Windows\Syswow64\b26ed1cC:\Windows\Syswow64\b26ed1c1⤵
- 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:3496
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b26ed1c
- Size 576KB
- SHA256 0394a8b7541df204ba75da4d64fd44244667b42da7ec42f97be933f4e5bcabd6
- MD5 2712835a17d5dd140dbfa9946c8af26d
- SHA1 69d16b3185d12181402dc699fb3198fa6526a1ec
- SHA512 ef62dd460e96f11670b49cc04308b347e9088a8082c0e34fa8b7a071ae7ea9455dea4b5ec37966d19d1e294e652bdb8f898ebdfacf0fdb8ebe79823a0423e260
- SSDEEP 12288:QqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:QjHPOSOkx2LFscUQPK
- TLSH T1C3C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH