Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 04:48
Behavioral task
behavioral1
Sample
b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe
- Size 873KB
- Sample260812-ffbm7awsd1
- SHA256 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0
- MD5 80cb679941f8212dc486650dc3f7418a
- SHA1 2ab6cfe591486b7a670267c9a982921258ce925a
- SHA512 0db4288b50ca1f52cd5dfc45242cdc588cc30339409f7321bc251d495c90a9b1f02d46d0ca75bcf1878e18e5b2bdce149619b87bbd1a757fa0b37b963fc804eb
- SSDEEP 12288:+SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:9vO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1C6156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4336 dfd00d94 - 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 4 223.5.5.5 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe Destination IP 18 114.114.114.114 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe Destination IP 19 223.5.5.5 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe Destination IP 3 114.114.114.114 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dfd00d94 File created C:\Windows\SysWOW64\dfd00d94 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dfd00d94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dfd00d94 -
resource yara_rule behavioral2/memory/2560-0-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral2/memory/4336-3-0x0000000000DE0000-0x0000000000E6C000-memory.dmp upx behavioral2/files/0x000b00000001b315-4.dat upx behavioral2/memory/2560-18-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral2/memory/4336-19-0x0000000000DE0000-0x0000000000E6C000-memory.dmp upx behavioral2/memory/4336-28-0x0000000000DE0000-0x0000000000E6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a3be0 dfd00d94 File opened for modification C:\Windows\2bd400 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.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 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfd00d94 - 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\Cookies\CachePrefix = "Cookie:" dfd00d94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dfd00d94 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dfd00d94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dfd00d94 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dfd00d94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dfd00d94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dfd00d94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dfd00d94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dfd00d94 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4336 dfd00d94 4336 dfd00d94 4336 dfd00d94 4336 dfd00d94 4336 dfd00d94 4336 dfd00d94 4336 dfd00d94 4336 dfd00d94 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe Token: SeTcbPrivilege 2560 b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe Token: SeDebugPrivilege 4336 dfd00d94 Token: SeTcbPrivilege 4336 dfd00d94
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.exe"C:\Users\Admin\AppData\Local\Temp\b7b167b1bc3e8e7a511a1947f5e340626cb4d856751d859de3cf9284de69a3e0.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:2560
-
C:\Windows\Syswow64\dfd00d94C:\Windows\Syswow64\dfd00d941⤵
- 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:4336
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dfd00d94
- Size 873KB
- SHA256 493bffa3758870af588f48b89734eb4e8e73bdae3516c109d5cfa16a12d583b4
- MD5 d5334a9a17bbcb0660a10632db4bd34d
- SHA1 f344c16c5b0001c7b863467c0dc12e4858babcc0
- SHA512 2afe9952da020ad9dbf5e8cc13a80cbb5453dfa893f688294ae1a05de0b4f5c3d60beb1e4ec412c2af8d7098d59909ef2de3d4134aa78018782c22b0c090b786
- SSDEEP 12288:0SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:HvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T198156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH