Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/09/2026, 22:39
Behavioral task
behavioral1
Sample
bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe
- Size 638KB
- Sample260920-2k8dlsdf28
- SHA256 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33
- MD5 6a36ad0d9ce54886258695993fdb8896
- SHA1 0b07464c1ed828e28a389baa7cb5c8591c61cdaa
- SHA512 475696582f07cb8e8e5621bdcd6e55a99f7b7d60210d4871ce9741145b0f2e8208ddf7f599e001fecfc3adc492382a9a7e13b284532f17265010618af0e6acc3
- SSDEEP 6144:XcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:XSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1AED46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4328 c7345a80 - 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 3 114.114.114.114 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Destination IP 4 223.5.5.5 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Destination IP 21 114.114.114.114 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Destination IP 22 223.5.5.5 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c7345a80 File created C:\Windows\SysWOW64\c7345a80 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c7345a80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c7345a80 -
resource yara_rule behavioral2/memory/856-0-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral2/files/0x0006000000016b39-2.dat upx behavioral2/memory/4328-3-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/856-15-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral2/memory/4328-16-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/4328-36-0x0000000000010000-0x000000000009C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a18d0 c7345a80 File opened for modification C:\Windows\ea7b0 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.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 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c7345a80 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c7345a80 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c7345a80 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c7345a80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c7345a80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c7345a80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c7345a80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c7345a80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c7345a80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c7345a80 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4328 c7345a80 4328 c7345a80 4328 c7345a80 4328 c7345a80 4328 c7345a80 4328 c7345a80 4328 c7345a80 4328 c7345a80 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Token: SeTcbPrivilege 856 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Token: SeDebugPrivilege 4328 c7345a80 Token: SeTcbPrivilege 4328 c7345a80
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe"C:\Users\Admin\AppData\Local\Temp\bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.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:856
-
C:\Windows\Syswow64\c7345a80C:\Windows\Syswow64\c7345a801⤵
- 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:4328
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\c7345a80
- Size 638KB
- SHA256 cbe219be0705cc4dc89946dbe5453d6c55219ff045e02c8500e276c63cc84590
- MD5 f3574aad30deba948ab95cc9978040bc
- SHA1 a66372fe3052b66d189c171cbf0cba9eecb4e064
- SHA512 f0a31815cb19f0877551085eb4f12a7c188e20fe5ee0514e8d5817bc15825690d4d713b64aa010e335a4fdf52559053f0ff83f2c538faebc9c277fa7d216cf37
- SSDEEP 6144:2cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:2SvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T16FD46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH