Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 5512 49dfbfc8 - 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 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Destination IP 40 114.114.114.114 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Destination IP 41 223.5.5.5 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Destination IP 3 114.114.114.114 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\49dfbfc8 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 49dfbfc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 49dfbfc8 -
resource yara_rule behavioral1/memory/5960-0-0x0000000000100000-0x000000000018C000-memory.dmp upx behavioral1/files/0x0005000000023237-2.dat upx behavioral1/memory/5512-4-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral1/memory/5960-18-0x0000000000100000-0x000000000018C000-memory.dmp upx behavioral1/memory/5512-19-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral1/memory/5512-27-0x0000000000FD0000-0x000000000105C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5e5e10 49dfbfc8 File opened for modification C:\Windows\660990 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 49dfbfc8 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 49dfbfc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 49dfbfc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 49dfbfc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 49dfbfc8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 49dfbfc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 49dfbfc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 49dfbfc8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 49dfbfc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 49dfbfc8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5512 49dfbfc8 5512 49dfbfc8 5512 49dfbfc8 5512 49dfbfc8 5512 49dfbfc8 5512 49dfbfc8 5512 49dfbfc8 5512 49dfbfc8 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Token: SeTcbPrivilege 5960 bb0524bc4cbd62289ee308d3c17d4c44c4b900cfc636270a648437f533eb4e33.exe Token: SeDebugPrivilege 5512 49dfbfc8 Token: SeTcbPrivilege 5512 49dfbfc8
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:5960
-
C:\Windows\Syswow64\49dfbfc8C:\Windows\Syswow64\49dfbfc81⤵
- 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:5512
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\49dfbfc8
- Size 638KB
- SHA256 d3856910137b11c848bacb7efc0b9432b508abfc83c1ea4b256395e20a306aba
- MD5 28df4077157928fcd6cbe8b71ad53a7a
- SHA1 6fe4fba6fe02e62782e63d2946c199a2c00aebd2
- SHA512 bea143faa0ccf6a802d7d4ad68746d38be80e8c5eca72dfddb3519df21ba7bf96ef37fb03d67e0e59bdccdb97a862ac89834a1e5003651ae05d995cc4d8bc002
- SSDEEP 6144:9cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:9SvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1F1D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH