Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 22:11
Behavioral task
behavioral1
Sample
b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe
- Size 560KB
- Sample260729-14bnbaff46
- SHA256 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead
- MD5 328186913562d350a1654280cc4480c0
- SHA1 4b4f61c13f8d5fc3b0cfa6f993c46fda3d2df33d
- SHA512 60efc8f1a7e8c2a612fc3c875a6d68bc6ef728562ca4d3564e4eb472186607c282aba67907f0203f99fc1a27cc7634925aa92464a4f005a0c6b43840175f1b9a
- SSDEEP 6144:jUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:jYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1FEC48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5808 cbb636a4 - 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 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe Destination IP 2 223.5.5.5 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe Destination IP 10 114.114.114.114 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe Destination IP 11 223.5.5.5 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cbb636a4 File created C:\Windows\SysWOW64\cbb636a4 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cbb636a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cbb636a4 -
resource yara_rule behavioral2/memory/4536-0-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/files/0x0009000000019cc1-2.dat upx behavioral2/memory/5808-3-0x0000000000B30000-0x0000000000BBC000-memory.dmp upx behavioral2/memory/4536-10-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/memory/5808-11-0x0000000000B30000-0x0000000000BBC000-memory.dmp upx behavioral2/memory/5808-36-0x0000000000B30000-0x0000000000BBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\636f60 cbb636a4 File opened for modification C:\Windows\4da870 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.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 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cbb636a4 - 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 cbb636a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cbb636a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cbb636a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cbb636a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cbb636a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cbb636a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cbb636a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cbb636a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cbb636a4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5808 cbb636a4 5808 cbb636a4 5808 cbb636a4 5808 cbb636a4 5808 cbb636a4 5808 cbb636a4 5808 cbb636a4 5808 cbb636a4 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe Token: SeTcbPrivilege 4536 b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe Token: SeDebugPrivilege 5808 cbb636a4 Token: SeTcbPrivilege 5808 cbb636a4
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.exe"C:\Users\Admin\AppData\Local\Temp\b2f2827ad57a25d89b9006da07f98c0fda750929a28250b37008075dfc07fead.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:4536
-
C:\Windows\Syswow64\cbb636a4C:\Windows\Syswow64\cbb636a41⤵
- 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:5808
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3216
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cbb636a4
- Size 560KB
- SHA256 ea4fbc5f543560569ed9b7f925af3425e6304bfe624a6e97340a77c548fe7770
- MD5 00e7c2ff84ff204ccd7bad4b4410b40b
- SHA1 c693c193406f69f57e50d3e11023e3d6d930d6eb
- SHA512 dae8ef3ff92ee68dcb1de975f27fe751acd73268a8679d573e3f12acedea43b07448ef5773d622e26df72f8fba848d73589cee475d4ee1f006b89a5bd32fd5e8
- SSDEEP 6144:OUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:OYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1DBC48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH