Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 07:35
Behavioral task
behavioral1
Sample
bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe
- Size 384KB
- Sample260823-jevapafk3x
- SHA256 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c
- MD5 1051375dddd51e90ec30a06a27f69225
- SHA1 9576d3905092f7bbdbee8a899afd7de78eac24ef
- SHA512 5f108eb2f377be9d652bf26ee03ead2b79b8b62abe0fb89123b8c04b0a81596fbe4b885dd501f61c2f9e9daefd8f59b1adf2f58227be7b8cededc59a93606e4c
- SSDEEP 6144:yl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:KqXUHkUXe39sOkx2LIan5g
- TLSH T113849D22F3518036C1978672C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 724 329caba8 - 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 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe Destination IP 2 223.5.5.5 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe Destination IP 18 114.114.114.114 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe Destination IP 19 223.5.5.5 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\329caba8 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 329caba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 329caba8 -
resource yara_rule behavioral2/memory/2760-0-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/724-3-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/2760-22-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/724-24-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/724-29-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/2760-46-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/724-47-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/2760-66-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\c6528 329caba8 File opened for modification C:\Windows\2f4090 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.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 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 329caba8 - 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" 329caba8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 329caba8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 329caba8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 329caba8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 329caba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 329caba8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 329caba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 329caba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 329caba8 - Suspicious behavior: EnumeratesProcesses 40 IoCs
pid Process 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 724 329caba8 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe Token: SeTcbPrivilege 2760 bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe Token: SeDebugPrivilege 724 329caba8 Token: SeTcbPrivilege 724 329caba8
Processes
-
C:\Users\Admin\AppData\Local\Temp\bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.exe"C:\Users\Admin\AppData\Local\Temp\bbc8b8145e1b98b362f2fab8cf7471e827c0c9603087b1791b6ab049eb29902c.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:2760
-
C:\Windows\Syswow64\329caba8C:\Windows\Syswow64\329caba81⤵
- 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:724
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\329caba8
- Size 384KB
- SHA256 191bcc6a2d2f80f2c6be027cc61cb5a8e52980841d17045e55e1c3bcea1a054f
- MD5 f14dd4ea1f8312129ace33a1b64694c9
- SHA1 3c4b26911a1f6b3d52cfe33e8fe46389024a4fe2
- SHA512 8df1f47e411d1a1106266afe6dfd8495896377ffb0d30709a409c42c7d0500b1c6256aa8aea849c9969c58372c6b9bcb263d8759a265045c8cad96e8e297a06d
- SSDEEP 6144:4l51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:8qXUHkUXe39sOkx2LIan5g
- TLSH T167849D22F3518036C1978676C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\c6528
- Size 716B
- SHA256 b8996fdce5b1f710448f3d776490e09e1b7dc3a4f162f11d3b7ee4eb2090efff
- MD5 f2b3cbefa5801c06d098916d9fde0c7e
- SHA1 e3a8835f59940c0ef768b5b7f62a3f04bec08c7b
- SHA512 543888309cac9c4cd52b988bcb9754ec8c141a52c268d96dd6ef06d5edb4523270b91733584c8eb99a817906bb741edf410744c38d299e809f8b98add5332444
- TLSH T1C101443DB4EC20A04D7F49945A4BCFE4B257503B013B225E00C676F71017DD8AD52432
- MD5 SHA1 SHA512 TLSH