Analysis
- max time kernel
150s - 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
09/08/2026, 23:18
Behavioral task
behavioral1
Sample
55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe
- Size 1.7MB
- Sample260809-3akp8sxcnc
- SHA256 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce
- MD5 ef0bc672f4aee1f02b5abb4619ebe791
- SHA1 4ca17898e465b421fe272887c4753fd495fb0d27
- SHA512 291e228f61e65955404a137e0d15d8e444cb53ea449e86cb9e673a909779fe97c50103b505c5ead022fb696f6543e0969dc1c68b2e32f805f573e99c774df5a5
- SSDEEP 24576:MvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:MHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T179858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5000 57089a8 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 61 114.114.114.114 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Destination IP 62 223.5.5.5 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Destination IP 3 114.114.114.114 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Destination IP 4 223.5.5.5 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Destination IP 13 114.114.114.114 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Destination IP 14 223.5.5.5 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\57089a8 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 57089a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 57089a8 -
resource yara_rule behavioral2/memory/4892-0-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral2/files/0x000c000000016cd6-2.dat upx behavioral2/memory/5000-4-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/memory/4892-10-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral2/memory/5000-11-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/memory/5000-34-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\559a10 57089a8 File opened for modification C:\Windows\53c0b8 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.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 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 57089a8 - 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:" 57089a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 57089a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 57089a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 57089a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 57089a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 57089a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 57089a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 57089a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 57089a8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5000 57089a8 5000 57089a8 5000 57089a8 5000 57089a8 5000 57089a8 5000 57089a8 5000 57089a8 5000 57089a8 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Token: SeTcbPrivilege 4892 55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe Token: SeDebugPrivilege 5000 57089a8 Token: SeTcbPrivilege 5000 57089a8
Processes
-
C:\Users\Admin\AppData\Local\Temp\55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.exe"C:\Users\Admin\AppData\Local\Temp\55b10acaeb9b44540f0087c0bfdd80fd18d1b0d9b1193125cd84f3aee36f7cce.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:4892
-
C:\Windows\Syswow64\57089a8C:\Windows\Syswow64\57089a81⤵
- 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:5000
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\57089a8
- Size 1.7MB
- SHA256 1fb9aaed834ef542164f2862b20471905053f28a25559775123b89bcdf272f47
- MD5 4e706468e150753cf0495da9ecad4c14
- SHA1 08130e3d0e97bf849d3180358d05689b688b33ab
- SHA512 639eca80b52d23704748321b1304de0d14159061d2e26f6f9de81784caded15db96e7969190801f6fdb58df291d41d031a87aa9a227c3bc722fdcdf8bfa746d4
- SSDEEP 24576:ovO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:oHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T114858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH