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
18/07/2026, 01:01
Behavioral task
behavioral1
Sample
6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe
- Size 618KB
- Sample260718-bdqbcabs5p
- SHA256 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270
- MD5 503de32682b61cbb4abe4ac5363ca3e1
- SHA1 a178eb4fbc14bd99f9bb784fdd2af4c70eb88ca5
- SHA512 3016f2227e6aa85db26ee60a30ebf4871ab93336eded4d7842cf8b42417223ba8dfc8aa4dda812ebcca48b31653c465fa3a24e2fe1487329f9333cb0b6eddaa2
- SSDEEP 12288:oqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:ojHPOSOkx2LFscUQPxW
- TLSH T1C0D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2824 b4763ac - 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 19 114.114.114.114 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe Destination IP 20 223.5.5.5 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe Destination IP 2 114.114.114.114 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe Destination IP 4 223.5.5.5 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b4763ac File created C:\Windows\SysWOW64\b4763ac 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b4763ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b4763ac -
resource yara_rule behavioral2/memory/1380-0-0x0000000000930000-0x00000000009B9000-memory.dmp upx behavioral2/files/0x0011000000019cbf-4.dat upx behavioral2/memory/2824-3-0x0000000000240000-0x00000000002C9000-memory.dmp upx behavioral2/memory/1380-10-0x0000000000930000-0x00000000009B9000-memory.dmp upx behavioral2/memory/2824-12-0x0000000000240000-0x00000000002C9000-memory.dmp upx behavioral2/memory/1380-31-0x0000000000930000-0x00000000009B9000-memory.dmp upx behavioral2/memory/2824-32-0x0000000000240000-0x00000000002C9000-memory.dmp upx behavioral2/memory/2824-38-0x0000000000240000-0x00000000002C9000-memory.dmp upx behavioral2/memory/1380-41-0x0000000000930000-0x00000000009B9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\305910 b4763ac File opened for modification C:\Windows\17a048 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.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 b4763ac Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe - 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\History\CachePrefix = "Visited:" b4763ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b4763ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b4763ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b4763ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b4763ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b4763ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b4763ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b4763ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b4763ac - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA b4763ac Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 b4763ac - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2824 b4763ac 2824 b4763ac 2824 b4763ac 2824 b4763ac 2824 b4763ac 2824 b4763ac 2824 b4763ac 2824 b4763ac 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe Token: SeTcbPrivilege 1380 6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe Token: SeDebugPrivilege 2824 b4763ac Token: SeTcbPrivilege 2824 b4763ac
Processes
-
C:\Users\Admin\AppData\Local\Temp\6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.exe"C:\Users\Admin\AppData\Local\Temp\6aa8523f9fed597413c265e371c0c542c76721a2f804e6c4245a651139ba8270.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:1380
-
C:\Windows\Syswow64\b4763acC:\Windows\Syswow64\b4763ac1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b4763ac
- Size 618KB
- SHA256 5e5f42ee7de635487632e1e048067e25af5ea4b974353d5f8833160e2bab4ef7
- MD5 0d5bcb1d82a776916cd3e044b048a15b
- SHA1 b66311f39f2d6bf1cbe7cef1625f03dde8828840
- SHA512 fa2b876489f9f605608d94f1eb22c34187a83dc51435c782b26296234590449e1c3a134788a99d7abe152084aa10b6caa973c2c6d42dded55b221b975d9f71be
- SSDEEP 12288:6qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:6jHPOSOkx2LFscUQPxW
- TLSH T1F1D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH