Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 00:00
Behavioral task
behavioral1
Sample
803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe
- Size 618KB
- Sample260813-aar54avyfw
- SHA256 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5
- MD5 bdc737b170120c1f6020d8f3df33b956
- SHA1 388913d8bd518c60f9ace288223a1b50c147a4b4
- SHA512 41c32b74bc8e61aea46e77c4fa9524d0543855072045eb7eb315caa7a37f4f26df86b3f73e1e7ab185a47283818ca74cd0d2f33a26e8d3f6a6bf27eee81f1fd9
- SSDEEP 12288:OqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:OjHPOSOkx2LFscUQPxW
- TLSH T1F0D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1204 1c694ece - 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 2 223.5.5.5 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe Destination IP 15 114.114.114.114 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe Destination IP 16 223.5.5.5 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe Destination IP 1 114.114.114.114 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.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 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1c694ece File created C:\Windows\SysWOW64\1c694ece 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1c694ece File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c694ece -
resource yara_rule behavioral2/memory/6760-0-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/files/0x00160000000118ee-2.dat upx behavioral2/memory/1204-3-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/6760-10-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/1204-12-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/6760-33-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/1204-34-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/6760-43-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/1204-44-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/1204-45-0x00000000000E0000-0x0000000000169000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\149ce8 1c694ece File opened for modification C:\Windows\73bbd0 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.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 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c694ece - 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 1c694ece Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1c694ece Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1c694ece Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1c694ece Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1c694ece Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1c694ece Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1c694ece Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1c694ece Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1c694ece - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1204 1c694ece 1204 1c694ece 1204 1c694ece 1204 1c694ece 1204 1c694ece 1204 1c694ece 1204 1c694ece 1204 1c694ece 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe Token: SeTcbPrivilege 6760 803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe Token: SeDebugPrivilege 1204 1c694ece Token: SeTcbPrivilege 1204 1c694ece
Processes
-
C:\Users\Admin\AppData\Local\Temp\803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.exe"C:\Users\Admin\AppData\Local\Temp\803c8f9c5241acee0b0190271e982c9a2b7ccbbc3a85968ce8e0557d9b56cec5.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:6760
-
C:\Windows\Syswow64\1c694eceC:\Windows\Syswow64\1c694ece1⤵
- 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:1204
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1c694ece
- Size 618KB
- SHA256 6abc9725a407579ac04544eb32def88e0ab31dfc43efa48be5df24a48ffb4f64
- MD5 e30e5870a8d88f7f6a1af6afbf067cb1
- SHA1 1f280e7f365ad7ece3e43e6e0e6cf56e400b09a0
- SHA512 509a1e4f5c38ff3331238a88056381a5822c01ed0dade5e0d42c9b48f23dddfded0aac3243fe35c2035b6b021673ef35f18c3988d7b9886079c80581fbe0f8cb
- SSDEEP 12288:NqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:NjHPOSOkx2LFscUQPxW
- TLSH T13AD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH