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
04/08/2026, 00:45
Behavioral task
behavioral1
Sample
cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe
- Size 576KB
- Sample260804-a4kccaac53
- SHA256 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b
- MD5 e2883bc973d80df046f88cd93d14c4bb
- SHA1 fa6664af1701b916f871ecce89694a3bc0f8cdc2
- SHA512 55314ca4c4e90b7ebbc0ba38bf1502879bd258429efd917d5f4d45c0571b5d221e9775047a88bb187afeff899d4f7a4eedd1c21aef6c0510d00e5c86547c5d81
- SSDEEP 6144:ZcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:ZSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T174C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1852 dc16f49c - 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 3 114.114.114.114 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe Destination IP 6 223.5.5.5 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe Destination IP 18 114.114.114.114 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe Destination IP 19 223.5.5.5 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dc16f49c File created C:\Windows\SysWOW64\dc16f49c cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dc16f49c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dc16f49c -
resource yara_rule behavioral2/memory/4712-0-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral2/files/0x000c000000016cd6-2.dat upx behavioral2/memory/1852-3-0x0000000000280000-0x000000000030C000-memory.dmp upx behavioral2/memory/4712-16-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral2/memory/1852-17-0x0000000000280000-0x000000000030C000-memory.dmp upx behavioral2/memory/1852-32-0x0000000000280000-0x000000000030C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1fb4f8 dc16f49c File opened for modification C:\Windows\50abd0 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.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 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dc16f49c - 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 dc16f49c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dc16f49c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dc16f49c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dc16f49c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dc16f49c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dc16f49c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dc16f49c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dc16f49c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dc16f49c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1852 dc16f49c 1852 dc16f49c 1852 dc16f49c 1852 dc16f49c 1852 dc16f49c 1852 dc16f49c 1852 dc16f49c 1852 dc16f49c 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe Token: SeTcbPrivilege 4712 cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe Token: SeDebugPrivilege 1852 dc16f49c Token: SeTcbPrivilege 1852 dc16f49c
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.exe"C:\Users\Admin\AppData\Local\Temp\cb54fdb8bd029cb13d22267c5f19fc5cd3cdad19f2143f4805d7395033febd8b.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:4712
-
C:\Windows\Syswow64\dc16f49cC:\Windows\Syswow64\dc16f49c1⤵
- 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:1852
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dc16f49c
- Size 576KB
- SHA256 45c037415180d334f79e6ce36394f78dc39877e1cce5911a1bcfbda8bc230ed4
- MD5 dec28254aabe43bd3caa41816902c362
- SHA1 f31847a20ef10603479109a3356fb5703f50a69b
- SHA512 80d47d873bb88c46d1da20db39b1f93431a107e7bd207b38ed5f61bc84c94c08efc82496cb211c2df118c5fc8a06b482ef4f90a949fa6baab571332310e27cdc
- SSDEEP 6144:vcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:vSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T160C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH