Analysis
- max time kernel
148s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 21:32
Behavioral task
behavioral1
Sample
b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe
- Size 560KB
- Sample260815-1dv92avtht
- SHA256 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac
- MD5 35a402b2b54f7ef1b1478d71996af3a6
- SHA1 4bc22d960d05d96b8c24bcd5aee97ab4e7e993b9
- SHA512 7e3609502bdc37e36b124dcd118e1e1c110a9934c014757d59686a920a3450b989b10bd47cda60f7024d37a1129a52df6e37a62ad5e62a7f2bb13ae9a48e0700
- SSDEEP 6144:76UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:7O7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T1D8C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2992 f189da26 - 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 16 114.114.114.114 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe Destination IP 17 223.5.5.5 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe Destination IP 1 114.114.114.114 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe Destination IP 3 223.5.5.5 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f189da26 File created C:\Windows\SysWOW64\f189da26 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f189da26 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f189da26 -
resource yara_rule behavioral2/memory/4952-0-0x0000000000870000-0x00000000008FC000-memory.dmp upx behavioral2/files/0x001100000001b664-2.dat upx behavioral2/memory/2992-4-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/4952-13-0x0000000000870000-0x00000000008FC000-memory.dmp upx behavioral2/memory/2992-14-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/2992-34-0x0000000000550000-0x00000000005DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\333960 f189da26 File opened for modification C:\Windows\54c7b0 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.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 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f189da26 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f189da26 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f189da26 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f189da26 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f189da26 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f189da26 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f189da26 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f189da26 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f189da26 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f189da26 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2992 f189da26 2992 f189da26 2992 f189da26 2992 f189da26 2992 f189da26 2992 f189da26 2992 f189da26 2992 f189da26 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe Token: SeTcbPrivilege 4952 b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe Token: SeDebugPrivilege 2992 f189da26 Token: SeTcbPrivilege 2992 f189da26
Processes
-
C:\Users\Admin\AppData\Local\Temp\b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.exe"C:\Users\Admin\AppData\Local\Temp\b5bfe560b24aada541746fedb720274666bfceb54503b2d154e9e74aa037dcac.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:4952
-
C:\Windows\Syswow64\f189da26C:\Windows\Syswow64\f189da261⤵
- 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:2992
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f189da26
- Size 560KB
- SHA256 d158f7a06788d459f35807f8cd85926db369500730a8839d5bb036ff2d558157
- MD5 0d0bec12f34d5ea5ac47f86dfa0e46ce
- SHA1 499617589f6977dfb3ceab702c32fc50bf8e3b0c
- SHA512 404ec7d5e6f3c38d76f70a6c0f678649ff9300670c5cdf1592774a32023eb9533c17929151821f8a50d36cf441e18f648a4c1430d25c4046ad2af1ff916cfedb
- SSDEEP 6144:I6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:IO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T143C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH