Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/09/2026, 01:54
Behavioral task
behavioral1
Sample
e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe
- Size 576KB
- Sample260905-cb3pbs1yet
- SHA256 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77
- MD5 f7627560b8ecd01aaa4fee56d04872dd
- SHA1 9c4b291c4ca6de71c5950708dc4ab75405051cd7
- SHA512 ff386075d52521e90d5a6581037736b3fc82a33cfc4881bbc85bf63081fc2a5003dbb9b05efe99ca8f5edb8e918c4c58820fbcb27592a3ccda06a1c74bb170c5
- SSDEEP 6144:2cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:2SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1DCC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1672 331d898e - 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 5 223.5.5.5 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe Destination IP 16 114.114.114.114 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe Destination IP 22 223.5.5.5 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe Destination IP 3 114.114.114.114 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.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 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 331d898e File created C:\Windows\SysWOW64\331d898e e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 331d898e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 331d898e -
resource yara_rule behavioral2/memory/4512-0-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/files/0x000c00000001b87e-2.dat upx behavioral2/memory/1672-3-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral2/memory/4512-13-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/memory/1672-14-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral2/memory/1672-35-0x0000000000430000-0x00000000004BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1ca010 331d898e File opened for modification C:\Windows\4d3f40 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.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 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 331d898e - 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" 331d898e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 331d898e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 331d898e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 331d898e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 331d898e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 331d898e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 331d898e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 331d898e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 331d898e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1672 331d898e 1672 331d898e 1672 331d898e 1672 331d898e 1672 331d898e 1672 331d898e 1672 331d898e 1672 331d898e 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe Token: SeTcbPrivilege 4512 e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe Token: SeDebugPrivilege 1672 331d898e Token: SeTcbPrivilege 1672 331d898e
Processes
-
C:\Users\Admin\AppData\Local\Temp\e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.exe"C:\Users\Admin\AppData\Local\Temp\e489f004e1dfae0dca430465a994135f69ca4e7bceaf478f2ea6ee57326f9a77.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:4512
-
C:\Windows\Syswow64\331d898eC:\Windows\Syswow64\331d898e1⤵
- 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:1672
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\331d898e
- Size 576KB
- SHA256 7a26767e4247d3570ff4e31afc32c381fc75ca31a67c045265a899c8dd237886
- MD5 3f6d835f09f610cf22d73a74469e5568
- SHA1 dfd86fb47add581b71bde42ff3afb17ae1252627
- SHA512 b453ee7ccb72717fed331f7fba0e4aa6a53fce66893db9f4d4aeef6989ddb81c59697a7d33d9556548f84722b062290468df9651c3e630e5ff04739318f002a4
- SSDEEP 6144:1cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:1SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T101C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH