Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 19:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe
- Size 374KB
- Sample260511-yd46tshs7w
- SHA256 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6
- MD5 a1418111c87dad2fbf706e8ff03e3b8a
- SHA1 4c9315c9515c94075278ac7f8ddb920aa64cee51
- SHA512 8200b4c70620b8f45c238c5f760dbe0d00162a2a068af6e8e13d6f062457017ff2e6eef37f4981e490231356337ce4cf0f739e87dc7dace9e5bcb8535b61fecb
- SSDEEP 6144:scTgav1cdCTuoPbgwmOLJvKRILSFvdFbcEOkCybEaQRXr9HNdvOaty8K:sSvO2x9mONvKRILSF/Okx2LIaty
- TLSH T177846D2AF6A0D076C4B79579C4A257AAFBB1742137204ACFA390475A1F237E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1612 ef103cc - 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 1 114.114.114.114 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe Destination IP 2 223.5.5.5 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe Destination IP 17 114.114.114.114 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe Destination IP 18 223.5.5.5 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.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 ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ef103cc File created C:\Windows\SysWOW64\ef103cc d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ef103cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ef103cc - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1b9918 ef103cc File opened for modification C:\Windows\327888 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.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 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef103cc - 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\Cookies\CachePrefix = "Cookie:" ef103cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ef103cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ef103cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ef103cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ef103cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ef103cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ef103cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ef103cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ef103cc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1612 ef103cc 1612 ef103cc 1612 ef103cc 1612 ef103cc 1612 ef103cc 1612 ef103cc 1612 ef103cc 1612 ef103cc 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe Token: SeTcbPrivilege 2948 d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe Token: SeDebugPrivilege 1612 ef103cc Token: SeTcbPrivilege 1612 ef103cc
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.exe"C:\Users\Admin\AppData\Local\Temp\d4cda8890565cba4b22120be65af075605e9c0fcd7c2f5d8ff45fbfc247f01b6.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:2948
-
C:\Windows\Syswow64\ef103ccC:\Windows\Syswow64\ef103cc1⤵
- 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:1612
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ef103cc
- Size 374KB
- SHA256 693f3e911b1d2cf7e59bc4fca59e1061c8dd647633fd599f788f80643eaf2608
- MD5 0fc5157c980da7b218a63bfa0ae0e74c
- SHA1 caf11e4d88259a3feb533571f6d12e4154e9c0fd
- SHA512 ccf5c975f5199a20f452077d70197e52dbf91e9c3d40adbab232080e0c988076f232c0959fac253f88b732b1f5581c2484897d2c4018d2f575d3ee2f509ae837
- SSDEEP 6144:AcTgav1cdCTuoPbgwmOLJvKRILSFvdFbcEOkCybEaQRXr9HNdvOaty8K:ASvO2x9mONvKRILSF/Okx2LIaty
- TLSH T1AD846D2AF6A0D076C4B79579C4A257AAFBB1742137204ACFA390475A1F237E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH