Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 15:44
Behavioral task
behavioral1
Sample
9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe
- Size 525KB
- Sample260804-s6ffaatejf
- SHA256 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8
- MD5 9cc1582c558301c42190cfd83523ea60
- SHA1 bd706e8cb932f5f987c3c961b227e186efdcb3d2
- SHA512 04768da3e852cd033b452b69c28bcd54707161ccdfdc3b7f11e22789ccef3ceeba374e12b58a4902770dd910e6632d6ffe941a3a022b2412a5f4fd9b98235afa
- SSDEEP 6144:9cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:9SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1CDB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1140 4bd10cc6 - 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 5 114.114.114.114 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Destination IP 6 223.5.5.5 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Destination IP 31 114.114.114.114 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Destination IP 32 223.5.5.5 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.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 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4bd10cc6 File created C:\Windows\SysWOW64\4bd10cc6 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4bd10cc6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4bd10cc6 -
resource yara_rule behavioral1/memory/4564-0-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral1/files/0x001c0000000243e0-2.dat upx behavioral1/memory/1140-4-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/memory/4564-16-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral1/memory/1140-17-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/memory/1140-28-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\138468 4bd10cc6 File opened for modification C:\Windows\4e2328 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.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 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4bd10cc6 - 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 4bd10cc6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4bd10cc6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4bd10cc6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4bd10cc6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4bd10cc6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4bd10cc6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4bd10cc6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4bd10cc6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4bd10cc6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1140 4bd10cc6 1140 4bd10cc6 1140 4bd10cc6 1140 4bd10cc6 1140 4bd10cc6 1140 4bd10cc6 1140 4bd10cc6 1140 4bd10cc6 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Token: SeTcbPrivilege 4564 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Token: SeDebugPrivilege 1140 4bd10cc6 Token: SeTcbPrivilege 1140 4bd10cc6
Processes
-
C:\Users\Admin\AppData\Local\Temp\9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe"C:\Users\Admin\AppData\Local\Temp\9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.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:4564
-
C:\Windows\Syswow64\4bd10cc6C:\Windows\Syswow64\4bd10cc61⤵
- 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:1140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4bd10cc6
- Size 525KB
- SHA256 4df396a30ebda73b8c4dae2ec14b72c080882ef078824e6421a80de1dbc0c9ab
- MD5 1ad06be7d9efa07ed901687d55b6d9ee
- SHA1 39a0964fd3e62acff617b8845b59ddefe8ba563c
- SHA512 815b17e314ca50cf4c433a994395d4b1e99b856010bd86e7543be363e20d3f03b423321cc439e3477b74678f830eb6e8c87ff1c270d1d104ca3f4dadb68fe8ae
- SSDEEP 6144:rcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:rSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1F3B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH