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, 13:39
Behavioral task
behavioral1
Sample
7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe
- Size 560KB
- Sample260804-qx5byaysbs
- SHA256 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0
- MD5 6c3339dc3b77d5b63392f9ae94c83fda
- SHA1 b93bbf7db63da4f437bb4967a5c46a082f71dc61
- SHA512 e7e5f1a9eb773081b2c20fd0da445d25403b88411eb238e6ebeea0eebdc27826462ba705bb231e79db77cb0ed87db57f70ba9633f40cd93762538cc3decff154
- SSDEEP 6144:bWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:bkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T138C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 620 18d619a8 - 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 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe Destination IP 4 223.5.5.5 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe Destination IP 15 114.114.114.114 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe Destination IP 16 223.5.5.5 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 18d619a8 File created C:\Windows\SysWOW64\18d619a8 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 18d619a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 18d619a8 -
resource yara_rule behavioral2/memory/4344-0-0x0000000000310000-0x000000000039C000-memory.dmp upx behavioral2/files/0x000700000001b888-2.dat upx behavioral2/memory/620-3-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/4344-15-0x0000000000310000-0x000000000039C000-memory.dmp upx behavioral2/memory/620-16-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/620-35-0x00000000000F0000-0x000000000017C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\a9d58 18d619a8 File opened for modification C:\Windows\4a5ef0 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.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 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 18d619a8 - 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 18d619a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 18d619a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 18d619a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 18d619a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 18d619a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 18d619a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 18d619a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 18d619a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 18d619a8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 620 18d619a8 620 18d619a8 620 18d619a8 620 18d619a8 620 18d619a8 620 18d619a8 620 18d619a8 620 18d619a8 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe Token: SeTcbPrivilege 4344 7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe Token: SeDebugPrivilege 620 18d619a8 Token: SeTcbPrivilege 620 18d619a8
Processes
-
C:\Users\Admin\AppData\Local\Temp\7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.exe"C:\Users\Admin\AppData\Local\Temp\7c1035e21a6944e4fbcec254e9db2e821fdb0de817cb59d368db2e8363567da0.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:4344
-
C:\Windows\Syswow64\18d619a8C:\Windows\Syswow64\18d619a81⤵
- 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:620
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\18d619a8
- Size 560KB
- SHA256 7511e0829bd737cb5eb84ed5bbd2919d6c3f5b7f603a7fd91964f5893f7c04da
- MD5 49c7abbae59bc1d7ebb3b3dd351d9a73
- SHA1 cb208b92556d7741566fbe488522b46b0eb6ba17
- SHA512 d5f816c3530450c3308fd2398104736283b88e4a18334bbdbc871babcc7b9940e82d0afa3a156ec0070d509ddfae8a10154737b6aabd6aa977765534f0efcc21
- SSDEEP 6144:lWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:lkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T123C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH