Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/07/2026, 18:38
Behavioral task
behavioral1
Sample
51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe
- Size 1022KB
- Sample260706-w92dpsby9w
- SHA256 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241
- MD5 171b44831207d0758ffc2862ffd7e85e
- SHA1 5398b32368fe8f1e1ce32720ec0068644e1021f9
- SHA512 9c1ddf4958c9f3be7e804bebfe2d3004753ec2169acc4d2e20f5932388d0a3e9cd538a74a15cd1d9e71a35fd3ae02dd92f6747a4b7ee62414b951334d493c730
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:RvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T11F256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6004 c9984f74 - Unexpected DNS network traffic destination 6 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 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Destination IP 2 223.5.5.5 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Destination IP 25 114.114.114.114 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Destination IP 26 223.5.5.5 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Destination IP 73 114.114.114.114 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Destination IP 74 223.5.5.5 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c9984f74 File created C:\Windows\SysWOW64\c9984f74 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9984f74 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c9984f74 -
resource yara_rule behavioral2/memory/5988-0-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral2/files/0x000500000000053e-2.dat upx behavioral2/memory/6004-4-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx behavioral2/memory/5988-16-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral2/memory/6004-17-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx behavioral2/memory/6004-30-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\66ca68 c9984f74 File opened for modification C:\Windows\668448 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.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 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c9984f74 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c9984f74 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c9984f74 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c9984f74 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c9984f74 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c9984f74 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c9984f74 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c9984f74 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c9984f74 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c9984f74 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 6004 c9984f74 6004 c9984f74 6004 c9984f74 6004 c9984f74 6004 c9984f74 6004 c9984f74 6004 c9984f74 6004 c9984f74 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Token: SeTcbPrivilege 5988 51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe Token: SeDebugPrivilege 6004 c9984f74 Token: SeTcbPrivilege 6004 c9984f74
Processes
-
C:\Users\Admin\AppData\Local\Temp\51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.exe"C:\Users\Admin\AppData\Local\Temp\51c3ed73ea898da876b68ec174fbb81cce37621afdf578f919007ea98045d241.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:5988
-
C:\Windows\Syswow64\c9984f74C:\Windows\Syswow64\c9984f741⤵
- 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:6004
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c9984f74
- Size 1022KB
- SHA256 2b6d06e450dae0e806b710ef72146c4868f460219981f49ebd3dfe0826fd6b73
- MD5 170190d27a96de464ea326b49a0ca896
- SHA1 696f62459f794f1f66e7d7c20de9e609e717cbc2
- SHA512 2308c5d77ecd619fd457bfc3adae7647396672d8106d0da55536afdec0c3044c720dc16d8b9b61cd389279ee22eb0e3052bdb17ba975c94d57ac779bdb7c385e
- SSDEEP 12288:9SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:cvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T155256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH