Analysis
- max time kernel
148s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 22:27
Behavioral task
behavioral1
Sample
27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe
- Size 271KB
- Sample260424-2c34xset5j
- SHA256 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0
- MD5 01b5766dbfc7fc2dc2576da63068e6bd
- SHA1 90d7814b35e1e5193bc8b5d3cf93515dc76bc0ea
- SHA512 b0130ec0ac1597c13a1fc51f53a6b6bdd165d986d033d79a636784a0e3b32e82d5e7e4d2c570ec73ad74254f25fffe5dd484964dc8cc70c321f2ec72dcfd23df
- SSDEEP 6144:2l51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:+qXUHkUXe39sOkx2LIa
- TLSH T10D44CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2528 68666d80 - 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 14 114.114.114.114 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Destination IP 15 223.5.5.5 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Destination IP 1 114.114.114.114 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Destination IP 2 223.5.5.5 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 68666d80 File created C:\Windows\SysWOW64\68666d80 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 68666d80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 68666d80 -
resource yara_rule behavioral2/memory/848-0-0x00000000007F0000-0x0000000000879000-memory.dmp upx behavioral2/files/0x002e00000002b19f-2.dat upx behavioral2/memory/2528-3-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/memory/848-18-0x00000000007F0000-0x0000000000879000-memory.dmp upx behavioral2/memory/2528-20-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/memory/2528-24-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/memory/848-35-0x00000000007F0000-0x0000000000879000-memory.dmp upx behavioral2/memory/2528-36-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/memory/848-39-0x00000000007F0000-0x0000000000879000-memory.dmp upx behavioral2/memory/848-45-0x00000000007F0000-0x0000000000879000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2b47c0 68666d80 File opened for modification C:\Windows\e84a0 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.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 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 68666d80 - 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" 68666d80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 68666d80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 68666d80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 68666d80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 68666d80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 68666d80 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 68666d80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 68666d80 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 68666d80 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2528 68666d80 2528 68666d80 2528 68666d80 2528 68666d80 2528 68666d80 2528 68666d80 2528 68666d80 2528 68666d80 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Token: SeTcbPrivilege 848 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Token: SeDebugPrivilege 2528 68666d80 Token: SeTcbPrivilege 2528 68666d80
Processes
-
C:\Users\Admin\AppData\Local\Temp\27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe"C:\Users\Admin\AppData\Local\Temp\27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.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:848
-
C:\Windows\Syswow64\68666d80C:\Windows\Syswow64\68666d801⤵
- 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:2528
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\68666d80
- Size 271KB
- SHA256 efb04a3081005a02c78ac90f5acda6b0a5970edf90c401a97622361320cb698c
- MD5 cd8235da9d6f179dfd7ade9a2b65de6b
- SHA1 8e403be3e568003e70608aa8fd7f41c1f796b9f6
- SHA512 6bf757b187de1afb4d85aee090906a34df9af2b8db27e79ca5d7ed5dfba08f100ad867ae211246464487d1860166eee5503f2a1f55589b1031babdd206f9ba03
- SSDEEP 6144:+l51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:WqXUHkUXe39sOkx2LIa
- TLSH T1BE44CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH