Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/05/2026, 10:50
Behavioral task
behavioral1
Sample
2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe
- Size 525KB
- Sample260501-mxrt3aex4s
- SHA256 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17
- MD5 b30e19f585e0a6b8f6d90ddd89b3b59f
- SHA1 d733cc5be171a9621047cfac390aef1a74d9de64
- SHA512 9244cdcbf05d4d9aca8cac51358e304b6e796ad93b47482b8974f7041e68e77a1d3efaf8439aa1a990b2dbe24a94c49950660b5d8f98315dc1c54daf66442433
- SSDEEP 6144:7cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:7SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1EBB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5116 f8643738 - 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 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe Destination IP 2 223.5.5.5 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe Destination IP 18 114.114.114.114 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe Destination IP 19 223.5.5.5 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8643738 File created C:\Windows\SysWOW64\f8643738 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f8643738 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f8643738 -
resource yara_rule behavioral2/memory/5544-0-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral2/files/0x000c000000027002-2.dat upx behavioral2/memory/5116-3-0x00000000002E0000-0x000000000036C000-memory.dmp upx behavioral2/memory/5544-18-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral2/memory/5116-20-0x00000000002E0000-0x000000000036C000-memory.dmp upx behavioral2/memory/5116-40-0x00000000002E0000-0x000000000036C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\579678 f8643738 File opened for modification C:\Windows\5eea50 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.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 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f8643738 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f8643738 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f8643738 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f8643738 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f8643738 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f8643738 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f8643738 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f8643738 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f8643738 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f8643738 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5116 f8643738 5116 f8643738 5116 f8643738 5116 f8643738 5116 f8643738 5116 f8643738 5116 f8643738 5116 f8643738 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe Token: SeTcbPrivilege 5544 2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe Token: SeDebugPrivilege 5116 f8643738 Token: SeTcbPrivilege 5116 f8643738
Processes
-
C:\Users\Admin\AppData\Local\Temp\2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.exe"C:\Users\Admin\AppData\Local\Temp\2583ebddfb81d36d02db396986748403ede36d30bce2102509f3a0ce2ac99f17.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:5544
-
C:\Windows\Syswow64\f8643738C:\Windows\Syswow64\f86437381⤵
- 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:5116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\f8643738
- Size 525KB
- SHA256 67f3caf724b44353b6d976e65bb5d1417d0d5eb6ad127bdffe3d4bfa6f05225a
- MD5 fdd7f55708c0b6d463e2a52b351294ad
- SHA1 7d623e0d4f7bfc28b0ba5315288dc5e1230fe7bf
- SHA512 f5fce3a7ff9650e072d9b4dbc222afae26ed4ddd92545ebcc1f1faa9b9ecf4fbaf2ecb34493b4ce36eb57fffef86b904da38ed4ae3c9fd7c547c5012d4ad37f6
- SSDEEP 6144:JcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:JSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T11CB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH