Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 07:55
Behavioral task
behavioral1
Sample
12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe
- Size 525KB
- Sample260527-jscykabs4x
- SHA256 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8
- MD5 71567ee94a07011e1e82f83050781c1a
- SHA1 759d3130e64aabbc65d3515a726b0697a14eec68
- SHA512 b5708d75b14bc799d76c19e874bd5590307acccb37589c606a17485b66a31b4c4cd14161d887cc6072fa3849bbaf84c31996a49dcdc1449c00466988f9abd1b8
- SSDEEP 6144:IcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:ISvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1F2B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4684 ba0b681f - 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 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe Destination IP 2 223.5.5.5 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe Destination IP 12 114.114.114.114 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe Destination IP 13 223.5.5.5 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ba0b681f File created C:\Windows\SysWOW64\ba0b681f 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ba0b681f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ba0b681f -
resource yara_rule behavioral2/memory/4000-0-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral2/memory/4684-3-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/files/0x000600000000d40b-2.dat upx behavioral2/memory/4000-10-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral2/memory/4684-11-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/memory/4684-26-0x0000000000FE0000-0x000000000106C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\447b40 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe File opened for modification C:\Windows\503118 ba0b681f - 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 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ba0b681f - 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\Cookies\CachePrefix = "Cookie:" ba0b681f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ba0b681f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ba0b681f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ba0b681f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ba0b681f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ba0b681f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ba0b681f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ba0b681f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ba0b681f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4684 ba0b681f 4684 ba0b681f 4684 ba0b681f 4684 ba0b681f 4684 ba0b681f 4684 ba0b681f 4684 ba0b681f 4684 ba0b681f 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe Token: SeTcbPrivilege 4000 12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe Token: SeDebugPrivilege 4684 ba0b681f Token: SeTcbPrivilege 4684 ba0b681f
Processes
-
C:\Users\Admin\AppData\Local\Temp\12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.exe"C:\Users\Admin\AppData\Local\Temp\12e2258f4e7b1b728b20c6eeb107d3406c693187ac1dc151d5221851b1b8fdc8.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:4000
-
C:\Windows\Syswow64\ba0b681fC:\Windows\Syswow64\ba0b681f1⤵
- 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:4684
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ba0b681f
- Size 525KB
- SHA256 f1d7d271f81dee28772dacb095e95c974262f6b630eec5947cecdd60db0345f5
- MD5 c26602e46cece9959ee27126eb547968
- SHA1 b769d5857d972af7e4fcf6b28ba0bd334be68d5e
- SHA512 9649091317a9a10798679452134d0376a97a9b0780980042fda8d0762f3d8cb9afbbc55ad60a32136e2cc611c66b84e45c3c31efb6f72fb85fcfcf6d5e2eea60
- SSDEEP 6144:fcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:fSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1C3B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH