Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 19:19
Behavioral task
behavioral1
Sample
ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe
- Size 560KB
- Sample260722-x1ph8ashjf
- SHA256 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc
- MD5 27e1ebd42be458ec44255887b9fcb0fd
- SHA1 28a9543897b62b401c19b4a39a72a3249b25c519
- SHA512 3d0a550320455b2ab1c082d7228f4832a1386a9890f366b75ea02482bb620be1279cb2b304bd3f625bc6db9e2a4b9a5cf08a643ae2458b1cb0ac3bef0e50ffd0
- SSDEEP 6144:6WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:6kCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T128C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4916 8a97a2c4 - 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 1 114.114.114.114 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe Destination IP 3 223.5.5.5 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe Destination IP 14 114.114.114.114 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe Destination IP 15 223.5.5.5 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8a97a2c4 File created C:\Windows\SysWOW64\8a97a2c4 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8a97a2c4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8a97a2c4 -
resource yara_rule behavioral2/memory/936-0-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4916-3-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/files/0x000d00000001b87d-2.dat upx behavioral2/memory/936-10-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4916-11-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/memory/4916-28-0x00000000004F0000-0x000000000057C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5429e8 8a97a2c4 File opened for modification C:\Windows\100650 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.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 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8a97a2c4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8a97a2c4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8a97a2c4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8a97a2c4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8a97a2c4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8a97a2c4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8a97a2c4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8a97a2c4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8a97a2c4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8a97a2c4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4916 8a97a2c4 4916 8a97a2c4 4916 8a97a2c4 4916 8a97a2c4 4916 8a97a2c4 4916 8a97a2c4 4916 8a97a2c4 4916 8a97a2c4 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe Token: SeTcbPrivilege 936 ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe Token: SeDebugPrivilege 4916 8a97a2c4 Token: SeTcbPrivilege 4916 8a97a2c4
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.exe"C:\Users\Admin\AppData\Local\Temp\ab53b6f9958c029b955ab89cf254ec1b489593f1e71ed837f13383767da867dc.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:936
-
C:\Windows\Syswow64\8a97a2c4C:\Windows\Syswow64\8a97a2c41⤵
- 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:4916
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8a97a2c4
- Size 560KB
- SHA256 e7587adbc0faec67eacb7f626a3f973e3653c084310b3071631f5cc7481f207f
- MD5 a026200683c863664abec272e9c7fb22
- SHA1 c3d517901434ce2ef29595e2f42667faf45b0bad
- SHA512 0702b4875ddc4ccdfb2ae9da399dec50f8a77ef10b25937371a7eb4fd2c6cc2de344ac22f9a42839537d4bf9a93d8b88e72490454a403d1de55391e3a6f4d988
- SSDEEP 6144:fWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:fkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1A6C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH