Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/09/2026, 17:06
Behavioral task
behavioral1
Sample
bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe
- Size 560KB
- Sample260919-vmf9kstdqe
- SHA256 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf
- MD5 77fdcea2b02f08300199727f3884588b
- SHA1 7d9e0cfaa13f2234e2847b57d2c160aca689278f
- SHA512 73927293b6361beef571e50344cd490fca24503b75d75d5c7822b50ea17047f52e567f34c2e011e0fe5904525dbb90f70644fbc7fec1db75690220a9c9cfdca5
- SSDEEP 6144:46UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:4O7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T1C8C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2832 6b9fcf94 - 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 5 223.5.5.5 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 18 114.114.114.114 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 19 223.5.5.5 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 3 114.114.114.114 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.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\Content.IE5 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6b9fcf94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6b9fcf94 File created C:\Windows\SysWOW64\6b9fcf94 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe -
resource yara_rule behavioral2/memory/4976-0-0x00000000004A0000-0x000000000052C000-memory.dmp upx behavioral2/files/0x001100000001b846-2.dat upx behavioral2/memory/2832-4-0x00000000008D0000-0x000000000095C000-memory.dmp upx behavioral2/memory/4976-16-0x00000000004A0000-0x000000000052C000-memory.dmp upx behavioral2/memory/2832-17-0x00000000008D0000-0x000000000095C000-memory.dmp upx behavioral2/memory/2832-26-0x00000000008D0000-0x000000000095C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\307c20 6b9fcf94 File opened for modification C:\Windows\5530e0 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.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 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6b9fcf94 - 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\Content\CachePrefix 6b9fcf94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6b9fcf94 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6b9fcf94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6b9fcf94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6b9fcf94 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6b9fcf94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6b9fcf94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6b9fcf94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6b9fcf94 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2832 6b9fcf94 2832 6b9fcf94 2832 6b9fcf94 2832 6b9fcf94 2832 6b9fcf94 2832 6b9fcf94 2832 6b9fcf94 2832 6b9fcf94 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Token: SeTcbPrivilege 4976 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Token: SeDebugPrivilege 2832 6b9fcf94 Token: SeTcbPrivilege 2832 6b9fcf94
Processes
-
C:\Users\Admin\AppData\Local\Temp\bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe"C:\Users\Admin\AppData\Local\Temp\bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.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:4976
-
C:\Windows\Syswow64\6b9fcf94C:\Windows\Syswow64\6b9fcf941⤵
- 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:2832
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6b9fcf94
- Size 560KB
- SHA256 bfb6c805d742893fc623997bf7e1d7a9fdfd13d004e2891a9eaa80ff3d0073f1
- MD5 0be62ee45e9dc9e3a228e48bc8c2cbe8
- SHA1 5cf2655cf2df05f194cb9fd6981cdabd21c07ea2
- SHA512 476e4863adc5b21b16ae2126270199b44bb178e525cdd268ac5a06b971b63b4c00022bf7e6c2da08263753180cc394d36ae8393181eb8985e76f04cb9be8f157
- SSDEEP 6144:x6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:xO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T13BC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH