Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 3116 f7816d0c - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 7 223.5.5.5 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 54 114.114.114.114 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 56 223.5.5.5 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 139 114.114.114.114 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Destination IP 140 223.5.5.5 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f7816d0c File created C:\Windows\SysWOW64\f7816d0c bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f7816d0c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f7816d0c -
resource yara_rule behavioral1/memory/3980-0-0x0000000000540000-0x00000000005CC000-memory.dmp upx behavioral1/files/0x000d000000024244-2.dat upx behavioral1/memory/3116-4-0x0000000000660000-0x00000000006EC000-memory.dmp upx behavioral1/memory/3980-13-0x0000000000540000-0x00000000005CC000-memory.dmp upx behavioral1/memory/3116-14-0x0000000000660000-0x00000000006EC000-memory.dmp upx behavioral1/memory/3116-28-0x0000000000660000-0x00000000006EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3558d8 f7816d0c File opened for modification C:\Windows\442398 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 f7816d0c - 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\History\CachePrefix = "Visited:" f7816d0c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f7816d0c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f7816d0c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f7816d0c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f7816d0c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f7816d0c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f7816d0c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f7816d0c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f7816d0c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3116 f7816d0c 3116 f7816d0c 3116 f7816d0c 3116 f7816d0c 3116 f7816d0c 3116 f7816d0c 3116 f7816d0c 3116 f7816d0c 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Token: SeTcbPrivilege 3980 bba03af53afb982bc2b897d9c0982b70f5bd3b234248c48706453ff485242baf.exe Token: SeDebugPrivilege 3116 f7816d0c Token: SeTcbPrivilege 3116 f7816d0c
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:3980
-
C:\Windows\Syswow64\f7816d0cC:\Windows\Syswow64\f7816d0c1⤵
- 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:3116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f7816d0c
- Size 560KB
- SHA256 38a17baad5a8d3e5d07fd89a55e1c2e79f0fb0cf1a7b1254ecaa8a77b745f23a
- MD5 111ed2835e23fcdc8743d92bbe5f1f94
- SHA1 74d360aac560d83b8e41fc9e8674313e21e5604a
- SHA512 26b3a04a24d8ff2014d3fb651c576d2a67724a4c89ac45e6f174ae95ec0c76d127e44b17204c231a0ce39ed1de471ee99fb53ae5cee659e94e69e3916c767baa
- SSDEEP 6144:H6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:HO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T17DC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH