Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/05/2026, 20:20
Behavioral task
behavioral1
Sample
f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe
- Size 761KB
- Sample260503-y4k6msgx6v
- SHA256 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9
- MD5 219a82f45856e32c57ccb0dc956a9f23
- SHA1 b4010c03d553e6c99719826e433091d61393f969
- SHA512 a599dc05077e9c5c0dc6154ed349bfb3b8cf4f6975ef8f34ccc037b938297cff11e6332f2ff0f055ba0d110e64caaaedc016bfe0b75644d930561edd76598049
- SSDEEP 12288:zSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:GvO2xJKRw2kOkxSkW298B
- TLSH T12EF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3472 cbb7ef78 - 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 146 114.114.114.114 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Destination IP 148 223.5.5.5 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Destination IP 3 114.114.114.114 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Destination IP 4 223.5.5.5 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Destination IP 31 114.114.114.114 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Destination IP 33 223.5.5.5 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cbb7ef78 File created C:\Windows\SysWOW64\cbb7ef78 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cbb7ef78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cbb7ef78 -
resource yara_rule behavioral1/memory/3136-0-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral1/files/0x00080000000242a9-3.dat upx behavioral1/memory/3472-4-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral1/memory/3136-10-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral1/memory/3472-12-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral1/memory/3472-40-0x0000000000430000-0x00000000004BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3b7120 cbb7ef78 File opened for modification C:\Windows\35b080 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.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 cbb7ef78 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe - 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 cbb7ef78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cbb7ef78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cbb7ef78 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cbb7ef78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cbb7ef78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cbb7ef78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cbb7ef78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cbb7ef78 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cbb7ef78 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3472 cbb7ef78 3472 cbb7ef78 3472 cbb7ef78 3472 cbb7ef78 3472 cbb7ef78 3472 cbb7ef78 3472 cbb7ef78 3472 cbb7ef78 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Token: SeTcbPrivilege 3136 f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe Token: SeDebugPrivilege 3472 cbb7ef78 Token: SeTcbPrivilege 3472 cbb7ef78
Processes
-
C:\Users\Admin\AppData\Local\Temp\f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.exe"C:\Users\Admin\AppData\Local\Temp\f0585c68f92cef1d736587c76f43d0100e75e1f0ad4504c3eab7efddf5e940c9.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:3136
-
C:\Windows\Syswow64\cbb7ef78C:\Windows\Syswow64\cbb7ef781⤵
- 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:3472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cbb7ef78
- Size 761KB
- SHA256 1e437bed4347118fc64c15359af3d39461f82ed6e7f71b77ffc63e19270cd908
- MD5 ef2dd041acce38da9c4ee2c61311a823
- SHA1 d52e02b58d71a6c2f5c609fab9f59e1c98953cfd
- SHA512 6da5efea6b8ef8426413f2435d6dd3a411ba8a48a1fb120db843202cc0ec77926ebb540e1adf84a672d65a3a71aab70cf90c7d13e87011c08d5b0287b55ee0a3
- SSDEEP 12288:jSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:WvO2xJKRw2kOkxSkW298B
- TLSH T144F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH