Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/07/2026, 19:46
Behavioral task
behavioral1
Sample
c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe
- Size 761KB
- Sample260706-yg5xjacw7t
- SHA256 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd
- MD5 0362a23a4e03722144b28ab5ef717f60
- SHA1 758cefdc3d03b4e368cb26fe95dcfd57ec16e6c3
- SHA512 7b27d069c160f9c9ec2958d546ea33a8382ffee87a9a11ac5bab4cb322065f3d9f53c10e429deb3520d87d4f772639ebabd8c5f13436379c93e1e2418de0c838
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:VvO2xJKRw2kOkxSkW298B
- TLSH T163F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5216 510d799a - 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 1 114.114.114.114 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Destination IP 2 223.5.5.5 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Destination IP 31 114.114.114.114 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Destination IP 32 223.5.5.5 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Destination IP 44 114.114.114.114 5216 510d799a Destination IP 45 223.5.5.5 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.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 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 510d799a File created C:\Windows\SysWOW64\510d799a c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 510d799a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 510d799a -
resource yara_rule behavioral2/memory/5892-0-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx behavioral2/files/0x000700000001b863-2.dat upx behavioral2/memory/5216-3-0x0000000000360000-0x00000000003EC000-memory.dmp upx behavioral2/memory/5892-16-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx behavioral2/memory/5216-17-0x0000000000360000-0x00000000003EC000-memory.dmp upx behavioral2/memory/5216-30-0x0000000000360000-0x00000000003EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\594cc0 510d799a File opened for modification C:\Windows\64df88 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.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 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 510d799a - 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 510d799a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 510d799a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 510d799a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 510d799a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 510d799a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 510d799a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 510d799a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 510d799a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 510d799a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5216 510d799a 5216 510d799a 5216 510d799a 5216 510d799a 5216 510d799a 5216 510d799a 5216 510d799a 5216 510d799a 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Token: SeTcbPrivilege 5892 c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe Token: SeDebugPrivilege 5216 510d799a Token: SeTcbPrivilege 5216 510d799a
Processes
-
C:\Users\Admin\AppData\Local\Temp\c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.exe"C:\Users\Admin\AppData\Local\Temp\c2f889abfb91daf4b8b884b85f96da99445a337754836fff42b0666656907efd.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:5892
-
C:\Windows\Syswow64\510d799aC:\Windows\Syswow64\510d799a1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:5216
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\510d799a
- Size 761KB
- SHA256 d906377f30380ff00bee0c7a2c7aff3ff0d6ef5e3567b85cd93c1235f45b2c90
- MD5 5c2f3675830ef699faeb9919e24a1a7f
- SHA1 943d06ff8bfb8519854fc9dc994773ab425f94ed
- SHA512 f1a7e11a3e3f8930eae9718c40cd5125174ab23cd417161851efca1d7da6ce7e2408ebf8b1e679102a04a1cd5fc1f04e39366161df07b556ab2b5a47b5b47969
- SSDEEP 12288:HSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:yvO2xJKRw2kOkxSkW298B
- TLSH T14DF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH