Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
12/08/2026, 15:03
Behavioral task
behavioral1
Sample
3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe
- Size 560KB
- Sample260812-sfbpeadd86
- SHA256 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98
- MD5 b54f69fc83db217a094c0481e4462cd7
- SHA1 4d77ce884ec2322bc23f77c8b44fb1680f764239
- SHA512 b9b5c82bd521eca0e1483513e832d84908e94ec23943c73ffd55c895505714cf7fdf5bda0e1d97ada0ca2f0678b7af310d4102ead5e769ac34ddae66bd735536
- SSDEEP 12288:n3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:1VOL4/gPXKCOkx2LFR
- TLSH T180C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2628 a9e3e899 - 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 3 114.114.114.114 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe Destination IP 4 223.5.5.5 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe Destination IP 35 114.114.114.114 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe Destination IP 36 223.5.5.5 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a9e3e899 File created C:\Windows\SysWOW64\a9e3e899 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a9e3e899 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a9e3e899 -
resource yara_rule behavioral1/memory/4220-0-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral1/files/0x000b0000000242ee-2.dat upx behavioral1/memory/2628-4-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/4220-18-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral1/memory/2628-19-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/2628-29-0x0000000000460000-0x00000000004EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2cfe08 a9e3e899 File opened for modification C:\Windows\483f78 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.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 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a9e3e899 - 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:" a9e3e899 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a9e3e899 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a9e3e899 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a9e3e899 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a9e3e899 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a9e3e899 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a9e3e899 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a9e3e899 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a9e3e899 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2628 a9e3e899 2628 a9e3e899 2628 a9e3e899 2628 a9e3e899 2628 a9e3e899 2628 a9e3e899 2628 a9e3e899 2628 a9e3e899 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe Token: SeTcbPrivilege 4220 3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe Token: SeDebugPrivilege 2628 a9e3e899 Token: SeTcbPrivilege 2628 a9e3e899
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.exe"C:\Users\Admin\AppData\Local\Temp\3a3de1693f88612e02b1a91efcd7f78416cf88b275fc8201e3b31832a555ef98.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:4220
-
C:\Windows\Syswow64\a9e3e899C:\Windows\Syswow64\a9e3e8991⤵
- 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:2628
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\a9e3e899
- Size 560KB
- SHA256 a33ee384f9d19e0cdd0e63664753868e0870270598d7a595a114afa6aa4dbe9a
- MD5 799e937e1b0a34ef32d4ed3db1e175ff
- SHA1 a4f7e3e93e7cf1365e7fb6d1571c889ae12a2132
- SHA512 df6b0f3d27b5952f31ad9f085f8f15b438a4dabd0026eaf8078942b7b2f69549cb0a6c492a8e1f18bec8a8cd5f1f3d49c8b3c0954b20962febd49b57338a8db2
- SSDEEP 12288:63Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:aVOL4/gPXKCOkx2LFR
- TLSH T17BC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH