Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/10/2026, 20:37
Behavioral task
behavioral1
Sample
f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe
- Size 1022KB
- Sample261002-zedwpssaqa
- SHA256 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331
- MD5 84e2b4e575b4df7ca162597157d4b91b
- SHA1 54e52f967cfb0a69afe9789338966ff8524edf6d
- SHA512 d247c348a9be124d658606cc2643fd08f5aecd53fa3b63f546bd9d8a4239ce52e9f1754f92bca4582ee93f1e74a23458b2cedc68b99ad0ca8ab4e7415b4fa4cb
- SSDEEP 12288:VSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:UvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T1CA256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4024 2a3f00a8 - Unexpected DNS network traffic destination 20 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 123 114.114.114.114 4024 2a3f00a8 Destination IP 192 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 193 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 475 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 3 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 124 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 339 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 341 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 413 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 6 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 58 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 243 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 304 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 305 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 382 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 59 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 244 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 383 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 414 223.5.5.5 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Destination IP 474 114.114.114.114 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\2a3f00a8 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2a3f00a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2a3f00a8 -
resource yara_rule behavioral1/memory/4388-0-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral1/files/0x00170000000242b7-2.dat upx behavioral1/memory/4024-4-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral1/memory/4388-18-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral1/memory/4024-19-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral1/memory/4024-38-0x00000000005E0000-0x000000000066C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\44e470 2a3f00a8 File opened for modification C:\Windows\4b1fc8 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2a3f00a8 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2a3f00a8 - 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 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2a3f00a8 - 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:" 2a3f00a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2a3f00a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2a3f00a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2a3f00a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2a3f00a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2a3f00a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2a3f00a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2a3f00a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2a3f00a8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4024 2a3f00a8 4024 2a3f00a8 4024 2a3f00a8 4024 2a3f00a8 4024 2a3f00a8 4024 2a3f00a8 4024 2a3f00a8 4024 2a3f00a8 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Token: SeTcbPrivilege 4388 f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe Token: SeDebugPrivilege 4024 2a3f00a8 Token: SeTcbPrivilege 4024 2a3f00a8
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe"C:\Users\Admin\AppData\Local\Temp\f4f81960041abadc470dec70220ea496c90e25d380c34c1583741ce06b97c331.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
-
C:\Windows\Syswow64\2a3f00a8C:\Windows\Syswow64\2a3f00a81⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4024
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\2a3f00a8
- Size 1022KB
- SHA256 20c0ea2fcd6879fa26bf9012e49048ac7bc473bb9d71a218de338d5c54241a1c
- MD5 835165e41ca560e6eae87efea672f34e
- SHA1 ea16661ce9efe970f1687ec529622856f8c7e1d0
- SHA512 e9246c93f5425d160609eb78da7244fa431212619d919d3c3e46c72a8bc7a2dae088c1f85bf57b88f76665f8d27cf2b3034f6c90d8af781e8f01a188aeb351df
- SSDEEP 12288:8SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:PvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T164256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH