Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/10/2026, 07:32
Behavioral task
behavioral1
Sample
c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe
- Size 761KB
- Sample261017-jdf2nsvx4m
- SHA256 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d
- MD5 8ae4dc4ace9dcc4d71d2b83d974ce87e
- SHA1 8b0e1ba18db9b7b5d3451893a9736567db516369
- SHA512 ec40e04542f4e4626b98224232fdb718a23737dd8340a1ac1cbd547c242f87df0a88236031f4e2c9de5f5014fbf3099013f14f70fce0792e3754ca26b90abf8a
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:kvO2xJKRw2kOkxSkW298B
- TLSH T1E5F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4824 81e01e37 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 8 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 234 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 235 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 292 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 321 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 376 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 1 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 94 114.114.114.114 4824 81e01e37 Destination IP 125 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 180 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 181 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 322 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 375 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 40 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 95 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 138 223.5.5.5 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 39 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Destination IP 291 114.114.114.114 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\81e01e37 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81e01e37 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 81e01e37 -
resource yara_rule behavioral2/memory/1396-0-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/files/0x00180000000114ad-2.dat upx behavioral2/memory/4824-3-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx behavioral2/memory/1396-16-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/memory/4824-17-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx behavioral2/memory/4824-40-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5296b0 81e01e37 File opened for modification C:\Windows\17e668 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.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 81e01e37 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 81e01e37 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.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 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81e01e37 - 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\Cookies\CachePrefix = "Cookie:" 81e01e37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 81e01e37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 81e01e37 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 81e01e37 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 81e01e37 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 81e01e37 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 81e01e37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 81e01e37 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 81e01e37 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4824 81e01e37 4824 81e01e37 4824 81e01e37 4824 81e01e37 4824 81e01e37 4824 81e01e37 4824 81e01e37 4824 81e01e37 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Token: SeTcbPrivilege 1396 c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe Token: SeDebugPrivilege 4824 81e01e37 Token: SeTcbPrivilege 4824 81e01e37
Processes
-
C:\Users\Admin\AppData\Local\Temp\c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.exe"C:\Users\Admin\AppData\Local\Temp\c888ed04347910f519f016f8c4ed014f37671fb57e91cd295a76e9508d33e67d.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:1396
-
C:\Windows\Syswow64\81e01e37C:\Windows\Syswow64\81e01e371⤵
- 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:4824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\81e01e37
- Size 761KB
- SHA256 a64e40685ae241dab9295ea978da7cf0c1ee67705592055b4e8ca8a0601323c3
- MD5 df10fa596de1bd4dfc3c6397d712dec8
- SHA1 5309c1ffac8ceb5fe846b604af964ce0d54ab7f5
- SHA512 cc0b532fcd369c39cedf7ac7cabf893ebc121f4a5c72e516813ed91808f57ee94f486e38c8365a0507942925a8fc53d14b6417a32915db017740b4c339e58011
- SSDEEP 12288:xSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:YvO2xJKRw2kOkxSkW298B
- TLSH T15BF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH