Analysis
- max time kernel
150s - max time network
152s - 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, 02:07
Behavioral task
behavioral1
Sample
59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe
- Size 832KB
- Sample261017-cj3paszz7j
- SHA256 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b
- MD5 a3cc5f0d6b177267fbf85d992acec697
- SHA1 0b1c50e243bcc86cf4e347ccdaf9974f85a49eb6
- SHA512 5a1c230c911ba284c2d46522646ba4442b76279f7277ec19ccc048ec1d1708d8a4822ebdc087132aa5cbc46f0e89643d05ce64731bc5af7997295dfec9d38fc3
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:0vO2xJKRw2kOkx2LFRvcUv
- TLSH T163055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4760 d13efc4d - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 39 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 96 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 181 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 236 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 438 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 40 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 95 114.114.114.114 4760 d13efc4d Destination IP 182 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 289 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 329 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 437 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 1 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 150 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 235 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 297 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 298 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 330 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 149 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 383 114.114.114.114 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 384 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 290 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Destination IP 3 223.5.5.5 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d13efc4d File created C:\Windows\SysWOW64\d13efc4d 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d13efc4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d13efc4d -
resource yara_rule behavioral2/memory/1248-0-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/files/0x000600000001b85a-2.dat upx behavioral2/memory/4760-4-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx behavioral2/memory/1248-18-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/memory/4760-19-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx behavioral2/memory/4760-42-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\517e30 d13efc4d File opened for modification C:\Windows\155dc0 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.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 d13efc4d Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain d13efc4d Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.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 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d13efc4d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d13efc4d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d13efc4d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d13efc4d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d13efc4d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d13efc4d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d13efc4d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d13efc4d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d13efc4d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d13efc4d - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4760 d13efc4d 4760 d13efc4d 4760 d13efc4d 4760 d13efc4d 4760 d13efc4d 4760 d13efc4d 4760 d13efc4d 4760 d13efc4d 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Token: SeTcbPrivilege 1248 59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe Token: SeDebugPrivilege 4760 d13efc4d Token: SeTcbPrivilege 4760 d13efc4d
Processes
-
C:\Users\Admin\AppData\Local\Temp\59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.exe"C:\Users\Admin\AppData\Local\Temp\59ecd55b280a7fd82b41b56e294857357e80219187ea1068f40132a975c3fb3b.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:1248
-
C:\Windows\Syswow64\d13efc4dC:\Windows\Syswow64\d13efc4d1⤵
- 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:4760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d13efc4d
- Size 832KB
- SHA256 77ce0563315e92d9c3f5f81b09e6b7c1ea91f7cb1974fc7888544c20a95ddb3a
- MD5 b345b64f3487eb0a1dedf1656744d9ce
- SHA1 10a06cd80326496af96b476c2d7dfcdb53f61167
- SHA512 4c84941ea4963d837ad05ec604cafd6b7d5a8b6190211dd86bc9182bcf48340e0abba5fafcc9908ccac97594ceeccdf8f0ca8141b3eb19ad2bbf6d8f9e132c85
- SSDEEP 12288:7SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:OvO2xJKRw2kOkx2LFRvcUv
- TLSH T151055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH