Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/09/2026, 19:43
Behavioral task
behavioral1
Sample
e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe
- Size 560KB
- Sample260925-yfqffsysct
- SHA256 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43
- MD5 a794c217423ac41a1bb830218711b9bb
- SHA1 b10b8a4df0c45fc26f2d2a26247a56ed0f8527e7
- SHA512 84bc2faff984a6707e1b23ea44b81d785d1afc23ac8f43fa6c58616a4e4f9fa9607c9843361f56cbcb52b62d104a3559b4a5a848dc724706ce02805a69d81683
- SSDEEP 6144:pWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:pkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T137C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4236 1f819d7c - 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 201 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 235 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 300 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 418 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 478 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 4 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 55 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 299 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 341 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 386 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 3 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 61 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 202 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 387 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 417 114.114.114.114 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 129 114.114.114.114 4236 1f819d7c Destination IP 130 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 236 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 342 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Destination IP 479 223.5.5.5 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\1f819d7c e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f819d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f819d7c -
resource yara_rule behavioral1/memory/4884-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/files/0x00070000000004e8-2.dat upx behavioral1/memory/4236-3-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral1/memory/4884-18-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/memory/4236-19-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral1/memory/4236-38-0x0000000000180000-0x000000000020C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\488598 1f819d7c File opened for modification C:\Windows\539da8 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.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 1f819d7c Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 1f819d7c Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.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 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f819d7c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1f819d7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1f819d7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1f819d7c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1f819d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1f819d7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1f819d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1f819d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1f819d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1f819d7c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4236 1f819d7c 4236 1f819d7c 4236 1f819d7c 4236 1f819d7c 4236 1f819d7c 4236 1f819d7c 4236 1f819d7c 4236 1f819d7c 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Token: SeTcbPrivilege 4884 e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe Token: SeDebugPrivilege 4236 1f819d7c Token: SeTcbPrivilege 4236 1f819d7c
Processes
-
C:\Users\Admin\AppData\Local\Temp\e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.exe"C:\Users\Admin\AppData\Local\Temp\e19376e099e89fea6219ac2bea9dd72fa61e6a499ab8c51b7d8461bf67355c43.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:4884
-
C:\Windows\Syswow64\1f819d7cC:\Windows\Syswow64\1f819d7c1⤵
- 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:4236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1f819d7c
- Size 560KB
- SHA256 6cb4f5c4edd3f8a843bb48f4b327c9bc01535e8cde2bb30b0ee3ac49b6cde3da
- MD5 9bb1f5227160820b445b636b12491dfc
- SHA1 19d233bc24cc8b92894080d298b5c1983f2953e1
- SHA512 5f9abda302a4f0da26784e5244f0cb5f17759888b64922e61927bac7b5e480a640f38ae222eb48a6e54f6896b6eba5a77efaafad9443ae94083899bec9fbdbc5
- SSDEEP 6144:uWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:ukCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1CAC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH