Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/09/2026, 21:41
Behavioral task
behavioral1
Sample
1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe
- Size 766KB
- Sample260926-1j3lassbmd
- SHA256 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339
- MD5 0341cfbb93a3f1446101f7fc7ba4e021
- SHA1 050741b375405ae4dbc2ef3c5cc8fe307ce83ece
- SHA512 652c2f43af3d2d96813b2c5c0b11de0ed18c8c2d031546a2955346debe2906c3d5d0ca5289e9961679d737eef40a016cc007087cf2c647b99b7984d58bf15745
- SSDEEP 12288:qSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:xvO2xJKRw2kOkx2LFRvcUV
- TLSH T1AAF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2524 f3ae550f - Unexpected DNS network traffic destination 28 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 547 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 637 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 193 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 194 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 481 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 607 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 638 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 698 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 699 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 57 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 58 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 124 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 302 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 343 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 344 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 391 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 451 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 3 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 121 114.114.114.114 2524 f3ae550f Destination IP 239 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 241 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 389 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 450 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 482 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 606 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 4 223.5.5.5 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 301 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Destination IP 546 114.114.114.114 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\f3ae550f 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f3ae550f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f3ae550f -
resource yara_rule behavioral1/memory/1592-0-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral1/files/0x00070000000004ea-2.dat upx behavioral1/memory/2524-3-0x0000000000400000-0x000000000048C000-memory.dmp upx behavioral1/memory/1592-18-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral1/memory/2524-19-0x0000000000400000-0x000000000048C000-memory.dmp upx behavioral1/memory/2524-40-0x0000000000400000-0x000000000048C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2b3638 f3ae550f File opened for modification C:\Windows\1b4170 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.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 f3ae550f Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain f3ae550f Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.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 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3ae550f - 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\Content\CachePrefix f3ae550f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f3ae550f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f3ae550f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f3ae550f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f3ae550f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f3ae550f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f3ae550f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f3ae550f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f3ae550f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2524 f3ae550f 2524 f3ae550f 2524 f3ae550f 2524 f3ae550f 2524 f3ae550f 2524 f3ae550f 2524 f3ae550f 2524 f3ae550f 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Token: SeTcbPrivilege 1592 1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe Token: SeDebugPrivilege 2524 f3ae550f Token: SeTcbPrivilege 2524 f3ae550f
Processes
-
C:\Users\Admin\AppData\Local\Temp\1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.exe"C:\Users\Admin\AppData\Local\Temp\1fa4ece468a46e2cd38594ff757bdffa18a28678bcde26b9ac9a8e8b02419339.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:1592
-
C:\Windows\Syswow64\f3ae550fC:\Windows\Syswow64\f3ae550f1⤵
- 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:2524
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f3ae550f
- Size 766KB
- SHA256 d006320e7d7870d2c8d251192c60fdaacb6f060b4883284e30690da7f169330f
- MD5 7f4494508612b5296010807a2afa31d0
- SHA1 ab6a91edee0470f004178c1c362e101bd0ef1f4f
- SHA512 5ea7c5fca815d437264ec7159a1216ce333d6931cfbbe017f89c67daef8bfb03b8236152786e7f0902176a0f7dbbca77c30d2d8e401e7a16f0370b6417a0b362
- SSDEEP 12288:kSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:XvO2xJKRw2kOkx2LFRvcUV
- TLSH T1BBF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH