Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 22:20
Behavioral task
behavioral1
Sample
f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe
- Size 560KB
- Sample260601-19acfags61
- SHA256 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b
- MD5 749d64f6e2302833bd4fa41bf74a7462
- SHA1 fdc56d48f925dac96cdb663deb2d6d59e1d1245d
- SHA512 4b0499ecfc4c44539d9b86cfe7cdb15b48c0c16025708f32006ab6fda66c8e04a28b01eab857d9a34c5552a23d82199672a5bc6871226d470f28b694d7437688
- SSDEEP 6144:iWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:ikCO2zVPX7vf1LKlIsOkxHy
- TLSH T190C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2920 1abc7e92 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 1 114.114.114.114 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe Destination IP 2 223.5.5.5 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe Destination IP 9 114.114.114.114 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe Destination IP 10 223.5.5.5 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1abc7e92 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1abc7e92 File created C:\Windows\SysWOW64\1abc7e92 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1abc7e92 -
resource yara_rule behavioral2/memory/5480-0-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/files/0x00190000000256cc-2.dat upx behavioral2/memory/2920-4-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral2/memory/5480-10-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/2920-11-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral2/memory/2920-29-0x0000000000090000-0x000000000011C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\31fdd0 1abc7e92 File opened for modification C:\Windows\5dd1d0 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.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 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1abc7e92 - 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 1abc7e92 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1abc7e92 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1abc7e92 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1abc7e92 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1abc7e92 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1abc7e92 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1abc7e92 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1abc7e92 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1abc7e92 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2920 1abc7e92 2920 1abc7e92 2920 1abc7e92 2920 1abc7e92 2920 1abc7e92 2920 1abc7e92 2920 1abc7e92 2920 1abc7e92 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe Token: SeTcbPrivilege 5480 f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe Token: SeDebugPrivilege 2920 1abc7e92 Token: SeTcbPrivilege 2920 1abc7e92
Processes
-
C:\Users\Admin\AppData\Local\Temp\f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe"C:\Users\Admin\AppData\Local\Temp\f5f8746f995bbe76a931f7634e84f1b310d217213d686676de901be2c993460b.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5480
-
C:\Windows\Syswow64\1abc7e92C:\Windows\Syswow64\1abc7e921⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1abc7e92
- Size 560KB
- SHA256 225ff0eb880ad6ae191ff1e6d34c30cc013295f3bba16a51668ac9f29770efd5
- MD5 f460762135bd920d535118a4e86cebcc
- SHA1 f48ff07249b6cef350d5c52adf5605a4f846cd5d
- SHA512 cd3c182b62c92b6d48d264d48a0bb2b6f5f93f4018eedb5305c77db75d4abbac063daf9694975e3aed30d707f3f67a097b2059baa4afe2faf83e4f8294b0e25b
- SSDEEP 6144:HWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:HkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1DDC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH