Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/04/2026, 08:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe
Resource
win11-20260130-en
windows11-21h2-x64
9 signatures
150 seconds
General
- Target b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe
- Size 419KB
- Sample260419-jyf76set8k
- SHA256 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25
- MD5 007d6a278524498a0c3cd7754feeaf4f
- SHA1 3158a895822b1d4efd7ae29c7e8fb838ba126da1
- SHA512 0ae5e18a951929ed72b1a57152ced3b3c89329a49dd002349ce7d945a6d96170a1698ba2ceef1ba0d154361773c2ac520de573d7ea5f66c98e4dae42d7010930
- SSDEEP 6144:A6DmGnV0H2LALrYcdwVDL+gqFCcEOkCybEaQRXr9HNdvOa:A6D/WiA3YcyVDLjOkx2LIa
- TLSH T120947C29BAE08073C5678576C4E257A6FBB1B52127108ACFA390475A1F237E3BD3531E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4632 3973f851 - Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 4 223.5.5.5 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Destination IP 30 114.114.114.114 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Destination IP 32 223.5.5.5 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Destination IP 97 114.114.114.114 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Destination IP 2 114.114.114.114 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\3973f851 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3973f851 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3973f851 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f4d30 3973f851 File opened for modification C:\Windows\522d80 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.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 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3973f851 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3973f851 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3973f851 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3973f851 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3973f851 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3973f851 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3973f851 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3973f851 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3973f851 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3973f851 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4632 3973f851 4632 3973f851 4632 3973f851 4632 3973f851 4632 3973f851 4632 3973f851 4632 3973f851 4632 3973f851 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Token: SeTcbPrivilege 4800 b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe Token: SeDebugPrivilege 4632 3973f851 Token: SeTcbPrivilege 4632 3973f851
Processes
-
C:\Users\Admin\AppData\Local\Temp\b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.exe"C:\Users\Admin\AppData\Local\Temp\b6fabca2e86da9637598dbc74649bce920140a48142b086089d46ee06cc8ec25.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:4800
-
C:\Windows\Syswow64\3973f851C:\Windows\Syswow64\3973f8511⤵
- 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:4632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3973f851
- Size 419KB
- SHA256 43aa86737014a3b277ac89e739e8571e337141c74976f34a32a6c7ad35e7213b
- MD5 7ac2a47105076686f3bb6a8daa19d99a
- SHA1 9bb42c655a08c5f228f2afe7a53aef482204b4ad
- SHA512 27e639da5861237c4644c5a97df8f27907a1529f1825de26ee12e4771e73a0d6092629bc7d34f94c76471422c51373eade1415d505543caaa9a937ed54512b23
- SSDEEP 6144:76DmGnV0H2LALrYcdwVDL+gqFCcEOkCybEaQRXr9HNdvOa:76D/WiA3YcyVDLjOkx2LIa
- TLSH T18D947C29BAE08073C5678576C4E257A6FBB1B52127108ACFA390475A1F237E3BD3531E
- MD5 SHA1 SHA512 SSDEEP TLSH