Analysis
- max time kernel
149s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 09:09
Behavioral task
behavioral1
Sample
1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe
- Size 560KB
- Sample260424-k4erzaev2n
- SHA256 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541
- MD5 1671c141c985cfabed7131316fe5f191
- SHA1 8bd63034aa536a1cba49e8c8d6132c8207a4b029
- SHA512 1bb11cf17ecfd58a1f51f16b8c4829d1214e71be690768ca66f99954ab6707d4eace07c30f9f867e9ca9c79463328c25f006211f37d4671987f3b00819c01ddc
- SSDEEP 6144:l4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:lrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T15AC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2528 919e10ec - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 47 223.5.5.5 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 114 223.5.5.5 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 180 223.5.5.5 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 1 114.114.114.114 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 36 223.5.5.5 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 46 114.114.114.114 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 113 114.114.114.114 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 179 114.114.114.114 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 2 223.5.5.5 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Destination IP 35 114.114.114.114 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\919e10ec 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 919e10ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 919e10ec -
resource yara_rule behavioral2/memory/5988-0-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/files/0x000e000000028e7a-3.dat upx behavioral2/memory/2528-4-0x0000000000420000-0x00000000004AC000-memory.dmp upx behavioral2/memory/5988-18-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/memory/2528-19-0x0000000000420000-0x00000000004AC000-memory.dmp upx behavioral2/memory/2528-34-0x0000000000420000-0x00000000004AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2b47c0 919e10ec File opened for modification C:\Windows\668448 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.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 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 919e10ec - 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\Cookies\CachePrefix = "Cookie:" 919e10ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 919e10ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 919e10ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 919e10ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 919e10ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 919e10ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 919e10ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 919e10ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 919e10ec - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2528 919e10ec 2528 919e10ec 2528 919e10ec 2528 919e10ec 2528 919e10ec 2528 919e10ec 2528 919e10ec 2528 919e10ec 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Token: SeTcbPrivilege 5988 1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe Token: SeDebugPrivilege 2528 919e10ec Token: SeTcbPrivilege 2528 919e10ec
Processes
-
C:\Users\Admin\AppData\Local\Temp\1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.exe"C:\Users\Admin\AppData\Local\Temp\1681590367bcb2cb3121e3e265332ad17386d526108682d6c66a3a9351e92541.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:5988
-
C:\Windows\Syswow64\919e10ecC:\Windows\Syswow64\919e10ec1⤵
- 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:2528
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\919e10ec
- Size 560KB
- SHA256 9d35bff84a41b6e29ec2f9da3e9ac491071099caad40132c44b175c4cc9c282f
- MD5 0d682ed1236e4751a30ac24cbae5917f
- SHA1 26279296bcc24c9a3825f154d275ac3ee8995186
- SHA512 8fc8dd90cb7f805f98c8d59f143962ac7132f1da35701f038692aa40e0843ea1d8a1366d083c6c000de09b8b53d81382ba1397583d6bcdd66556d41f13f4f3b6
- SSDEEP 6144:b4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:brNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T16DC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH