Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 04:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe
- Size 4.0MB
- Sample260423-e2977sgy9m
- SHA256 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4
- MD5 cb8a96c12015b27d295669940d533c0b
- SHA1 b68ac73e4c7549c7794b45a7509ae08803742cc2
- SHA512 24e3d2f9dc6b26e2a7c03c16d923cdb1f8ebcdeeba780e3361244f9ba2e1c1c214a1cb134f6a2fbf7090a5342bd7f88ef097a4492c2f738e794829c4084c82ac
- SSDEEP 98304:vnKl2qOb2lP8ssYoJxKkyWsM0r1QnfKHV0Fe7:vCNDtojKL2Kqo7
- TLSH T18D16CF11F7A1C036C49701718D7A876EA678BD214B258AC7B3C47B6E5FB23D1AE3530A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1092 88cb8fec - 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 18 223.5.5.5 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Destination IP 1 114.114.114.114 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Destination IP 2 223.5.5.5 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Destination IP 17 114.114.114.114 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 88cb8fec File created C:\Windows\SysWOW64\88cb8fec c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 88cb8fec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 88cb8fec - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\12b208 88cb8fec File opened for modification C:\Windows\342ed0 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.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 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 88cb8fec - 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\History\CachePrefix = "Visited:" 88cb8fec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 88cb8fec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 88cb8fec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 88cb8fec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 88cb8fec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 88cb8fec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 88cb8fec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 88cb8fec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 88cb8fec - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1092 88cb8fec 1092 88cb8fec 1092 88cb8fec 1092 88cb8fec 1092 88cb8fec 1092 88cb8fec 1092 88cb8fec 1092 88cb8fec 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Token: SeTcbPrivilege 3048 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Token: SeDebugPrivilege 1092 88cb8fec Token: SeTcbPrivilege 1092 88cb8fec
Processes
-
C:\Users\Admin\AppData\Local\Temp\c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe"C:\Users\Admin\AppData\Local\Temp\c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.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:3048
-
C:\Windows\Syswow64\88cb8fecC:\Windows\Syswow64\88cb8fec1⤵
- 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:1092
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\88cb8fec
- Size 4.0MB
- SHA256 573270be3d276d54e99f5bef22dbf9c4409898dc44faa2801a6c25bf683639b2
- MD5 93d697e91fee119deb13f4374c10b687
- SHA1 5e1b1cbde69aa2e76da4abc1d734256a539a56c9
- SHA512 4f76c210797d423d7ef357b4233d7e62ed242c34eb109f677dbad0b7fb15fe8517d29dc6a0144c95cc47e666784114411df67cd55807f1937ca68cf770fb449c
- SSDEEP 98304:InKl2qOb2lP8ssYoJxKkyWsM0r1QnfKHV0Fe7:ICNDtojKL2Kqo7
- TLSH T1B016CF11F7A1C036C49701718D7A876EA678BD214B258AC7B3C47B6E5FB23D1AE3530A
- MD5 SHA1 SHA512 SSDEEP TLSH