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
05/05/2026, 19:12
Behavioral task
behavioral1
Sample
c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe
- Size 638KB
- Sample260505-xwtx5sd16w
- SHA256 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502
- MD5 0a6d3c4627fd7751a508097fe6e51883
- SHA1 3126818f04ce91724943e637e52f1d0a2b209ceb
- SHA512 3e780f37944f8be0d9c79b04c5cf97a4062c5744a455e24f1546add8f24c8a395afd1af82174391b31136ac65b0c80aa751fdd1078030b108c3881cd898c0da8
- SSDEEP 6144:rcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:rSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T197D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4604 353e31be - 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 3 114.114.114.114 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe Destination IP 4 223.5.5.5 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe Destination IP 38 114.114.114.114 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe Destination IP 39 223.5.5.5 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 353e31be File created C:\Windows\SysWOW64\353e31be c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 353e31be File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 353e31be -
resource yara_rule behavioral1/memory/2852-0-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral1/files/0x001100000001d8b6-2.dat upx behavioral1/memory/4604-4-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/2852-15-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral1/memory/4604-17-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/4604-42-0x0000000000460000-0x00000000004EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ed278 353e31be File opened for modification C:\Windows\30d3c8 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.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 353e31be Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 353e31be Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 353e31be Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 353e31be Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 353e31be Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 353e31be Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 353e31be Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 353e31be Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 353e31be Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 353e31be - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4604 353e31be 4604 353e31be 4604 353e31be 4604 353e31be 4604 353e31be 4604 353e31be 4604 353e31be 4604 353e31be 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe Token: SeTcbPrivilege 2852 c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe Token: SeDebugPrivilege 4604 353e31be Token: SeTcbPrivilege 4604 353e31be
Processes
-
C:\Users\Admin\AppData\Local\Temp\c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.exe"C:\Users\Admin\AppData\Local\Temp\c4b6854e29190b6d0186b1380232e880e7cafab3efa116009f870c3b74451502.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:2852
-
C:\Windows\Syswow64\353e31beC:\Windows\Syswow64\353e31be1⤵
- 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:4604
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\353e31be
- Size 638KB
- SHA256 eece4e3d91991766ebfc85bf0d11ce8192a37832961ec0dbc05541b7230216b4
- MD5 7d3bde54c4d29680aac2b6de7792f495
- SHA1 d6825da16a3140bc9ed67519c687bc6cbecfdeda
- SHA512 b1733b0a2b50686133640ba74fe610475389c31003f36f6637e603ea019cd7ea281a6240ec183a65aacbe2c11361a366312f5743d3353c1d7367a1eff466e465
- SSDEEP 6144:8cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:8SvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1BBD46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH