Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 19:14
Behavioral task
behavioral1
Sample
196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe
- Size 560KB
- Sample260802-xx377seq9w
- SHA256 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d
- MD5 c22398eff61ef902fce01e652b06d6e2
- SHA1 15ed819f54aecddf006dd0341ac713108347f8f9
- SHA512 e5a128bbc468d63ebfafb757d2612d487a459f2c6541e2778e63fdf8c4bcde5ff1a206ec5d086045579a0a012706f1271e59acb3c72e35bd9e9c7024dc5981cd
- SSDEEP 6144:KUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:KYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1C9C48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1368 e8fb53c - 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 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe Destination IP 4 223.5.5.5 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe Destination IP 34 114.114.114.114 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe Destination IP 35 223.5.5.5 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e8fb53c File created C:\Windows\SysWOW64\e8fb53c 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e8fb53c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e8fb53c -
resource yara_rule behavioral1/memory/4812-0-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral1/files/0x00100000000231f3-3.dat upx behavioral1/memory/1368-4-0x0000000000250000-0x00000000002DC000-memory.dmp upx behavioral1/memory/4812-12-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral1/memory/1368-13-0x0000000000250000-0x00000000002DC000-memory.dmp upx behavioral1/memory/1368-33-0x0000000000250000-0x00000000002DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\526218 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe File opened for modification C:\Windows\176bb0 e8fb53c - 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 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e8fb53c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e8fb53c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e8fb53c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e8fb53c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e8fb53c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e8fb53c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e8fb53c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e8fb53c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e8fb53c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e8fb53c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1368 e8fb53c 1368 e8fb53c 1368 e8fb53c 1368 e8fb53c 1368 e8fb53c 1368 e8fb53c 1368 e8fb53c 1368 e8fb53c 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe Token: SeTcbPrivilege 4812 196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe Token: SeDebugPrivilege 1368 e8fb53c Token: SeTcbPrivilege 1368 e8fb53c
Processes
-
C:\Users\Admin\AppData\Local\Temp\196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.exe"C:\Users\Admin\AppData\Local\Temp\196f3d31f9c577c461c53f2769b646669a1d6884e24a746bb28acb005a1ef10d.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:4812
-
C:\Windows\Syswow64\e8fb53cC:\Windows\Syswow64\e8fb53c1⤵
- 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:1368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e8fb53c
- Size 560KB
- SHA256 0eaa0386c6f15a566809fc5b7bf14d6388c388c92f49207b2ac7d5bdb3e6afa3
- MD5 62c85fd2c85b8db32cac34dea067ce3b
- SHA1 256496604b949de7d031f52add0318a6a60ce6c2
- SHA512 fe77a34dc565424f8c9ff86772d5928ed0a1290902976d62001647695d7f80042c04f00de1ff0680f9d8a9a58f9503e5c7e060b4c07b8c7532dfa5e38b89c54a
- SSDEEP 6144:cUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:cYsVOdhElvkCgvDLe4usOkxHy
- TLSH T14CC48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH