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
17/04/2026, 23:04
Behavioral task
behavioral1
Sample
fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe
- Size 560KB
- Sample260417-22b2qsds2y
- SHA256 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac
- MD5 c724c3082bb910ddf4ba9cb4da247a27
- SHA1 d22896c3d04debc29f12d88ee0ce42f6f6fd2cdf
- SHA512 58589a2601629b6f29d62c81bdad116a62830e1aef4a5472c0bcc9ac5dffb9160d8390acf0eeacd00f6f1de11d86514cc71cd8b36fb74008339c93a4a0d16f19
- SSDEEP 6144:aUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:aYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1D6C48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2904 c27a6f78 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 38 114.114.114.114 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Destination IP 39 223.5.5.5 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Destination IP 94 114.114.114.114 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Destination IP 95 223.5.5.5 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Destination IP 3 114.114.114.114 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Destination IP 4 223.5.5.5 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\c27a6f78 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c27a6f78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c27a6f78 -
resource yara_rule behavioral1/memory/4884-0-0x0000000000A40000-0x0000000000ACC000-memory.dmp upx behavioral1/files/0x0004000000023076-2.dat upx behavioral1/memory/2904-3-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral1/memory/4884-18-0x0000000000A40000-0x0000000000ACC000-memory.dmp upx behavioral1/memory/2904-21-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral1/memory/2904-43-0x00000000001C0000-0x000000000024C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\31b7b0 c27a6f78 File opened for modification C:\Windows\539da8 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.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 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c27a6f78 - 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\Content\CachePrefix c27a6f78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c27a6f78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c27a6f78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c27a6f78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c27a6f78 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c27a6f78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c27a6f78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c27a6f78 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c27a6f78 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2904 c27a6f78 2904 c27a6f78 2904 c27a6f78 2904 c27a6f78 2904 c27a6f78 2904 c27a6f78 2904 c27a6f78 2904 c27a6f78 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Token: SeTcbPrivilege 4884 fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe Token: SeDebugPrivilege 2904 c27a6f78 Token: SeTcbPrivilege 2904 c27a6f78
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.exe"C:\Users\Admin\AppData\Local\Temp\fa0c6c4da47a1c6839c27962af7efd368160f2bc0bb715fff16e959d6d3472ac.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:4884
-
C:\Windows\Syswow64\c27a6f78C:\Windows\Syswow64\c27a6f781⤵
- 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:2904
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\c27a6f78
- Size 560KB
- SHA256 e22957ef76b5195244c83942430fde843923504a39721bb611b106022722aa2a
- MD5 1d22ccf38a42e6887883915b2e9adeec
- SHA1 7516944a4f85b8883edecfebebff9501f6b29556
- SHA512 42a154801e4bb1c1c0dafe80101b93497fec50a4d979864ea12036adb4d373cf060966c44e6a4213bc6da69b926ac4897f1c0a796ef1ba8f15d914de52bfb5f7
- SSDEEP 6144:hUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:hYsVOdhElvkCgvDLe4usOkxHy
- TLSH T184C48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH