Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 00:16

General

  • Target
    17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe
  • Size 761KB
  • Sample260421-akjayaf16n
  • SHA256 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 6 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe
    "C:\Users\Admin\AppData\Local\Temp\17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.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:4648
  • C:\Windows\Syswow64\af4baf9c
    C:\Windows\Syswow64\af4baf9c
    1⤵
    • 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:4304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        af4baf9c

        • Path C:\Windows\SysWOW64\af4baf9c
        • Size 761KB
        • SHA256 935fe0d8c39c2cc3bcc79d76762a1dece3a32cd29db588904082d1ba686da067
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4304-4-0x0000000000360000-0x00000000003EC000-memory.dmp

        memory/4304-13-0x0000000000360000-0x00000000003EC000-memory.dmp

        memory/4304-12-0x0000000000F90000-0x0000000000FF4000-memory.dmp

        memory/4304-27-0x0000000000F90000-0x0000000000FF4000-memory.dmp

        memory/4304-33-0x0000000000360000-0x00000000003EC000-memory.dmp

        memory/4648-0-0x0000000000650000-0x00000000006DC000-memory.dmp

        memory/4648-10-0x0000000000650000-0x00000000006DC000-memory.dmp

        memory/4648-11-0x0000000000DD0000-0x0000000000E34000-memory.dmp

        memory/4648-24-0x0000000000DD0000-0x0000000000E34000-memory.dmp

        memory/4648-30-0x0000000000DD0000-0x0000000000E34000-memory.dmp