Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 10:58

General

  • Target
    aaf5670b8a77fb6bcfef92ba0806e73fd9a624ee43839b2dad28277db3f703ec.exe
  • Size 548KB
  • Sample260528-m272vaez2w
  • SHA256 aaf5670b8a77fb6bcfef92ba0806e73fd9a624ee43839b2dad28277db3f703ec
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

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

  • Drops file in System32 directory 17 IoCs
  • UPX packed file 9 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aaf5670b8a77fb6bcfef92ba0806e73fd9a624ee43839b2dad28277db3f703ec.exe
    "C:\Users\Admin\AppData\Local\Temp\aaf5670b8a77fb6bcfef92ba0806e73fd9a624ee43839b2dad28277db3f703ec.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:1196
  • C:\Windows\Syswow64\7c59e21f
    C:\Windows\Syswow64\7c59e21f
    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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1512

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7c59e21f

        • Path C:\Windows\SysWOW64\7c59e21f
        • Size 548KB
        • SHA256 47eb121e25e3c423948d32f9fc0429441e73edee620c5cd9465900d63856a8fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1196-0-0x0000000000270000-0x00000000002F9000-memory.dmp

        memory/1196-12-0x0000000000270000-0x00000000002F9000-memory.dmp

        memory/1196-34-0x0000000000270000-0x00000000002F9000-memory.dmp

        memory/1196-43-0x0000000000270000-0x00000000002F9000-memory.dmp

        memory/1512-4-0x0000000000F00000-0x0000000000F89000-memory.dmp

        memory/1512-14-0x0000000000F00000-0x0000000000F89000-memory.dmp

        memory/1512-22-0x0000000000F00000-0x0000000000F89000-memory.dmp

        memory/1512-35-0x0000000000F00000-0x0000000000F89000-memory.dmp