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Overview

overview

8

Static

static

25f9c5de66...99.exe

windows7-x64

8

25f9c5de66...99.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 13:23

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General

  • Target

    25f9c5de666dcab498ee3374d04e2676f8042efbdabac9a3dc22b0f9d8178599.exe

  • Size

    105KB

  • MD5

    92b8044298e64dafbe500f5d8cd54220

  • SHA1

    78a35503cdc9f577bf06c3d2def327efbda62304

  • SHA256

    25f9c5de666dcab498ee3374d04e2676f8042efbdabac9a3dc22b0f9d8178599

  • SHA512

    d654d594ee800d6baf5e79b12a604531f368f79383fcd91c73be12d49da92853be3ce5b151c4d5bfb97d1ba375e5ac01c3f684098adb360cceaec2e1d0e5c0c3

  • SSDEEP

    3072:W7MwMUtk0uAnfaM3wRQqo/h60Vtvolup5hd8:W7Mfs3T6mvolup

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25f9c5de666dcab498ee3374d04e2676f8042efbdabac9a3dc22b0f9d8178599.exe
    "C:\Users\Admin\AppData\Local\Temp\25f9c5de666dcab498ee3374d04e2676f8042efbdabac9a3dc22b0f9d8178599.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\dz.exe
      "C:\Users\Admin\AppData\Local\Temp\dz.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dz.exe" "dz.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\dz.exe
    Filesize

    105KB

    MD5

    92b8044298e64dafbe500f5d8cd54220

    SHA1

    78a35503cdc9f577bf06c3d2def327efbda62304

    SHA256

    25f9c5de666dcab498ee3374d04e2676f8042efbdabac9a3dc22b0f9d8178599

    SHA512

    d654d594ee800d6baf5e79b12a604531f368f79383fcd91c73be12d49da92853be3ce5b151c4d5bfb97d1ba375e5ac01c3f684098adb360cceaec2e1d0e5c0c3

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\dz.exe
    Filesize

    105KB

    MD5

    92b8044298e64dafbe500f5d8cd54220

    SHA1

    78a35503cdc9f577bf06c3d2def327efbda62304

    SHA256

    25f9c5de666dcab498ee3374d04e2676f8042efbdabac9a3dc22b0f9d8178599

    SHA512

    d654d594ee800d6baf5e79b12a604531f368f79383fcd91c73be12d49da92853be3ce5b151c4d5bfb97d1ba375e5ac01c3f684098adb360cceaec2e1d0e5c0c3

    Download Submit

  • memory/2280-132-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2280-137-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4688-138-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4688-139-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

    Download