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Overview

overview

8

Static

static

56a5dfe870...97.exe

windows7-x64

8

56a5dfe870...97.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    150s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 22:51

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General

  • Target

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe

  • Size

    331KB

  • MD5

    a21afcbb38a68ba46e76d99dc2f82ec0

  • SHA1

    a21106247d6d545158e66b739138301c0185b174

  • SHA256

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

  • SHA512

    8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

  • SSDEEP

    6144:+0gVC0TeKb8ug2h+guJE8BpImwxaRAaC6XrgIHYH:+0KFTNs2szJImfAaCSHYH

Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe
    "C:\Users\Admin\AppData\Local\Temp\56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1388 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe" & start C:\Users\Admin\AppData\Local\akappb.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1388
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1936
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:1732
      • C:\Users\Admin\AppData\Local\akappb.exe
        C:\Users\Admin\AppData\Local\akappb.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\akappb.exe
    Filesize

    331KB

    MD5

    a21afcbb38a68ba46e76d99dc2f82ec0

    SHA1

    a21106247d6d545158e66b739138301c0185b174

    SHA256

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

    SHA512

    8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

    Download Submit

  • C:\Users\Admin\AppData\Local\akappb.exe
    Filesize

    331KB

    MD5

    a21afcbb38a68ba46e76d99dc2f82ec0

    SHA1

    a21106247d6d545158e66b739138301c0185b174

    SHA256

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

    SHA512

    8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

    Download Submit

  • \Users\Admin\AppData\Local\akappb.exe
    Filesize

    331KB

    MD5

    a21afcbb38a68ba46e76d99dc2f82ec0

    SHA1

    a21106247d6d545158e66b739138301c0185b174

    SHA256

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

    SHA512

    8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

    Download Submit

  • \Users\Admin\AppData\Local\akappb.exe
    Filesize

    331KB

    MD5

    a21afcbb38a68ba46e76d99dc2f82ec0

    SHA1

    a21106247d6d545158e66b739138301c0185b174

    SHA256

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

    SHA512

    8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

    Download Submit

  • \Users\Admin\AppData\Local\akappb.exe
    Filesize

    331KB

    MD5

    a21afcbb38a68ba46e76d99dc2f82ec0

    SHA1

    a21106247d6d545158e66b739138301c0185b174

    SHA256

    56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

    SHA512

    8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

    Download Submit

  • memory/652-69-0x0000000001000000-0x00000000010B3000-memory.dmp

    Filesize

    716KB

    Download

  • memory/652-68-0x0000000001000000-0x00000000010B3000-memory.dmp

    Filesize

    716KB

    Download

  • memory/1388-58-0x0000000001000000-0x00000000010B3000-memory.dmp

    Filesize

    716KB

    Download

  • memory/1388-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1388-56-0x0000000000830000-0x0000000000879000-memory.dmp

    Filesize

    292KB

    Download

  • memory/1388-55-0x00000000002C0000-0x0000000000314000-memory.dmp

    Filesize

    336KB

    Download