Analysis

  • max time kernel
    34s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 14:14

General

  • Target

    img1100020222911pdf.exe

  • Size

    228KB

  • MD5

    d74737867056221a34fb0f606f46b695

  • SHA1

    26605c664c9b4b3bd1f007fa1068abb0bbfaf265

  • SHA256

    8dec08c523bc61d2d8da23da4d82ff33e89f69c7478578af3623f9411e1a38d0

  • SHA512

    5451a474a6cc55f220b43bfe0b65fe9ed2b7c66dfef0ab33b22e9b8fce26929235073ecd820681087100035b6091acf7106f927a98ca801696aa5e89c89901f4

  • SSDEEP

    6144:QBn1GdcqsCyQBYm/Zyo49qd/XvU1jO6IJO:gONsCyQBPsvmyjO6yO

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\img1100020222911pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\img1100020222911pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\eshbtmyh.exe
      "C:\Users\Admin\AppData\Local\Temp\eshbtmyh.exe" C:\Users\Admin\AppData\Local\Temp\artrnvmjmeh.uz
      2⤵
      • Executes dropped EXE
      PID:1956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    59KB

    MD5

    c23565b815af9468d59e97b63aadce26

    SHA1

    51fe24f24c98738ce936d9f9a66d759297018729

    SHA256

    511646182f1e77634cb75442ff180bf9fd490addf15a7b943a20fce6a347c5d6

    SHA512

    9553be9b57add87a08b0cdc1f9290e30f7cc4d3d92e425da6b6c4ba80acad11bf8b2643a62c4d6d48de6dc97a3b15c007021045bcc9d15a86d13ad074e9694c6

  • \Users\Admin\AppData\Local\Temp\eshbtmyh.exe
    Filesize

    59KB

    MD5

    c23565b815af9468d59e97b63aadce26

    SHA1

    51fe24f24c98738ce936d9f9a66d759297018729

    SHA256

    511646182f1e77634cb75442ff180bf9fd490addf15a7b943a20fce6a347c5d6

    SHA512

    9553be9b57add87a08b0cdc1f9290e30f7cc4d3d92e425da6b6c4ba80acad11bf8b2643a62c4d6d48de6dc97a3b15c007021045bcc9d15a86d13ad074e9694c6

  • \Users\Admin\AppData\Local\Temp\eshbtmyh.exe
    Filesize

    59KB

    MD5

    c23565b815af9468d59e97b63aadce26

    SHA1

    51fe24f24c98738ce936d9f9a66d759297018729

    SHA256

    511646182f1e77634cb75442ff180bf9fd490addf15a7b943a20fce6a347c5d6

    SHA512

    9553be9b57add87a08b0cdc1f9290e30f7cc4d3d92e425da6b6c4ba80acad11bf8b2643a62c4d6d48de6dc97a3b15c007021045bcc9d15a86d13ad074e9694c6

  • memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp
    Filesize

    8KB

  • memory/1956-57-0x0000000000000000-mapping.dmp