Analysis

  • max time kernel
    108s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2022 06:32

General

  • Target

    CjYrWNZyEcMBBMa.exe

  • Size

    143KB

  • MD5

    8bb5a008412477ca9ccaec82ee6dd6a7

  • SHA1

    1bd59951c56e68f91b2f510275c6276c4484411b

  • SHA256

    a440e693962c333be050ef7ba0f9b5cbeac959d149a5f5b4d299197fb9415133

  • SHA512

    3bbe3dba440811f1c8bdb3656f15c69f317cc957e9977ac17ccba4670d3cf5ecbd248aebbe476bb51e836710e12aea8959c9dc50f30490b8112d49eb6dc98d4d

  • SSDEEP

    3072:9uO/rZAi3Tqn2ZiaPiJcuy/CBzjYqqKb33wqwwIaICM:w6dQ2Ziamcu8K8KbP

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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\CjYrWNZyEcMBBMa.exe
    "C:\Users\Admin\AppData\Local\Temp\CjYrWNZyEcMBBMa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    143KB

    MD5

    8bb5a008412477ca9ccaec82ee6dd6a7

    SHA1

    1bd59951c56e68f91b2f510275c6276c4484411b

    SHA256

    a440e693962c333be050ef7ba0f9b5cbeac959d149a5f5b4d299197fb9415133

    SHA512

    3bbe3dba440811f1c8bdb3656f15c69f317cc957e9977ac17ccba4670d3cf5ecbd248aebbe476bb51e836710e12aea8959c9dc50f30490b8112d49eb6dc98d4d

  • \Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    143KB

    MD5

    8bb5a008412477ca9ccaec82ee6dd6a7

    SHA1

    1bd59951c56e68f91b2f510275c6276c4484411b

    SHA256

    a440e693962c333be050ef7ba0f9b5cbeac959d149a5f5b4d299197fb9415133

    SHA512

    3bbe3dba440811f1c8bdb3656f15c69f317cc957e9977ac17ccba4670d3cf5ecbd248aebbe476bb51e836710e12aea8959c9dc50f30490b8112d49eb6dc98d4d

  • memory/584-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB