Analysis

  • max time kernel
    41s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 22:59

General

  • Target

    896b454fc54d37f31775645ec9707e04c6996c13f0f303584ad47b9a26118a2b.exe

  • Size

    26KB

  • MD5

    05b52fcc52f9ed9a6075ca818061b520

  • SHA1

    e6da7ea0e2d2bf1a6d204a46c2422620aca07e26

  • SHA256

    896b454fc54d37f31775645ec9707e04c6996c13f0f303584ad47b9a26118a2b

  • SHA512

    8fdbca0f8bb7d128f96506f5474487960ff0e8c7f4662f9be3c275159efc44f3be833e391ba78b08af9579c0e6bad5ec98d25fa8ec73a64ae682c587bc670fb7

  • SSDEEP

    768:fhLH26CG8gTC9F0w6dGPDISFPDlzr7E3ByKxKzJRl+JTc:VRFvTCEwmSNDO7tJY

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\896b454fc54d37f31775645ec9707e04c6996c13f0f303584ad47b9a26118a2b.exe
    "C:\Users\Admin\AppData\Local\Temp\896b454fc54d37f31775645ec9707e04c6996c13f0f303584ad47b9a26118a2b.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im "soul.exe"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 1.bat
      2⤵
      • Deletes itself
      PID:1080

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1.bat
    Filesize

    251B

    MD5

    7c12d268e4b947de02f85d7bc526e4f2

    SHA1

    3abed93ebf6c3226aacb351f9135f0b25c2d78ff

    SHA256

    d87728727e28d48c96ea2aaf2e77bf32e496120212e6e2eb60455e8a9678940d

    SHA512

    5a3d261e342aaffb960db01cf72abd46907295952607c5ff5bf3891f72205af40a994060557df267f5726e7ef7d6ebc7e99036bacd6d4be591a5723d61d50c29

  • memory/848-54-0x0000000075041000-0x0000000075043000-memory.dmp
    Filesize

    8KB

  • memory/848-55-0x00000000747D1000-0x00000000747D3000-memory.dmp
    Filesize

    8KB

  • memory/1080-57-0x0000000000000000-mapping.dmp
  • memory/2004-56-0x0000000000000000-mapping.dmp