Overview

overview

10

Static

static

8

70baca03db...73.exe

windows7-x64

10

70baca03db...73.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 05:07

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General

  • Target

    70baca03db3c8477aaa5bab67051a02cf88235ba08db2ea3ab1890def98b9773.exe

  • Size

    507KB

  • MD5

    e888693e5529de74680654c7d9db90c1

  • SHA1

    72003cb6b5f531c4b9d02b7fea52492107860ec7

  • SHA256

    70baca03db3c8477aaa5bab67051a02cf88235ba08db2ea3ab1890def98b9773

  • SHA512

    8410f6aea1da21397afa1999535af287889f0b677b543a8bdcc219115bf6da9b4db216fc5fa85a6ca06499abf623387022bb71939ee8d6a28e8d66a7082fe749

Score
10/10
dharmapersistenceransomwareupx

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70baca03db3c8477aaa5bab67051a02cf88235ba08db2ea3ab1890def98b9773.exe
    "C:\Users\Admin\AppData\Local\Temp\70baca03db3c8477aaa5bab67051a02cf88235ba08db2ea3ab1890def98b9773.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4048
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5056
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4776

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1108-130-0x0000000000400000-0x00000000006D2000-memory.dmp

      Filesize

      2.8MB

      Download

    • memory/1108-131-0x0000000000400000-0x00000000006D2000-memory.dmp

      Filesize

      2.8MB

      Download

    • memory/1108-132-0x0000000002D90000-0x0000000002DB0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/1212-133-0x0000000000000000-mapping.dmp

      Download

    • memory/4048-134-0x0000000000000000-mapping.dmp

      Download

    • memory/5056-135-0x0000000000000000-mapping.dmp

      Download