Overview

overview

10

Static

static

87bba561f6...67.exe

windows7_x64

10

87bba561f6...67.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 10:13

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General

  • Target

    87bba561f6a0f7cd29f92211be2fe0de2541f6d5ab321e42aeabd8c2de4f5767.exe

  • Size

    267KB

  • MD5

    082973ffc65f68aa42aec9bbab90de1b

  • SHA1

    3a3e4616f5e1163a4960cf64cd96a7ad63c48bb8

  • SHA256

    87bba561f6a0f7cd29f92211be2fe0de2541f6d5ab321e42aeabd8c2de4f5767

  • SHA512

    4098c24b84117d54765e763986ec252a64e852f8c34d114d3ec6c8106a49358c283bf829203c1ddd897751381754d9a2849149a33e36ba6a400e34530a3f0bdf

Score
10/10
dharmapersistenceransomwarespywarestealer

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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87bba561f6a0f7cd29f92211be2fe0de2541f6d5ab321e42aeabd8c2de4f5767.exe
    "C:\Users\Admin\AppData\Local\Temp\87bba561f6a0f7cd29f92211be2fe0de2541f6d5ab321e42aeabd8c2de4f5767.exe"
    1⤵
    • Modifies extensions of user files
    • 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:1240
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:108
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1260
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:528

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/108-58-0x0000000000000000-mapping.dmp

      Download

    • memory/908-57-0x0000000000000000-mapping.dmp

      Download

    • memory/1240-54-0x00000000002B9000-0x00000000002CC000-memory.dmp

      Filesize

      76KB

      Download

    • memory/1240-55-0x0000000000260000-0x0000000000279000-memory.dmp

      Filesize

      100KB

      Download

    • memory/1240-56-0x00000000753E1000-0x00000000753E3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1240-60-0x0000000000400000-0x0000000000C1C000-memory.dmp

      Filesize

      8.1MB

      Download

    • memory/1260-59-0x0000000000000000-mapping.dmp

      Download