Analysis

  • max time kernel
    4294213s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    26-03-2022 10:04

General

  • Target

    469efe68cb8dce6d180dd16175c73eef0abe6036792664382b9580ff283a177c.exe

  • Size

    206KB

  • MD5

    5cb38c769dae60114d5e75d7a0807f21

  • SHA1

    fbfc3ce01280412eba4b18af45c3ce8ccf2e9b9f

  • SHA256

    469efe68cb8dce6d180dd16175c73eef0abe6036792664382b9580ff283a177c

  • SHA512

    6ab8ae9a50a4af0b09f101ade92f24e394a1b79dc69a00cfb2044b054eb76085e4d67f5fd682c229a04fd9ba5116ae9419a7985660c5f02d801753a91ae897ca

Malware Config

Signatures

  • Dharma

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

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 13 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\469efe68cb8dce6d180dd16175c73eef0abe6036792664382b9580ff283a177c.exe
    "C:\Users\Admin\AppData\Local\Temp\469efe68cb8dce6d180dd16175c73eef0abe6036792664382b9580ff283a177c.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:1192
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1084
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:628
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1356

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/308-56-0x0000000000000000-mapping.dmp

    • memory/628-58-0x0000000000000000-mapping.dmp

    • memory/1084-57-0x0000000000000000-mapping.dmp

    • memory/1192-54-0x000000000306B000-0x000000000307E000-memory.dmp

      Filesize

      76KB

    • memory/1192-55-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

      Filesize

      8KB

    • memory/1192-60-0x0000000000220000-0x0000000000239000-memory.dmp

      Filesize

      100KB

    • memory/1192-59-0x000000000306B000-0x000000000307E000-memory.dmp

      Filesize

      76KB

    • memory/1192-61-0x0000000000400000-0x0000000002FC0000-memory.dmp

      Filesize

      43.8MB