Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:19

General

  • Target

    ae56c68519963679e6d0a248598f828bf3ba788895c50fab39dffabfadcfb201.exe

  • Size

    253KB

  • MD5

    05e54bb1eb258389f3c3625f9c069d4b

  • SHA1

    145207c2426ff8f66a02350fc2e35cf966912b0a

  • SHA256

    ae56c68519963679e6d0a248598f828bf3ba788895c50fab39dffabfadcfb201

  • SHA512

    1868c32abb102447d504895d89d1c7081a7ead0d25136ba2421afdce30a57cf8d243a54e64ab580ab1b8b8a2ee302402561c1d0452ed8fa9b5a8ed1a5f3c4bc6

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 4 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) 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae56c68519963679e6d0a248598f828bf3ba788895c50fab39dffabfadcfb201.exe
    "C:\Users\Admin\AppData\Local\Temp\ae56c68519963679e6d0a248598f828bf3ba788895c50fab39dffabfadcfb201.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:1712
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:692
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1920
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1868

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/692-56-0x0000000000000000-mapping.dmp

    • memory/960-55-0x0000000000000000-mapping.dmp

    • memory/1712-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

      Filesize

      8KB

    • memory/1712-58-0x000000000050B000-0x000000000051E000-memory.dmp

      Filesize

      76KB

    • memory/1712-59-0x0000000000020000-0x0000000000039000-memory.dmp

      Filesize

      100KB

    • memory/1712-60-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/1920-57-0x0000000000000000-mapping.dmp