Overview

overview

10

Static

static

61f686e131...55.exe

windows7_x64

10

61f686e131...55.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    27-03-2022 20:47

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General

  • Target

    61f686e131b055473303fde1c0fa135479ee7bb46ebe567790ad0a6d7a1f1555.exe

  • Size

    362KB

  • MD5

    cadd65c4f59af5858b87a9578f94d269

  • SHA1

    c208d9ff38c0dd85e81e49e999d31731ed27aaed

  • SHA256

    61f686e131b055473303fde1c0fa135479ee7bb46ebe567790ad0a6d7a1f1555

  • SHA512

    41f1379188bdab9dada8833e4eb8058b7a7878db48260c76437ae45d36352a8ae8ce8b795938225b1564b758b5f54d82c809fa5b2509a1c5d8822aac36ae840a

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
  • 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 12 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61f686e131b055473303fde1c0fa135479ee7bb46ebe567790ad0a6d7a1f1555.exe
    "C:\Users\Admin\AppData\Local\Temp\61f686e131b055473303fde1c0fa135479ee7bb46ebe567790ad0a6d7a1f1555.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Users\Admin\AppData\Local\Temp\61f686e131b055473303fde1c0fa135479ee7bb46ebe567790ad0a6d7a1f1555.exe
      C:\Users\Admin\AppData\Local\Temp\61f686e131b055473303fde1c0fa135479ee7bb46ebe567790ad0a6d7a1f1555.exe
      2⤵
      • 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:1988
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:1904
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:1228
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1496

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/920-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/920-62-0x0000000002830000-0x0000000002DC0000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/976-64-0x0000000000000000-mapping.dmp

      Download

    • memory/1228-66-0x0000000000000000-mapping.dmp

      Download

    • memory/1904-65-0x0000000000000000-mapping.dmp

      Download

    • memory/1988-55-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

      Download

    • memory/1988-60-0x000000000040A9D0-mapping.dmp

      Download

    • memory/1988-61-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

      Download