Overview

overview

10

Static

static

d33b4a734e...d8.exe

windows7_x64

10

d33b4a734e...d8.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    14-04-2022 14:43

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General

  • Target

    d33b4a734e1a81717523dfb34633b418193cef7e6b245fe06aab5cbbac12c4d8.exe

  • Size

    158KB

  • MD5

    da244fb90a94978834bef6e734046a8c

  • SHA1

    acf3d82f4eb9c2d85c619ebe746cdf509507f6b7

  • SHA256

    d33b4a734e1a81717523dfb34633b418193cef7e6b245fe06aab5cbbac12c4d8

  • SHA512

    0a97a5aaee04e661b6b059ecf4044608feccedecd838a87b16f3f8c4eb5725e2ba65cfd706db88e5360f8c5504fd6720010f41518dfc444add8b062c1242d456

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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d33b4a734e1a81717523dfb34633b418193cef7e6b245fe06aab5cbbac12c4d8.exe
    "C:\Users\Admin\AppData\Local\Temp\d33b4a734e1a81717523dfb34633b418193cef7e6b245fe06aab5cbbac12c4d8.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:4364
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1112
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3508
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1984

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1112-128-0x0000000000000000-mapping.dmp
      Download
    • memory/3508-129-0x0000000000000000-mapping.dmp
      Download
    • memory/4332-127-0x0000000000000000-mapping.dmp
      Download
    • memory/4364-124-0x0000000000708000-0x000000000071B000-memory.dmp
      Filesize

      76KB

      Download
    • memory/4364-125-0x0000000000708000-0x000000000071B000-memory.dmp
      Filesize

      76KB

      Download
    • memory/4364-126-0x0000000000640000-0x0000000000659000-memory.dmp
      Filesize

      100KB

      Download
    • memory/4364-130-0x0000000000400000-0x00000000004E2000-memory.dmp
      Filesize

      904KB

      Download