Overview

overview

10

Static

static

e4a43f0bb8...in.exe

windows7_x64

10

e4a43f0bb8...in.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    16-10-2020 16:39

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    e4a43f0bb8216496b95826c2c1aeb2f3ece6a7d87a8dbc7a0cc6a3935ace3d90.bin.exe

  • Size

    92KB

  • MD5

    98db57569da8c50de68fb69002c069cb

  • SHA1

    5adf28157d29aae9e0ff25013c0ca084d3fe30c9

  • SHA256

    e4a43f0bb8216496b95826c2c1aeb2f3ece6a7d87a8dbc7a0cc6a3935ace3d90

  • SHA512

    bbcb7051ec432c67b9920e727660d1867bf5067b6a98a2feaaf53d7be6c54aeab68082a27bd7747560a456afd72508d1a35500022d04de7da20e8bdc20ce1ff7

Score
10/10
persistenceransomwaredharma

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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 32279 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 498 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4a43f0bb8216496b95826c2c1aeb2f3ece6a7d87a8dbc7a0cc6a3935ace3d90.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\e4a43f0bb8216496b95826c2c1aeb2f3ece6a7d87a8dbc7a0cc6a3935ace3d90.bin.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:3816
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3936
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1020
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:3956

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    2
    T1112

    Credential Access

    Discovery

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1020-2-0x0000000000000000-mapping.dmp
      Download
    • memory/2440-0-0x0000000000000000-mapping.dmp
      Download
    • memory/3936-1-0x0000000000000000-mapping.dmp
      Download