Overview

overview

10

Static

static

a5475e952f...22.exe

windows7-x64

10

a5475e952f...22.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 17:34

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General

  • Target

    a5475e952fc5f2b07f3ccae4f5b43f0d6337987aaa010d70dbc30613f37da522.exe

  • Size

    213KB

  • MD5

    fef73a69abfb74d9b9b14be73d561272

  • SHA1

    bed43d4c24cc1fd1937f5d366e192f80fe325b98

  • SHA256

    a5475e952fc5f2b07f3ccae4f5b43f0d6337987aaa010d70dbc30613f37da522

  • SHA512

    1e32471fcacb2c6d11cdf90a793a2bbfd245c0e60364124e1b148993499519316afc9039d2a9f0cfffaba606a0e206d0e404ad51768bc531c576e21662316409

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) 3 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\a5475e952fc5f2b07f3ccae4f5b43f0d6337987aaa010d70dbc30613f37da522.exe
    "C:\Users\Admin\AppData\Local\Temp\a5475e952fc5f2b07f3ccae4f5b43f0d6337987aaa010d70dbc30613f37da522.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:2152
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3576
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:208
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1868
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4608

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/208-131-0x0000000000000000-mapping.dmp
      Download
    • memory/1868-132-0x0000000000000000-mapping.dmp
      Download
    • memory/2152-135-0x0000000000400000-0x000000000043F000-memory.dmp
      Filesize

      252KB

      Download
    • memory/2152-134-0x0000000000560000-0x0000000000579000-memory.dmp
      Filesize

      100KB

      Download
    • memory/2152-133-0x00000000005D7000-0x00000000005EB000-memory.dmp
      Filesize

      80KB

      Download
    • memory/2152-136-0x00000000005D7000-0x00000000005EB000-memory.dmp
      Filesize

      80KB

      Download
    • memory/3576-130-0x0000000000000000-mapping.dmp
      Download