Overview

overview

10

Static

static

2023-01-20...is.exe

windows7-x64

10

2023-01-20...is.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2023 09:17

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General

  • Target

    2023-01-20_e096b294d0ed5f42ca68bc41c47ac27a_crysis.exe

  • Size

    92KB

  • MD5

    e096b294d0ed5f42ca68bc41c47ac27a

  • SHA1

    1d5601986887ead48d036f1401330b8c9fd59eeb

  • SHA256

    622e2834e51caa303d120c7503d8fcce671226a0342d7be0f8cf546b44cee195

  • SHA512

    4d8ead3774210c552a0633db886ea1bfd3c13fcd51fd60efe9b7db8f27ff1a5a6ae4394cbcd8ec01b5514492966b118c4647efcea191313e4f1ec3536ba937ba

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4Ah610ButurulYOGLwf6v7ctk:Qw+asqN5aW/hLnbfSGOGLpv7c+

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) 23 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\2023-01-20_e096b294d0ed5f42ca68bc41c47ac27a_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-01-20_e096b294d0ed5f42ca68bc41c47ac27a_crysis.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:1080
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4964
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5072
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3604

    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

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    Downloads

    • memory/2688-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4964-133-0x0000000000000000-mapping.dmp
      Download
    • memory/5072-134-0x0000000000000000-mapping.dmp
      Download