Overview

overview

10

Static

static

2023-01-18...is.exe

windows7-x64

10

2023-01-18...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

    2023-01-18_58402f0f41e3bfecbea9ca1bcc0f0c2b_crysis.exe

  • Size

    92KB

  • MD5

    58402f0f41e3bfecbea9ca1bcc0f0c2b

  • SHA1

    0a2b11df94790e1121c17e350eb846a236e0fbcf

  • SHA256

    276727bfacdeba0ba864fd6ccecab5fd0f244576dc503d7cf148a4deb90fc136

  • SHA512

    8155d0a3364ea067260ba9ad432e126b1da33a2c4c1c5f585112851c5765363cd6cc426263ef430b559e9b35eea938e19bf7cc2e50e6a6c356bba030664f9123

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4ALTroZbj0zTzn5W9qN9PI1fFznJGf0yG:Qw+asqN5aW/hLlTroZUzTz5W9qrI1JIH

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 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) 36 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\2023-01-18_58402f0f41e3bfecbea9ca1bcc0f0c2b_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-01-18_58402f0f41e3bfecbea9ca1bcc0f0c2b_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:1180
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1172
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2360
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1872

    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/1172-133-0x0000000000000000-mapping.dmp
      Download
    • memory/2360-134-0x0000000000000000-mapping.dmp
      Download
    • memory/5060-132-0x0000000000000000-mapping.dmp
      Download