Overview

overview

10

Static

static

3

CoronaVirus.exe

windows7-x64

10

CoronaVirus.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    27s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 05:33

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General

  • Target

    CoronaVirus.exe

  • Size

    1.0MB

  • MD5

    055d1462f66a350d9886542d4d79bc2b

  • SHA1

    f1086d2f667d807dbb1aa362a7a809ea119f2565

  • SHA256

    dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

  • SHA512

    2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1

  • SSDEEP

    24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2

Score
10/10
dharmadefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (77) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    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) 13 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\CoronaVirus.exe
    "C:\Users\Admin\AppData\Local\Temp\CoronaVirus.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2892
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2480
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:300

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-C699B833.[[email protected]].ncov
      Filesize

      23.5MB

      MD5

      ab16e9ae9c22bd038492dc1cf0ab437c

      SHA1

      8952d3d7a1d45dbc60628510c7f6abd96dbbea1b

      SHA256

      4b777347d71b54f2dee3e293ae3f37fb4d693c5ca339b3f0c1484d025cc6722d

      SHA512

      3ce36a37843e05554459cd4226c39edaf7424f80f5742c2a8d19372aaaf660160912230af5311ba0ea914f19ce07564ebb30d489eba4cdc681c65e13a8a1c018

      Download Submit

    • memory/1940-0-0x0000000000400000-0x000000000056F000-memory.dmp

      Filesize

      1.4MB

      Download

    • memory/1940-1-0x000000000ACA0000-0x000000000ACD4000-memory.dmp

      Filesize

      208KB

      Download

    • memory/1940-3-0x0000000000400000-0x000000000056F000-memory.dmp

      Filesize

      1.4MB

      Download

    • memory/1940-8804-0x0000000000400000-0x000000000056F000-memory.dmp

      Filesize

      1.4MB

      Download

    • memory/1940-9795-0x000000000ACA0000-0x000000000ACD4000-memory.dmp

      Filesize

      208KB

      Download