Overview

overview

10

Static

static

10

2024-06-16...ab.exe

windows7-x64

10

2024-06-16...ab.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 06:49

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General

  • Target

    2024-06-16_71d839f93d3f1b709e82edd3501ee3bf_gandcrab.exe

  • Size

    167KB

  • MD5

    71d839f93d3f1b709e82edd3501ee3bf

  • SHA1

    3f1a3e035337ce121bd7429bf038fb700ca27165

  • SHA256

    a7aa02c550d3c22046909621b5c5d36058eb81310197cbbe7550118eeda2e44d

  • SHA512

    5f8bfac127fd2297a44715da60e372cd4e4974bc10bf7c9893595c04bc728ddb4c255f5d63712223983e6fdbf6f3d539257135d7ebf09650618b4ab1ba8e72ba

  • SSDEEP

    3072:gYHVHd2NFMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZped:gyZqqDL6oREzZpK

Score
10/10
gandcrabbackdoorpersistenceransomwareupx

Malware Config

Signatures

  • GandCrab payload 2 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

    ransomwarebackdoorgandcrab
  • Detects ransomware indicator 2 IoCs
  • Gandcrab Payload 2 IoCs
  • UPX dump on OEP (original entry point) 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-16_71d839f93d3f1b709e82edd3501ee3bf_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-16_71d839f93d3f1b709e82edd3501ee3bf_gandcrab.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:3496
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:1648
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:2128
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:1044
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:3364
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4372,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8
              1⤵
                PID:852

              Network

              MITRE ATT&CK Matrix ATT&CK v13

              Initial Access

              Execution

              Persistence

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Privilege Escalation

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Defense Evasion

              Modify Registry

              1
              T1112

              Credential Access

              Discovery

              Query Registry

              2
              T1012

              Peripheral Device Discovery

              1
              T1120

              System Information Discovery

              2
              T1082

              Lateral Movement

              Collection

              Exfiltration

              Command and Control

              Impact

              Resource Development

              Reconnaissance

              Replay Monitor

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              Downloads

              • memory/4624-0-0x0000000000400000-0x000000000042C000-memory.dmp
                Filesize

                176KB

                Download
              • memory/4624-4-0x0000000000400000-0x000000000042C000-memory.dmp
                Filesize

                176KB

                Download