Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 22:04

General

  • Target

    2024-05-04_c55f7a3cdba7d6843bb933a9e633c010_gandcrab_karagany.exe

  • Size

    170KB

  • MD5

    c55f7a3cdba7d6843bb933a9e633c010

  • SHA1

    38c0df82f784eb2d6f3692309c2bb1bc0c27c5bb

  • SHA256

    a800f339e31f1b7673f44ab445594041df78563ed2832388bfda05bd4d114005

  • SHA512

    4709e6b7de405449884ecd16b87c6e8518f7c739f322ce1085587eefeab2fd3f86d6e2d134e769c1fe5953ef87ae568cc15fdb26be2792c323fac298e6e993b6

  • SSDEEP

    3072:hRPI6YetSOYyM1PUVDAWpcB3/Az/O9xn6Ln+q7E/kfTOQ5N:hRNYmSlPdOO3/Y/Wyh7B7OQn

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

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

  • Detects Reflective DLL injection artifacts 3 IoCs
  • Detects ransomware indicator 3 IoCs
  • Gandcrab Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-04_c55f7a3cdba7d6843bb933a9e633c010_gandcrab_karagany.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-04_c55f7a3cdba7d6843bb933a9e633c010_gandcrab_karagany.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 732
      2⤵
      • Program crash
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2240-6-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2240-5-0x0000000000412000-0x0000000000425000-memory.dmp

    Filesize

    76KB

  • memory/2240-4-0x0000000000540000-0x0000000000640000-memory.dmp

    Filesize

    1024KB

  • memory/2240-2-0x0000000000510000-0x0000000000527000-memory.dmp

    Filesize

    92KB

  • memory/2240-1-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2240-13-0x0000000000540000-0x0000000000640000-memory.dmp

    Filesize

    1024KB