Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 10:48

General

  • Target

    2024-07-25_153f88667e1633caa38251c8a29d2496_gandcrab_karagany_metamorfo.exe

  • Size

    137KB

  • MD5

    153f88667e1633caa38251c8a29d2496

  • SHA1

    e0f86a8841f3f823ae66fc5e0034d1a379dd440f

  • SHA256

    2288a4ce2007bf037e173ba859e1035a903bbd0c91a11182344cb6ea7509468b

  • SHA512

    2c53604435c33b5129e87d25e6e9d2c75b2f81b44cfc42462a508f6b0121366e161dbb58aae0a8a72a4514c6d6a84d7ae49c41f648637e5fb229e083a182c80a

  • SSDEEP

    1536:ymFff+GbWDmMAvQmHWlOMDSzWiO5MOYTB6m+Gogp10sWjcdCiIjUA0ZTwy2:ymjbWaMAvx2WSisuBu67CiIjD

Malware Config

Signatures

  • Gandcrab

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

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-25_153f88667e1633caa38251c8a29d2496_gandcrab_karagany_metamorfo.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-25_153f88667e1633caa38251c8a29d2496_gandcrab_karagany_metamorfo.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Windows\SysWOW64\wbem\wmic.exe
      "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    bca0b0fd8784a80a0fd51b9b16b1cd04

    SHA1

    abd3e645d9ca5a66252a98fc17decc113e226c98

    SHA256

    00dc9bd60e9b62b6a5c0e39d85e5c5fd7f32183148fc734ad8ff5fd651dae20d

    SHA512

    09efcb7493319228af3740a912f255d3a85807b3cabbdc0bb5a3b7d1dae40a1a06944e596b36c5f0bf838f84afcf7304c17c1edd5619b6acdeaf5202226dd89b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c40b80148262dd26d77471c7425ddd12

    SHA1

    6aaf1db0ccd5a550a2864555c191c4e65e52cb5b

    SHA256

    f2d1e75df9844bb909729608811c813633fe0b3256d5d99d6ef008dc137c7d03

    SHA512

    ebe626b3eb2c82b0cd8ca53d66ca4b6fb7eddb77b3ce386954953e41336d1a7729fabe2b8b5e3840f0465b1877005f9e45790a5b1c7055c2eca5b8c4bfa2da3c

  • C:\Users\Admin\AppData\Local\Temp\CabD4CE.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD619.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b