Analysis

  • max time kernel
    130s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 10:45

General

  • Target

    2024-07-25_66669f07622b379687f2b4ee31da22d5_gandcrab_karagany_metamorfo.exe

  • Size

    137KB

  • MD5

    66669f07622b379687f2b4ee31da22d5

  • SHA1

    1552bf07a82dcfd7f29d257760202e06cf1e0fa5

  • SHA256

    9b7473a95eda5d755d0bac4de215237aa50180823147f9a867620dd085947540

  • SHA512

    0b9646b52f3c4230a148fd93eb908b20153a68fbd4a5af7274dccb24a1cf2ca8d2ebc63885a174a4616c9254818de92213c51f46f4fa00d5ffe4f6c48c383661

  • SSDEEP

    1536:ymFff+GbWDmMAvQmHWlOMDSzWiO5MOYTB6m+GOgp10sWjcdCiIjUA0ZTwy2:ymjbWaMAvx2WSisuBI67CiIjD

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_66669f07622b379687f2b4ee31da22d5_gandcrab_karagany_metamorfo.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-25_66669f07622b379687f2b4ee31da22d5_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:2700
    • 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:2176
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    b4a6ef3febb40c68bd3fa6b183f2bc57

    SHA1

    2e0bb99eb3e6d9e63ed223cb4a183654f61a4067

    SHA256

    b8c825990159786ed30862e497599b2ee766f672dde699f50479c5f2b5c3652c

    SHA512

    c3d6a015d4fe7500cc8861175efe96e42ed775302c68beee89184976940e0df50d232996204da5714d5057eb32d45479c2edf411bcf868f331caa8a17318014f

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

    Filesize

    342B

    MD5

    0eaafc8890884b824434cb4f2f0c6bc9

    SHA1

    78a3439c2ac5a43d78a7ff7f8ce662bbd711afbc

    SHA256

    2285baac7305c33dd6650d50e85cdafc24e9127927eec8fc39651935887bf880

    SHA512

    78e54965295f0869bebd96c47039b53bd15ac2660d84ba2c2a8c518d1ba59c24c9a54af4101a6381f805501890d1c342c57f7b937830ac2e8bfafedd018e4642

  • C:\Users\Admin\AppData\Local\Temp\CabE800.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE880.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b