Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 05:25

General

  • Target

    2024-07-25_96e7ffb9edc2f7592c34a4d841ba566c_gandcrab_wapomi.exe

  • Size

    90KB

  • MD5

    96e7ffb9edc2f7592c34a4d841ba566c

  • SHA1

    d43df00b7a91966ac3e10e324a57d5658f84d88b

  • SHA256

    c4a88edc19372fb161b492057f1394b2739a79e35e8285430bd7cf0ad62c03a7

  • SHA512

    fc6d4038293b78ad3336c5533dae1fdc59d4f0786d588bc3f5b4c2f2d147cbb1c9a40a058ecbd3c226c97e965f5cea58c0ff47e2697dadc0db416e4a20e93d0d

  • SSDEEP

    1536:J555555555555pmgSeGDjtQhnwmmB0yJMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rS:2MSjOnrmBxMqqDL2/mr3IdE8we0Avu52

Malware Config

Extracted

Family

gandcrab

C2

http://gdcbghvjyqy7jclk.onion.top/

Signatures

  • GandCrab payload 2 IoCs
  • Gandcrab

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

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 17 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-25_96e7ffb9edc2f7592c34a4d841ba566c_gandcrab_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-25_96e7ffb9edc2f7592c34a4d841ba566c_gandcrab_wapomi.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\HPG.exe
      C:\Users\Admin\AppData\Local\Temp\HPG.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\112624da.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3316
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1104
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5100
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:904
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3056
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2724
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4240
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4256
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1136
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3908
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1892
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1172
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:932
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2736
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MDMHN06X\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\112624da.bat

    Filesize

    181B

    MD5

    fdca11ef54db1b11ccdc456cc4a08ace

    SHA1

    2fc6f155510a37a5caf7f2ad461cc01c21e47532

    SHA256

    c42e72357ae801df0b246bcc50c335fef80de6b25e499882b686a3063ece97ab

    SHA512

    eb6ea514b5cc048e1f1a602a7902b93eb9a19477506acdb55d2cad7dbc91776b778ddcc35db253bab939cf859f77d6ac9bb0dff5c6732b77d8eb5b248270804c

  • C:\Users\Admin\AppData\Local\Temp\2B5952C9.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\HPG.exe

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/952-5-0x0000000000530000-0x0000000000539000-memory.dmp

    Filesize

    36KB

  • memory/952-50-0x0000000000530000-0x0000000000539000-memory.dmp

    Filesize

    36KB

  • memory/2224-0-0x0000000000FA0000-0x0000000000FBB000-memory.dmp

    Filesize

    108KB

  • memory/2224-52-0x0000000000FA0000-0x0000000000FBB000-memory.dmp

    Filesize

    108KB