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Analysis

  • max time kernel
    90s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 17:32

General

  • Target

    RUSSKAYA-GOLAYA.exe

  • Size

    182KB

  • MD5

    a61b567cf0d6215a9816a9655525e2bc

  • SHA1

    481add92cc4cf0ba9954de2ba4daf8537202ac7d

  • SHA256

    f5996699457c022aee006070f20af5d74679f2c38e2a0a77a12806a9f3489077

  • SHA512

    c5b6920896d728042e9f9f67d60430ef0fcbfc9109b0b60473288cd4c7439a9d335c31cc6a0c0a7d439a4bef210bb6d0cfc880ede1da02f3a28f2b1770e78153

  • SSDEEP

    3072:QBAp5XhKpN4eOyVTGfhEClj8jTk+0h5TlWn6:HbXE9OiTGfhEClq9IlW6

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RUSSKAYA-GOLAYA.exe
    "C:\Users\Admin\AppData\Local\Temp\RUSSKAYA-GOLAYA.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\moby duck\rider_on_the_storm\froggi_noggi_topppi_nocci.bat" "
      2⤵
      • Drops file in Drivers directory
      • Drops file in Program Files directory
      PID:536
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\moby duck\rider_on_the_storm\ne_nu_ne_zraza_li.vbs"
      2⤵
      • Blocklisted process makes network request
      • Drops file in Drivers directory
      PID:2136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\moby duck\rider_on_the_storm\froggi_noggi_topppi_nocci.bat

    Filesize

    1KB

    MD5

    7943d0b7f844abda81e1060a0a58d25a

    SHA1

    5b076824df056229a97ce88e3c410a786efd3593

    SHA256

    90113a92bd6c6ca365d03a8acd81684751bfaa52de064badab771b7e115e6acb

    SHA512

    0e22276d78bd645828c88fc19832c6b13113f742b149bfc11efda07f2a4cba9ffa9db12ed2e6c4d982c0ea5e521863f437d47bb54f1d57872fb99b7d8071cb78

  • C:\Program Files (x86)\moby duck\rider_on_the_storm\ne_nu_ne_zraza_li.klm

    Filesize

    1KB

    MD5

    b6ab38961be299354ef66e42ef9945a4

    SHA1

    386b6a80ca46990bc53b610cbd76f1f69c79f7c1

    SHA256

    ded723036ee22227512a6de199afe531aa5fc01950b6fac806e0ff744f279d0d

    SHA512

    f9f87add71ced532a73ca6f3396bc2c9d8893d602e8ff8f1afe184ef69fc19d8bfef1e990a866f0e34bcdef7c91889b858b7a31812d008e4e3a55c64bad80462

  • C:\Program Files (x86)\moby duck\rider_on_the_storm\ne_nu_ne_zraza_li.vbs

    Filesize

    1KB

    MD5

    b6ab38961be299354ef66e42ef9945a4

    SHA1

    386b6a80ca46990bc53b610cbd76f1f69c79f7c1

    SHA256

    ded723036ee22227512a6de199afe531aa5fc01950b6fac806e0ff744f279d0d

    SHA512

    f9f87add71ced532a73ca6f3396bc2c9d8893d602e8ff8f1afe184ef69fc19d8bfef1e990a866f0e34bcdef7c91889b858b7a31812d008e4e3a55c64bad80462

  • C:\Program Files (x86)\moby duck\rider_on_the_storm\p0po9i8u7uy6yt5tr4re3ww2jfbgi50y38y92ffb8583vf9292fg38y4934g394fg293g39h4938973t47f983t94fy30ghj430tjg04hg9347f834.fff

    Filesize

    87B

    MD5

    2048e7f377827684952eac6638737664

    SHA1

    177f0e8e28f88204df60059d64c6ec3bc108a673

    SHA256

    e69334131aff4bd540d8972b135c0510f9e7e310c4513df87793923b464ae688

    SHA512

    624f4865cda8892e6521ff1878cb290b9329fd7eb82034b3224a0358678d2d6eaa20c287efbe69b6d6fcc654c2ee4a36d3235f688c817f44f0e67d6f55ad7916