Analysis

  • max time kernel
    142s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 00:05

General

  • Target

    2024-04-19_1b339b557f7d5291fdafb0c7e9b04a87_ryuk.exe

  • Size

    664KB

  • MD5

    1b339b557f7d5291fdafb0c7e9b04a87

  • SHA1

    63455745122b4f7347017552bfd375728d52105c

  • SHA256

    3a732b3c5dc21123aa388ca1d7966ca412490f65ac5d05c11d698549a9372993

  • SHA512

    2ce1b2bf90beffa52f843d5e8d2cb5466e881d060a0ac3307867785992b42c744894f51c408064f74415264260c865873e127931883b7c903310ee08f7153ae0

  • SSDEEP

    12288:zs9FFiUSoCU5qJSr1e2UULlrFXII4NZCglApHUzTshEx9ZOpaKGFkFp6woJ:W/SoCU5qJSr1e2UUiI4NZCgl8eTvtO9Y

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • 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 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-19_1b339b557f7d5291fdafb0c7e9b04a87_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-19_1b339b557f7d5291fdafb0c7e9b04a87_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:3016
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\RESTORE_FILES.txt

      Filesize

      2KB

      MD5

      78ede93114e65f9160fd03d3357c56e6

      SHA1

      88d531b101e57655f1d0d26c6b3257aa2468d460

      SHA256

      c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5

      SHA512

      074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d

    • memory/3016-1-0x000001AD3F2D0000-0x000001AD3F2D4000-memory.dmp

      Filesize

      16KB

    • memory/3016-4-0x00007FF770070000-0x00007FF770107000-memory.dmp

      Filesize

      604KB

    • memory/3016-2-0x000001AD3F2C0000-0x000001AD3F2C5000-memory.dmp

      Filesize

      20KB

    • memory/3016-0-0x000001AD3F2A0000-0x000001AD3F2A7000-memory.dmp

      Filesize

      28KB

    • memory/3016-6-0x000001AD3F2D0000-0x000001AD3F2D4000-memory.dmp

      Filesize

      16KB

    • memory/3016-7-0x000001AD3F2C0000-0x000001AD3F2C5000-memory.dmp

      Filesize

      20KB

    • memory/3016-11-0x000001AD3F2C0000-0x000001AD3F2C5000-memory.dmp

      Filesize

      20KB