Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 12:42

General

  • Target

    501f6a8514fbc0618b31fd21122e6ac6562aca318a3d90f5ccb3ed174cd9cea7.exe

  • Size

    743KB

  • MD5

    149e86fc124eb1dbe400281d2bcd3b00

  • SHA1

    571a30f7204da2479ad565f0e7ee236744662323

  • SHA256

    501f6a8514fbc0618b31fd21122e6ac6562aca318a3d90f5ccb3ed174cd9cea7

  • SHA512

    63d566764874644796e6141232e45d179186bdadb7f61e0e95ca62fd801ccd05e1ac0281220dcb6733ccc00e372db638e33409da37b3592a81c80810cb41866f

  • SSDEEP

    12288:W/5pooFT7xMgKvLvruqQ5+uWXdyFlQh9FRvJQSVc0xK7gTENep0P:Wxm+xMRvLvXduVI/T0gTvp

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\501f6a8514fbc0618b31fd21122e6ac6562aca318a3d90f5ccb3ed174cd9cea7.exe
    "C:\Users\Admin\AppData\Local\Temp\501f6a8514fbc0618b31fd21122e6ac6562aca318a3d90f5ccb3ed174cd9cea7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Program Files\Common Files\Microsoft Shared\MSInfo\tmp.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSInfo\tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1352
    • C:\Program Files\Common Files\Microsoft Shared\MSInfo\R_Server.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSInfo\R_Server.exe" -NetStat
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:740
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\system32\Deleteme.bat
      2⤵
      • Deletes itself
      PID:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\R_Server.exe

    Filesize

    30.7MB

    MD5

    1e95520b9220d8c36a7bb05df4dcf1ef

    SHA1

    e5ec5e86192b515ea027266fba106fdd6367f004

    SHA256

    eff07d3e9248c3d128c5fe084e59b410467638cc1e8173e85bcc02860482a297

    SHA512

    89125104d84b1b8cb0d812b19f2c91d554d401ef0024b7ae99c33a7f38c99aa4218ed4adc19c3016f5c27ed6f61bae3dd848b5ffa0c7d716578083c494bfb39b

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\tmp.exe

    Filesize

    30.0MB

    MD5

    61910644e9560ebea70adc93af6c7f9e

    SHA1

    e110bafedefb8db4b092349c5412367fe3669422

    SHA256

    0145df902adcc046e1a99fb05e52b12d46d69dace736159a7295afa600754853

    SHA512

    fb42e43a7eac0ddb2704dc4f1956091eb74b3295c2f272d6426399f9d8401fdb6df4ce0a4afa16f0b4780b1b898fa702f0187ffda902b67a3e0da1cb1d32f488

  • C:\Windows\SysWOW64\Deleteme.bat

    Filesize

    254B

    MD5

    4396fd32caadd3ebd84b7a7c319012e7

    SHA1

    ce6bc22f479e83deebdcc6433a2b77cf8424ef0b

    SHA256

    7cb5f57158574bda4a577faf71a04561967da0a31dbd2463d060e9a3b6d46348

    SHA512

    313b771392cb8b07548b71cbfa8db6a106227a0466534af821df374eb525e724c1fc79d4bc555b66f3442ef8583e5b9d28782d80e7aed2471d637bdfb920ba6b

  • \Program Files\Common Files\Microsoft Shared\MSInfo\R_Server.exe

    Filesize

    30.7MB

    MD5

    1e95520b9220d8c36a7bb05df4dcf1ef

    SHA1

    e5ec5e86192b515ea027266fba106fdd6367f004

    SHA256

    eff07d3e9248c3d128c5fe084e59b410467638cc1e8173e85bcc02860482a297

    SHA512

    89125104d84b1b8cb0d812b19f2c91d554d401ef0024b7ae99c33a7f38c99aa4218ed4adc19c3016f5c27ed6f61bae3dd848b5ffa0c7d716578083c494bfb39b

  • \Program Files\Common Files\Microsoft Shared\MSInfo\R_Server.exe

    Filesize

    30.7MB

    MD5

    1e95520b9220d8c36a7bb05df4dcf1ef

    SHA1

    e5ec5e86192b515ea027266fba106fdd6367f004

    SHA256

    eff07d3e9248c3d128c5fe084e59b410467638cc1e8173e85bcc02860482a297

    SHA512

    89125104d84b1b8cb0d812b19f2c91d554d401ef0024b7ae99c33a7f38c99aa4218ed4adc19c3016f5c27ed6f61bae3dd848b5ffa0c7d716578083c494bfb39b

  • \Program Files\Common Files\Microsoft Shared\MSInfo\tmp.exe

    Filesize

    30.0MB

    MD5

    61910644e9560ebea70adc93af6c7f9e

    SHA1

    e110bafedefb8db4b092349c5412367fe3669422

    SHA256

    0145df902adcc046e1a99fb05e52b12d46d69dace736159a7295afa600754853

    SHA512

    fb42e43a7eac0ddb2704dc4f1956091eb74b3295c2f272d6426399f9d8401fdb6df4ce0a4afa16f0b4780b1b898fa702f0187ffda902b67a3e0da1cb1d32f488

  • \Program Files\Common Files\Microsoft Shared\MSInfo\tmp.exe

    Filesize

    30.0MB

    MD5

    61910644e9560ebea70adc93af6c7f9e

    SHA1

    e110bafedefb8db4b092349c5412367fe3669422

    SHA256

    0145df902adcc046e1a99fb05e52b12d46d69dace736159a7295afa600754853

    SHA512

    fb42e43a7eac0ddb2704dc4f1956091eb74b3295c2f272d6426399f9d8401fdb6df4ce0a4afa16f0b4780b1b898fa702f0187ffda902b67a3e0da1cb1d32f488

  • memory/1404-54-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB