Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 23:37

General

  • Target

    56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe

  • Size

    143KB

  • MD5

    8f38ff3ef82c67973cde234bc4dcc81f

  • SHA1

    61c260224bc8c42feacb0bd93aeec57cc4990ebe

  • SHA256

    56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff

  • SHA512

    a4a0223739eba5473ef48603ca4edc5822b364e18632bb2d9a00095bde735699d2f3cdf2cb6d03c1a4034c31fa56d6b6107f610daa03f1840bb07303d10cfc99

Malware Config

Signatures

  • VanillaRat

    VanillaRat is an advanced remote administration tool coded in C#.

  • Vanilla Rat Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe
    "C:\Users\Admin\AppData\Local\Temp\56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Users\Admin\AppData\Roaming\56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe
      "C:\Users\Admin\AppData\Roaming\56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:4384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe

    Filesize

    143KB

    MD5

    8f38ff3ef82c67973cde234bc4dcc81f

    SHA1

    61c260224bc8c42feacb0bd93aeec57cc4990ebe

    SHA256

    56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff

    SHA512

    a4a0223739eba5473ef48603ca4edc5822b364e18632bb2d9a00095bde735699d2f3cdf2cb6d03c1a4034c31fa56d6b6107f610daa03f1840bb07303d10cfc99

  • C:\Users\Admin\AppData\Roaming\56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff.exe

    Filesize

    143KB

    MD5

    8f38ff3ef82c67973cde234bc4dcc81f

    SHA1

    61c260224bc8c42feacb0bd93aeec57cc4990ebe

    SHA256

    56f997e962a98db0173429f115f2b522ae06ea134265395d7a1b47461cdbb4ff

    SHA512

    a4a0223739eba5473ef48603ca4edc5822b364e18632bb2d9a00095bde735699d2f3cdf2cb6d03c1a4034c31fa56d6b6107f610daa03f1840bb07303d10cfc99

  • memory/4384-134-0x0000000000000000-mapping.dmp

  • memory/4788-130-0x0000000000500000-0x000000000052A000-memory.dmp

    Filesize

    168KB

  • memory/4788-131-0x0000000005480000-0x0000000005A24000-memory.dmp

    Filesize

    5.6MB

  • memory/4788-132-0x0000000004F70000-0x0000000005002000-memory.dmp

    Filesize

    584KB

  • memory/4788-133-0x0000000004F00000-0x0000000004F0A000-memory.dmp

    Filesize

    40KB