Analysis

  • max time kernel
    55s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 08:49

General

  • Target

    f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe

  • Size

    350KB

  • MD5

    1a349cd091b56f028fd227b08430caa4

  • SHA1

    80086e37b32214c0d7449174bf9f9aa9b671acf4

  • SHA256

    f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f

  • SHA512

    8618a45645c52e5a628a262e880d04ab59f84e34462c6a9eff25dac89572d8e4fdd0642070398693f1f90ad640a1a19560e3821f03a0ccfb324410703cf187b8

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe
    "C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/972-54-0x000000000026C000-0x0000000000294000-memory.dmp

    Filesize

    160KB

  • memory/972-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

    Filesize

    8KB

  • memory/972-57-0x0000000002390000-0x00000000023D6000-memory.dmp

    Filesize

    280KB

  • memory/972-56-0x000000000026C000-0x0000000000294000-memory.dmp

    Filesize

    160KB

  • memory/972-58-0x0000000000400000-0x0000000000C31000-memory.dmp

    Filesize

    8.2MB