Analysis

  • max time kernel
    100s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-05-2022 02:40

General

  • Target

    89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe

  • Size

    312KB

  • MD5

    1ac7d60c72e8b77f9365c8e119eb675b

  • SHA1

    c8aba969c02188b754d752b0c6624d81b7ea2549

  • SHA256

    89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2

  • SHA512

    43a037dd388c56e48e8e9f08bbd78ec974f27e02089c2f488c96ed7aa74b48dc9a91eff53c902ec6597243ead7cdfb5b2f6ac5a704ccc410fed37ddb53607aad

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\89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe
    "C:\Users\Admin\AppData\Local\Temp\89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/960-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/960-56-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/960-55-0x0000000004F7B000-0x0000000004FA3000-memory.dmp

    Filesize

    160KB

  • memory/960-57-0x0000000000400000-0x0000000004DCB000-memory.dmp

    Filesize

    73.8MB

  • memory/1648-59-0x0000000000000000-mapping.dmp

  • memory/1968-58-0x0000000000000000-mapping.dmp