Analysis

  • max time kernel
    37s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-04-2022 04:23

General

  • Target

    814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe

  • Size

    376KB

  • MD5

    b159b0ad1bf4638eef29031b66dfdfe9

  • SHA1

    e81d45d019c20e3d256844f1b234350e5e4a7855

  • SHA256

    814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b

  • SHA512

    41351db0bd767270b40a83ab4c32910eac4d9192edeca0b2c460439228f6325296f70dfcacb8d776ce1456d0549cc19227eba4c6bb22d53cfa964a3989d4f7d5

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\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe
    "C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1280-54-0x00000000756E1000-0x00000000756E3000-memory.dmp

    Filesize

    8KB

  • memory/1280-55-0x000000000066B000-0x0000000000693000-memory.dmp

    Filesize

    160KB

  • memory/1280-56-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/1280-57-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB