Analysis

  • max time kernel
    6s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-06-2021 23:22

General

  • Target

    6803ee8f500080b6a72a7e391bc4778e.exe

  • Size

    384KB

  • MD5

    6803ee8f500080b6a72a7e391bc4778e

  • SHA1

    82119534bf1f452e9c98352577075073c671da59

  • SHA256

    377030b4311c86adfdbab3a625400cfeae0288f71bb6a3530ed022a9ff87b04e

  • SHA512

    9aee22f0c85862b03d9beebab042f84b2c5b7091181757b06404a3bf2dd4d67be72aff6a283d62897833e90f06a9b02dd396f54d64439b9b8110d643b4a44442

Score
7/10

Malware Config

Signatures

  • 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\6803ee8f500080b6a72a7e391bc4778e.exe
    "C:\Users\Admin\AppData\Local\Temp\6803ee8f500080b6a72a7e391bc4778e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "6803ee8f500080b6a72a7e391bc4778e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6803ee8f500080b6a72a7e391bc4778e.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "6803ee8f500080b6a72a7e391bc4778e.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1056

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/324-62-0x0000000000000000-mapping.dmp
  • memory/1056-63-0x0000000000000000-mapping.dmp
  • memory/1980-59-0x0000000075AD1000-0x0000000075AD3000-memory.dmp
    Filesize

    8KB

  • memory/1980-60-0x0000000000250000-0x000000000027F000-memory.dmp
    Filesize

    188KB

  • memory/1980-61-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB