Analysis

  • max time kernel
    6s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    11-06-2021 03:03

General

  • Target

    0e568f8920a068d8300b2ef9096c8394cfa77b6002be1.exe

  • Size

    383KB

  • MD5

    4e99138abad19c9cba519e39083831c5

  • SHA1

    2970b1d625f2e4ea946b70f9b6d6e26021f9bfbb

  • SHA256

    0e568f8920a068d8300b2ef9096c8394cfa77b6002be1692ad3a6fead7e3eb1f

  • SHA512

    9eccf430b186ad0494a84633009dc5687eba49eb19546f062abaea42e65e905c8115b3378a08f25ee6a931583d9f4e137f65255eca65d83947c7b3811e719e5d

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\0e568f8920a068d8300b2ef9096c8394cfa77b6002be1.exe
    "C:\Users\Admin\AppData\Local\Temp\0e568f8920a068d8300b2ef9096c8394cfa77b6002be1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "0e568f8920a068d8300b2ef9096c8394cfa77b6002be1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0e568f8920a068d8300b2ef9096c8394cfa77b6002be1.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "0e568f8920a068d8300b2ef9096c8394cfa77b6002be1.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1296

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/916-60-0x0000000075011000-0x0000000075013000-memory.dmp
    Filesize

    8KB

  • memory/916-64-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB

  • memory/916-63-0x00000000001B0000-0x00000000001DF000-memory.dmp
    Filesize

    188KB

  • memory/1276-61-0x0000000000000000-mapping.dmp
  • memory/1296-62-0x0000000000000000-mapping.dmp