Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-05-2021 02:40

General

  • Target

    ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe

  • Size

    159KB

  • MD5

    fb2fbdc6759473d405a89df0fdc5702c

  • SHA1

    7f19896ba52e64b9a9e69f7968af1db631ea5893

  • SHA256

    ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf

  • SHA512

    6748129d269f179ac1ef21f56b4d7fbc78282cc9d1efcceebf7fd206a0c31ea48a7eed4fcda4cfcf2824e87b1c36c247a9337d44e850f1218071279aeadabcfb

Score
10/10

Malware Config

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe
    "C:\Users\Admin\AppData\Local\Temp\ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Users\Admin\AppData\Local\Temp\ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe
      --f13b44b3
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of UnmapMainImage
      PID:1676
  • C:\Windows\SysWOW64\adtrel.exe
    "C:\Windows\SysWOW64\adtrel.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\adtrel.exe
      --e0406d9a
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/788-59-0x0000000075551000-0x0000000075553000-memory.dmp

    Filesize

    8KB

  • memory/788-60-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB

  • memory/788-63-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1676-65-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB