Resubmissions

18-05-2021 06:11

210518-d65tjsdkca 10

17-05-2021 23:59

210517-5l43zlcj96 10

Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    17-05-2021 23:59

General

  • Target

    c4ee59399cd3b4b7b480cc473587002ae58267cf9d49fc95c3796fc779bb0ac2.exe

  • Size

    212KB

  • MD5

    eef5dcc876300b282f79ec8e34e4abc0

  • SHA1

    26997fec602370385eb1fd810984a516d2262176

  • SHA256

    c4ee59399cd3b4b7b480cc473587002ae58267cf9d49fc95c3796fc779bb0ac2

  • SHA512

    5c3d52741b1c979c5a3eb8f1cb54b515cd9a3d88d334e50fa75593fe5a0e4aab344d2fea5738551baa2d28c317b1c24b839fdccda63151f686b50432c575a455

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 SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4ee59399cd3b4b7b480cc473587002ae58267cf9d49fc95c3796fc779bb0ac2.exe
    "C:\Users\Admin\AppData\Local\Temp\c4ee59399cd3b4b7b480cc473587002ae58267cf9d49fc95c3796fc779bb0ac2.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\c4ee59399cd3b4b7b480cc473587002ae58267cf9d49fc95c3796fc779bb0ac2.exe
      --c9b0ba0b
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      PID:1692
  • C:\Windows\SysWOW64\nicwiz.exe
    "C:\Windows\SysWOW64\nicwiz.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\nicwiz.exe
      --6b7192b2
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:800

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/752-63-0x0000000076691000-0x0000000076693000-memory.dmp
    Filesize

    8KB

  • memory/800-64-0x0000000000000000-mapping.dmp
  • memory/1692-60-0x0000000000000000-mapping.dmp
  • memory/1920-61-0x0000000000240000-0x0000000000251000-memory.dmp
    Filesize

    68KB