Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26-04-2021 06:03

General

  • Target

    ORDER SHEET & SAMPLES_pdf.exe

  • Size

    1.0MB

  • MD5

    aee4b8f4f0796c4945908b4ef5aa3457

  • SHA1

    9154bf79d84c17e64290cbaa83835965da7fbed6

  • SHA256

    3c0df5607ab1e7bf906ce2be36ee0bb970c26baf19710f0c195ca9356a2d918f

  • SHA512

    3dae1280754ffb56fae642350b215354304320043555b4ac3698bd094e76e26f123203baff8be8f9f4f1544c0ba30551f5a0729d9c1b0b04e11ad7f0e5d45279

Score
10/10

Malware Config

Extracted

Family

remcos

C2

remcoswealth.ddns.net:59239

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Executes dropped EXE 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER SHEET & SAMPLES_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER SHEET & SAMPLES_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
      "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3404

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • memory/3404-127-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3404-130-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3404-128-0x000000000042EEEF-mapping.dmp

  • memory/3724-122-0x00000000064D0000-0x00000000064D1000-memory.dmp

    Filesize

    4KB

  • memory/3724-121-0x0000000006420000-0x0000000006441000-memory.dmp

    Filesize

    132KB

  • memory/3724-114-0x0000000000680000-0x0000000000681000-memory.dmp

    Filesize

    4KB

  • memory/3724-123-0x00000000063D0000-0x00000000063D1000-memory.dmp

    Filesize

    4KB

  • memory/3724-124-0x0000000002A91000-0x0000000002A92000-memory.dmp

    Filesize

    4KB

  • memory/3724-125-0x0000000006D40000-0x0000000006D4B000-memory.dmp

    Filesize

    44KB

  • memory/3724-126-0x0000000009320000-0x0000000009321000-memory.dmp

    Filesize

    4KB

  • memory/3724-120-0x0000000002A90000-0x0000000002A91000-memory.dmp

    Filesize

    4KB

  • memory/3724-118-0x0000000005150000-0x0000000005151000-memory.dmp

    Filesize

    4KB

  • memory/3724-117-0x00000000050B0000-0x00000000050B1000-memory.dmp

    Filesize

    4KB

  • memory/3724-116-0x00000000055B0000-0x00000000055B1000-memory.dmp

    Filesize

    4KB