Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-1703-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-02-2023 04:17

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General

  • Target

    file.exe

  • Size

    2.7MB

  • MD5

    a98cf7d9ef915f3c3cb16d731eb43ff9

  • SHA1

    51110199aae9e5546a8b6e29e62a0a629ab29618

  • SHA256

    a3d5c655cfd386f82cae077d2db8b8c5c64eb560260eca223442f678635349f0

  • SHA512

    2ad5bf1357ac2a89c78b5f7066b759924cb78a90c5643f93b05c1c0d59b8dc0b860549cfd5fbff3ef65c0c7068c2b64cea425db74afe57071c5245773b881dc8

  • SSDEEP

    6144:phdPbOhpdUK5rvyKMdF2Xzw4JttcBDlxdwpfxfBThM9eo1I7u0Kry2wej993RUgV:3tbO5WKeg5fBTy9eo1drf

Score
10/10
colibriexploitsloader

Malware Config

Extracted

Family

colibri

Version

1.4.0

Botnet

exploits

C2

http://194.4.49.243/gate.php

rc4.plain

Signatures

  • Colibri Loader

    A loader sold as MaaS first seen in August 2021.

    loadercolibri
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:3492
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4780

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3492-165-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3492-211-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3492-189-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-188-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-187-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-186-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-185-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-184-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-183-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-182-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-179-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-181-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-180-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3492-178-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-177-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-176-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-175-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-174-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-173-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-172-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-171-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-170-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-169-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-168-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/3492-167-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-138-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-142-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-149-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-148-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-150-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-151-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-152-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-153-0x0000000000980000-0x00000000009FC000-memory.dmp

      Filesize

      496KB

      Download

    • memory/4944-154-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-155-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-156-0x00000000056A0000-0x0000000005B9E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/4944-157-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-158-0x0000000005240000-0x00000000052D2000-memory.dmp

      Filesize

      584KB

      Download

    • memory/4944-159-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-160-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-161-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-162-0x00000000052E0000-0x0000000005346000-memory.dmp

      Filesize

      408KB

      Download

    • memory/4944-163-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-164-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-146-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-145-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-144-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-143-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-147-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-137-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-141-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-139-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-140-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-120-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-136-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-135-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-134-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-133-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-132-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-131-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-130-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-129-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-128-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-127-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-126-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-125-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-124-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-123-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-122-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download

    • memory/4944-121-0x0000000077D50000-0x0000000077EDE000-memory.dmp

      Filesize

      1.6MB

      Download