Overview

overview

10

Static

static

3

Purchase O...at.exe

windows7-x64

10

Purchase O...at.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2025 04:09

Sharing

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General

  • Target

    Purchase Order No.5817-0001142025.bat.exe

  • Size

    602KB

  • MD5

    fb2be2965fb21d400341518012ad4867

  • SHA1

    fda727494d927e9b5919ca2b32f71a1d479f540c

  • SHA256

    93e42636e6f59d02d0a756054fdadc37644c1c32da55cda0185e7923a8e42126

  • SHA512

    4732a136c1e2e7e73f58296013a448edcb528e2c97e664d8ffc145ae471bb323dc6f75431e611d4a2eb6a1966ed39ac772a2afe8584063d1a531cefef870b89b

  • SSDEEP

    12288:UnPdMy8JGFmatdgxcG0F3F/eKZIhMznQJSeufSfk:EPdMvJn0tfZsMzReSck

Score
10/10
latentbotremcosmanifestdiscoverypersistencerattrojan

Malware Config

Extracted

Family

remcos

Botnet

Manifest

C2

linktreewealth.zapto.org:3980

linktreewealth.zapto.org:3981

linktreewealthy.zapto.org:3980
Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-0B1XIG

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

latentbot

C2

linktreewealth.zapto.org

linktreewealthy.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

    trojanlatentbot
  • Latentbot family
    latentbot
  • Remcos

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

    ratremcos
  • Remcos family
    remcos
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order No.5817-0001142025.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order No.5817-0001142025.bat.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order No.5817-0001142025.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order No.5817-0001142025.bat.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat
    Filesize

    144B

    MD5

    0612490675b8efeb47533c145711c510

    SHA1

    f72cd1ea5fd3a5ffb14428c9751e8f086f2f1e3d

    SHA256

    56f984f1e30c3b857cfc18f40df2f6e1622b069360c1e921c62bc8cf83f24c89

    SHA512

    9276a9bb24777539a07e5e1537267a6a8976a0c533b7b7c4f71b476c2a70fdeeb594d668b85587fdcb3ddd01dc360977b306ffe554cb0ac4193a8c90615839f1

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Cab655A.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar657C.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • \Users\Admin\AppData\Local\Temp\nseE86E.tmp\System.dll
    Filesize

    12KB

    MD5

    4add245d4ba34b04f213409bfe504c07

    SHA1

    ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

    SHA256

    9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

    SHA512

    1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

    Download Submit

  • memory/2660-13-0x0000000077591000-0x0000000077692000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2660-14-0x0000000077590000-0x0000000077739000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2668-15-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

    Download

  • memory/2668-16-0x0000000077590000-0x0000000077739000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2668-18-0x0000000077590000-0x0000000077739000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2668-19-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

    Download

  • memory/2668-73-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

    Download