Overview

overview

10

Static

static

POEA MEMOR...DF.exe

windows7_x64

10

POEA MEMOR...DF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 13:23

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General

  • Target

    POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe

  • Size

    1.0MB

  • MD5

    10bd35143e96d238c1c877dd2876da0a

  • SHA1

    44b3c0d42a56605de95f9953432b6f6b9486300c

  • SHA256

    b85ba05f52b6a5c66037d81e9b5bfd046202ce5de9136e4995822b2fe6405175

  • SHA512

    2d47ee630f6f9912cd3acc455344c753248f1f0f2f62676aa94d9e4112a08f88dd6b6219260367bfdbc57724e4d3eb4a567ea5da14bfa503cdf05cb40d4826ab

Score
10/10
remcosaugust-bless-mepersistenceratsuricata

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

AUGUST-BLESS-ME

C2

officer170.webredirect.org:2404

chidera12345.ddns.net:2404
Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-T7VXCL

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

    ratremcos
  • suricata: ET MALWARE Remcos RAT Checkin 23

    suricata: ET MALWARE Remcos RAT Checkin 23

    suricata
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\99809826\asku.pif
      "C:\99809826\asku.pif" idwuopbrak.exm
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1532

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\99809826\asku.pif
    Filesize

    712KB

    MD5

    43e7db53ce5c130179aef5b47dcf7608

    SHA1

    5398e207d9ad301860b570d87601c1664ada9c0a

    SHA256

    9c04aab5734e2e0eea44af2584333ecc093b27ef36a586fb8873b5d4cadcd7f1

    SHA512

    a79f8094152f4f0cb5f0763bc4cdfdc9061af322dfee1bac043de0ac7581f2a7b35841924fe224ecc73b6bda1fba6811045e513d45e8f3598ca6ec313b7103f4

    Download Submit
  • C:\99809826\asku.pif
    Filesize

    712KB

    MD5

    43e7db53ce5c130179aef5b47dcf7608

    SHA1

    5398e207d9ad301860b570d87601c1664ada9c0a

    SHA256

    9c04aab5734e2e0eea44af2584333ecc093b27ef36a586fb8873b5d4cadcd7f1

    SHA512

    a79f8094152f4f0cb5f0763bc4cdfdc9061af322dfee1bac043de0ac7581f2a7b35841924fe224ecc73b6bda1fba6811045e513d45e8f3598ca6ec313b7103f4

    Download Submit
  • C:\99809826\idwuopbrak.exm
    Filesize

    213.5MB

    MD5

    473814d436865cb8793a4203c6f2fbe1

    SHA1

    5c624c51bb373b84e6507ccfbe0ec9167a35b0c5

    SHA256

    c2e1f2c3cc59cf159240757253a48a3716c3b469e105f2ba70f7cd5fc017a81b

    SHA512

    db32f5b88216862902f1abd6c7f9a267ae3b19104abb38aec8d6c404f0d26cb563f4131f60c43f0db25402c50057019b694063663e0f7130bbd16f26c1449087

    Download Submit
  • C:\99809826\itbq.dat
    Filesize

    303KB

    MD5

    d98ac636e189c4c686dd58ae8a9bac4a

    SHA1

    9b92bc50854c88da6131ecd12f8a8713b82e9dcc

    SHA256

    2fda035718648f3834a04737aafeae5a612101c13f6965dcc58b5df334401b48

    SHA512

    430be4fa29518324799dac332e0c0043fd95107d9c7976a6ae9cbe29703fe683c7434d92dae21272935afe6d3c06109739dfa92254689409b5372a212d2a8e37

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    Filesize

    44KB

    MD5

    9d352bc46709f0cb5ec974633a0c3c94

    SHA1

    1969771b2f022f9a86d77ac4d4d239becdf08d07

    SHA256

    2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

    SHA512

    13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

    Download Submit
  • memory/1292-130-0x0000000000000000-mapping.dmp
    Download
  • memory/1532-135-0x0000000000B00000-0x0000000001045000-memory.dmp
    Filesize

    5.3MB

    Download
  • memory/1532-136-0x0000000000B13B74-mapping.dmp
    Download
  • memory/1532-139-0x0000000000B00000-0x0000000001045000-memory.dmp
    Filesize

    5.3MB

    Download
  • memory/1532-140-0x0000000000B00000-0x0000000001045000-memory.dmp
    Filesize

    5.3MB

    Download