Overview

overview

10

Static

static

1

SOA-0438.xlsx

windows7-x64

10

SOA-0438.xlsx

windows10-2004-x64

1

Sharing

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General

  • Target

    SOA-0438.xlsx

  • Size

    707KB

  • Sample

    230608-hnmfrsde8z

  • MD5

    261cc699f2de3e15d63c9a9180cb8625

  • SHA1

    db971ea8c3b8f0a9a301995b6c3c8523f581d831

  • SHA256

    f08bfda687fb0ba2d1e4563a6a7d75958d5ef4a1b7ea61b51c96ddc08202e1ba

  • SHA512

    52890f68712fc3602a31ba84f014728bfb362154d4ba0ed19ff9a3aa0fb038b3a1302a8059902117c88db4c36620434947e379ef423674762b527798731dcda1

  • SSDEEP

    12288:M/UZf3FotX6dmtGrDDkBB9UFG+ZFQsnRV4hSISDCQ2UYWCQ5BEpMYzKGyOq:MOF+zGoBB9StZ2wvZISDC4Yk0EOq

Score
10/10
guloaderremcosawelle-hostdownloaderrat

Malware Config

Extracted

Family

remcos

Botnet

Awelle-Host

C2

gdyhjjdhbvxgsfe.gotdns.ch:2718

Attributes
  • audio_folder

    MicRecords

  • 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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-W62KZF

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SOA-0438.xlsx

    • Size

      707KB

    • MD5

      261cc699f2de3e15d63c9a9180cb8625

    • SHA1

      db971ea8c3b8f0a9a301995b6c3c8523f581d831

    • SHA256

      f08bfda687fb0ba2d1e4563a6a7d75958d5ef4a1b7ea61b51c96ddc08202e1ba

    • SHA512

      52890f68712fc3602a31ba84f014728bfb362154d4ba0ed19ff9a3aa0fb038b3a1302a8059902117c88db4c36620434947e379ef423674762b527798731dcda1

    • SSDEEP

      12288:M/UZf3FotX6dmtGrDDkBB9UFG+ZFQsnRV4hSISDCQ2UYWCQ5BEpMYzKGyOq:MOF+zGoBB9StZ2wvZISDC4Yk0EOq

    Score
    10/10
    guloaderremcosawelle-hostdownloaderrat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks