Overview

overview

10

Static

static

1

OFFER REQUEST.exe

windows7-x64

10

OFFER REQUEST.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    OFFER REQUEST.exe

  • Size

    348KB

  • Sample

    230607-l1s1vshe62

  • MD5

    12f1f8b544a44c9e417a7265a4c02a4c

  • SHA1

    20b172d83dcdb9974b8e222f14ea1e48eeccbfbe

  • SHA256

    c4a1a8af4c1336e8e69e1914959cbf3bc4bfe5221639a163244d19fd60e8af19

  • SHA512

    a462d5c3828d6fc6a40ff0dcb166abc6116008add3e8eb92be9b04ccd923c0b2abcc489eeb8b19c0805607063e76660948c9b5c985f0fff599080c94149c8acf

  • SSDEEP

    6144:tIw3EwpCED/b1Myi5LQyUXme7HkSv7QFkMaTfKSzRm9C42+krMwUuDP:Aob1MyaQLmesdhgRmIdgyz

Score
10/10
guloaderremcosbabynwahostdiscoverydownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

babynwaHost

C2

callito2024.sytes.net:2097

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    ssc.exe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-JLXQ0I

  • 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

      OFFER REQUEST.exe

    • Size

      348KB

    • MD5

      12f1f8b544a44c9e417a7265a4c02a4c

    • SHA1

      20b172d83dcdb9974b8e222f14ea1e48eeccbfbe

    • SHA256

      c4a1a8af4c1336e8e69e1914959cbf3bc4bfe5221639a163244d19fd60e8af19

    • SHA512

      a462d5c3828d6fc6a40ff0dcb166abc6116008add3e8eb92be9b04ccd923c0b2abcc489eeb8b19c0805607063e76660948c9b5c985f0fff599080c94149c8acf

    • SSDEEP

      6144:tIw3EwpCED/b1Myi5LQyUXme7HkSv7QFkMaTfKSzRm9C42+krMwUuDP:Aob1MyaQLmesdhgRmIdgyz

    Score
    10/10
    guloaderremcosbabynwahostdiscoverydownloaderpersistencerat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

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

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks