Overview

overview

10

Static

static

1

Quotation.xls

windows7-x64

10

Quotation.xls

windows10-2004-x64

10

Sharing

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General

  • Target

    Quotation.xls

  • Size

    1.1MB

  • Sample

    240726-h9hppstfmq

  • MD5

    36cace5745dcb32c2ab03ca4ba433394

  • SHA1

    2e479ac4ea9b158f39093dded3b55c360a1f2082

  • SHA256

    c2f6ea297ebee1570036db204177fde0e0263006637806e9b28365bb4ef14d7c

  • SHA512

    e2dd193741bb1f9afc3a954bba2ee75a4df1797a487366ad8577a23366f87cb946957f258ab5b493b15abcf351da294e1bca8780765c855ad9a72aed4ed058af

  • SSDEEP

    24576:d29iKjVBuNCgP4G2ycKiEb+S81doGvdKLQy2H7T1:0UKjVBuND4G2ciEb+SNIdOh

Score
10/10
remcosgasplantdefense_evasiondiscoveryexecutionphishingrat

Malware Config

Extracted

Family

remcos

Botnet

Gasplant

C2

unifrieghtmovers.com:2558

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

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    chrome-E2SMAR

  • 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

      Quotation.xls

    • Size

      1.1MB

    • MD5

      36cace5745dcb32c2ab03ca4ba433394

    • SHA1

      2e479ac4ea9b158f39093dded3b55c360a1f2082

    • SHA256

      c2f6ea297ebee1570036db204177fde0e0263006637806e9b28365bb4ef14d7c

    • SHA512

      e2dd193741bb1f9afc3a954bba2ee75a4df1797a487366ad8577a23366f87cb946957f258ab5b493b15abcf351da294e1bca8780765c855ad9a72aed4ed058af

    • SSDEEP

      24576:d29iKjVBuNCgP4G2ycKiEb+S81doGvdKLQy2H7T1:0UKjVBuND4G2ciEb+SNIdOh

    Score
    10/10
    remcosgasplantdefense_evasiondiscoveryexecutionphishingrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Evasion via Device Credential Deployment

      defense_evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Query Registry

3
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks