Overview

overview

10

Static

static

1

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tmp

  • Size

    1.2MB

  • Sample

    230321-xm3hxsee9t

  • MD5

    d789b2e872b82af29170b174c3b9e97f

  • SHA1

    4e3dff1e7dbff7a96012667d00fca66d0fe7fb15

  • SHA256

    6361315cefbde08b7a1dc646cbc9ee09c3f57de65a1f7e05d3d1b7b986b2e7fb

  • SHA512

    462b0dca74c3a4707d76866aaaea4755e4644b27f22870f04f90b62943a216b775f4a7524c9b05a5fad5ca293c83e61f3c8bd0c0e310395ae5d1e02cd83ee302

  • SSDEEP

    24576:ERF0YvDgAgMI0csDuyNsdsTDD27bIclWWJ+rk9EWy4/kgwJ/Y4DmFusePSgzPkns:ERFl0Ag70csDumPnK7bIcgWQQ9Ly4pi

Score
10/10
remcosxppersistencerat

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      tmp

    • Size

      1.2MB

    • MD5

      d789b2e872b82af29170b174c3b9e97f

    • SHA1

      4e3dff1e7dbff7a96012667d00fca66d0fe7fb15

    • SHA256

      6361315cefbde08b7a1dc646cbc9ee09c3f57de65a1f7e05d3d1b7b986b2e7fb

    • SHA512

      462b0dca74c3a4707d76866aaaea4755e4644b27f22870f04f90b62943a216b775f4a7524c9b05a5fad5ca293c83e61f3c8bd0c0e310395ae5d1e02cd83ee302

    • SSDEEP

      24576:ERF0YvDgAgMI0csDuyNsdsTDD27bIclWWJ+rk9EWy4/kgwJ/Y4DmFusePSgzPkns:ERFl0Ag70csDumPnK7bIcgWQQ9Ly4pi

    Score
    10/10
    remcosxppersistencerat

    • Remcos

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

      ratremcos

    • 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

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks