Overview

overview

10

Static

static

QUOTATION LIST.PDF.js

windows7-x64

10

QUOTATION LIST.PDF.js

windows10-2004-x64

10

Sharing

Copy URL
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General

  • Target

    QUOTATION LIST.PDF.js

  • Size

    862KB

  • Sample

    221206-shzt1scc9w

  • MD5

    30cc031f7f3c29317acf50899c92502f

  • SHA1

    360680549dbbbc586cbaaacfe39ce5ae064014e3

  • SHA256

    3d4a19ec73693a6e2b0618872193fee163a9fde348cb677c6e05316b71945d88

  • SHA512

    6d12bcfe97136feba36013d9726544ff473d61e056b2bd9175415136eab74885303068c55ccecdf9d227a1e01d74b12de96fbe24a3f4b69f89e692d3b0f723f9

  • SSDEEP

    12288:Xh92LGDRefFwHUbzDGd/a/b0kvmsJ148G+6J7ou/QpFDLfzGWNGZ1h4DjOmzt05K:Xh9/FEv/3vJsgqo

Score
10/10
remcosvjw0rmremotehostpersistencerattrojanworm

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.139.105.174:3111

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-XI5CH7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      QUOTATION LIST.PDF.js

    • Size

      862KB

    • MD5

      30cc031f7f3c29317acf50899c92502f

    • SHA1

      360680549dbbbc586cbaaacfe39ce5ae064014e3

    • SHA256

      3d4a19ec73693a6e2b0618872193fee163a9fde348cb677c6e05316b71945d88

    • SHA512

      6d12bcfe97136feba36013d9726544ff473d61e056b2bd9175415136eab74885303068c55ccecdf9d227a1e01d74b12de96fbe24a3f4b69f89e692d3b0f723f9

    • SSDEEP

      12288:Xh92LGDRefFwHUbzDGd/a/b0kvmsJ148G+6J7ou/QpFDLfzGWNGZ1h4DjOmzt05K:Xh9/FEv/3vJsgqo

    Score
    10/10
    remcosvjw0rmremotehostpersistencerattrojanworm

    • Remcos

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

      ratremcos

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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