Overview

overview

10

Static

static

1

Sample_Ord...91.xls

windows7-x64

10

Sample_Ord...91.xls

windows10-2004-x64

10

Sharing

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General

  • Target

    Sample_Order_000000991.xls

  • Size

    1.1MB

  • Sample

    241216-thd3zsvqck

  • MD5

    5f2e46c7cb021508ad4cb1cb4785af35

  • SHA1

    49d152547e233e76c58586fa0b0be5f341cc65b0

  • SHA256

    820d600f7e9de3c49ab72a5cf0eed154f8a733a971dc4d601a2941a2b1596aa1

  • SHA512

    2b25d71308e8636d0caefbdb24181061da7d620dfc525422e46455ee0bd205801b8a863ffcc292e81b2636e067776010df0be3596dbefd157f5459b5fdddd8be

  • SSDEEP

    12288:bymzHJEUiOIBUzMTSHD3DERnLRmF8D9EPbxpsAQx1Zj+jeEPubjxAzrGbxzX7n41:hBaKbARM8k78Z+jppr8zr4i4Q8+a5d

Score
10/10
remcoselvisdefense_evasiondiscoveryexecutionphishingrat

Malware Config

Extracted

Family

remcos

Botnet

elvis

C2

107.173.4.16:2560

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    Rmc-GJDISH

  • 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

      Sample_Order_000000991.xls

    • Size

      1.1MB

    • MD5

      5f2e46c7cb021508ad4cb1cb4785af35

    • SHA1

      49d152547e233e76c58586fa0b0be5f341cc65b0

    • SHA256

      820d600f7e9de3c49ab72a5cf0eed154f8a733a971dc4d601a2941a2b1596aa1

    • SHA512

      2b25d71308e8636d0caefbdb24181061da7d620dfc525422e46455ee0bd205801b8a863ffcc292e81b2636e067776010df0be3596dbefd157f5459b5fdddd8be

    • SSDEEP

      12288:bymzHJEUiOIBUzMTSHD3DERnLRmF8D9EPbxpsAQx1Zj+jeEPubjxAzrGbxzX7n41:hBaKbARM8k78Z+jppr8zr4i4Q8+a5d

    Score
    10/10
    remcoselvisdefense_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

    • Remcos family

      remcos

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks