Overview

overview

10

Static

static

MVC RFQSpe...on.doc

windows7_x64

10

MVC RFQSpe...on.doc

windows10_x64

10

Sharing

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General

  • Target

    MVC RFQSpecification.doc

  • Size

    295KB

  • Sample

    210420-cgg7wlmw1e

  • MD5

    191f38f0ef0adca84572330b29a32034

  • SHA1

    358ebb28a5a5adf4bfccc1199901a91156063101

  • SHA256

    ffdfa8e7d36238ac625b595ff40cc2faae7b76a5b1a85579943c4b42cd4738fe

  • SHA512

    a9a5f93954baae12194549d477ca2241149615fcec9ef79765329f832967b1f5c34f78ddee11b637884d371cc090c86dfdaf2fdd62a6a08b5c7177828daede18

Score
10/10
remcospersistencerat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

httP://twart.myfirewall.org/firewall.exe

Extracted

Family

remcos

C2

sandshoe.myfirewall.org:2415

Targets

    • Target

      MVC RFQSpecification.doc

    • Size

      295KB

    • MD5

      191f38f0ef0adca84572330b29a32034

    • SHA1

      358ebb28a5a5adf4bfccc1199901a91156063101

    • SHA256

      ffdfa8e7d36238ac625b595ff40cc2faae7b76a5b1a85579943c4b42cd4738fe

    • SHA512

      a9a5f93954baae12194549d477ca2241149615fcec9ef79765329f832967b1f5c34f78ddee11b637884d371cc090c86dfdaf2fdd62a6a08b5c7177828daede18

    Score
    10/10
    remcospersistencerat

    • 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

    • 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

2
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks