Overview

overview

10

Static

static

PO - 2021-000511.exe

windows7_x64

10

PO - 2021-000511.exe

windows10_x64

10

Sharing

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General

  • Target

    PO - 2021-000511.exe

  • Size

    330KB

  • Sample

    210119-v4z7lnw462

  • MD5

    1fe68462ce21c1dfa5bbc9501d636330

  • SHA1

    800830eae62749ea1a30b70a94f51f644913212d

  • SHA256

    af31df0399c0a4656499be1101463a7c87761dd26dda053503feed9218e47e59

  • SHA512

    9dec8399b5d3dd4c39af35d54a71df27bf550e5ad05ff8c38adc2a0351c775cb376e84249d6cd84a7a648fbc10a7e7563551fef1e278bd97601585f948cea40d

Score
10/10
remcospersistenceratspyware

Malware Config

Extracted

Family

remcos

C2

nkosarevaocs.duckdns.org:7266

Targets

    • Target

      PO - 2021-000511.exe

    • Size

      330KB

    • MD5

      1fe68462ce21c1dfa5bbc9501d636330

    • SHA1

      800830eae62749ea1a30b70a94f51f644913212d

    • SHA256

      af31df0399c0a4656499be1101463a7c87761dd26dda053503feed9218e47e59

    • SHA512

      9dec8399b5d3dd4c39af35d54a71df27bf550e5ad05ff8c38adc2a0351c775cb376e84249d6cd84a7a648fbc10a7e7563551fef1e278bd97601585f948cea40d

    Score
    10/10
    remcospersistenceratspyware

    • Remcos

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

      ratremcos

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks