Overview

overview

10

Static

static

ADJUNTO_EX...f..exe

windows7_x64

10

ADJUNTO_EX...f..exe

windows10_x64

10

Sharing

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General

  • Target

    ADJUNTO_EXTRACTO_256728330978625955057149_1059671258198438428245220_479639936823168180923985_7125545135786632657046_pdf.

  • Size

    133KB

  • Sample

    210427-qzvrvrgpzj

  • MD5

    8206b546d135a6cd1c6c4515accc4219

  • SHA1

    9ff276fb9754f876cbbce3ca4f69b40c368e86e3

  • SHA256

    3781825b53e1bcc9ba8bd6790b399bda60bfc588e980670c54b98b852d639d94

  • SHA512

    6869b2bf89fa36943c44395ca8f133773be55cacc3b84e5d1ba311f7f385093235e95c1ce6cc6ca09bbb5c569d4dcf7bd973fc946464b03a8c034fdd8f7f0aa3

Score
10/10
remcosevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

C2

databasepropersonombrecomercialideasearchwords.services:3521

Targets

    • Target

      ADJUNTO_EXTRACTO_256728330978625955057149_1059671258198438428245220_479639936823168180923985_7125545135786632657046_pdf.

    • Size

      133KB

    • MD5

      8206b546d135a6cd1c6c4515accc4219

    • SHA1

      9ff276fb9754f876cbbce3ca4f69b40c368e86e3

    • SHA256

      3781825b53e1bcc9ba8bd6790b399bda60bfc588e980670c54b98b852d639d94

    • SHA512

      6869b2bf89fa36943c44395ca8f133773be55cacc3b84e5d1ba311f7f385093235e95c1ce6cc6ca09bbb5c569d4dcf7bd973fc946464b03a8c034fdd8f7f0aa3

    Score
    10/10
    remcosevasionpersistencerattrojan

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Remcos

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

      ratremcos

    • Turns off Windows Defender SpyNet reporting

      evasion

    • Windows security bypass

      evasiontrojan

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

4
T1089

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks