Overview

overview

10

Static

static

CONFIRM OR...df.exe

windows7_x64

10

CONFIRM OR...df.exe

windows10_x64

10

Sharing

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General

  • Target

    CONFIRM ORDER_O452-11189H6U77,pdf.exe

  • Size

    743KB

  • Sample

    210423-84q8j8v4t2

  • MD5

    a10b06acd92325678e2b960544c9257f

  • SHA1

    754dfa9962325d7ad6676779bafcd8b5e18d6978

  • SHA256

    6ce1eb96c697ce276022f1a14fe7da73f910487fcfb384d676b28aa55f0c05ca

  • SHA512

    8fef2e063e121fdf49f2d1fedb35aa6bd17fcf15e775f2460d473f13783e9e9f256765c3da6b7aa8334dd096d69c6b5774ba1ee7f703f6e07a4acaabdcc0a249

Score
10/10
remcosevasionrat

Malware Config

Extracted

Family

remcos

C2

goddywin.freedynamicdns.net:6712

Targets

    • Target

      CONFIRM ORDER_O452-11189H6U77,pdf.exe

    • Size

      743KB

    • MD5

      a10b06acd92325678e2b960544c9257f

    • SHA1

      754dfa9962325d7ad6676779bafcd8b5e18d6978

    • SHA256

      6ce1eb96c697ce276022f1a14fe7da73f910487fcfb384d676b28aa55f0c05ca

    • SHA512

      8fef2e063e121fdf49f2d1fedb35aa6bd17fcf15e775f2460d473f13783e9e9f256765c3da6b7aa8334dd096d69c6b5774ba1ee7f703f6e07a4acaabdcc0a249

    Score
    10/10
    remcosevasionrat

    • Remcos

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

      ratremcos

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Uses the VBS compiler for execution

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Scripting

1
T1064

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks