Overview

overview

10

Static

static

URLScan

urlscan

https://www.poly.com...

windows7_x64

10

Resubmissions

17-01-2021 18:41

210117-6tswpdfc2n 6

15-01-2021 00:12

210115-sn86b9adwn 10

15-01-2021 00:10

210115-4ez2jwsxxe 1

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General

  • Target

    https://www.poly.com/in/en/support/downloads-apps

  • Sample

    210115-sn86b9adwn

Score
10/10
ursnif_rm3bankerdiscoveryevasionmacropersistencetrojanxlm

Malware Config

Targets

    • Target

      https://www.poly.com/in/en/support/downloads-apps

    Score
    10/10
    ursnif_rm3bankerdiscoveryevasionmacropersistencetrojanxlm

    • Registers COM server for autorun

      persistence

    • Ursnif RM3

      A heavily modified version of Ursnif discovered in the wild.

      bankertrojanursnif_rm3

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

      macroxlm

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • JavaScript code in executable

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks