Overview

overview

10

Static

static

wrar401.exe

windows10-1703-x64

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General

  • Target

    WinRAR.zip

  • Size

    4.6MB

  • Sample

    221124-yg7fcseg26

  • MD5

    264a685537b52cb5a2d3237f2ac49820

  • SHA1

    d02beb7a2776aad690658bd41ac45b773dd8e56c

  • SHA256

    aa24ce75db9c573a6e1f17923157ac37dcc080f5f248874731db78334eab76bd

  • SHA512

    dc570151d6119a05e0812f75ce756beab63e0df7e3f84479b25454f8cbf44a6a80b3e6527c43d54841d909f801ca1ae24af8cbb93556219cccf4ef18cd391b31

  • SSDEEP

    98304:/dru7aNgy3mV3T3RqUgHVmfdqVbdUW11YKBgfEBuDT2k:/tuolAdJgHVmlqHUAYag2KTt

Score
10/10
discoverypersistence

Malware Config

Targets

    • Target

      wrar401.exe

    • Size

      4.6MB

    • MD5

      75e38ca41d5d7aad3812f23929b8b5f0

    • SHA1

      4fd0c5ad493489a9741f8ec41ca4c984158ce39b

    • SHA256

      936d435ddbfcaa21c9c701d8472367f0bd7992834e9dda1c8eeebf1b06ad3018

    • SHA512

      cca1aa74b6b199a0b6d056686728598a015ef85df6c50aebc19e59b6b43839c3d91a0ea9323210b39bdef1fa852a58e940b099fcd68ea0c67557f7e86ddfb91c

    • SSDEEP

      98304:npTFjZOpPOKvL6AwSRg9ZXznICl4OYn3s1Hpt+xrFqF1NrblGfzqINtForkDe2:nsmKG4Gv0Clgn8NyxUbllEzqINXKkN

    Score
    10/10
    discoverypersistence

    • Modifies system executable filetype association

      persistence

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Registers COM server for autorun

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

3
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks