Overview

overview

9

Static

static

1

rhino_en-u...01.exe

windows7-x64

4

rhino_en-u...01.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    rhino_en-us_7.29.23107.03001.exe

  • Size

    293.3MB

  • Sample

    230612-tpye7sde5w

  • MD5

    a98cdb7c0f477d356997455b91ec0a83

  • SHA1

    91b81bcc937779f65578b00303644469382ba6b8

  • SHA256

    5b315a54591d573feb569d2471d8291351a552d4b3f2e35987bc93bee1218989

  • SHA512

    f32c5a3c2bca72bcb8711c9f4edd0cd478d44dcdc7696005002a00b14bdcd37b689ee44e9d8e612e5b4307fa2d61e53430dc4eb202f2dcb326da4ed395f9ed04

  • SSDEEP

    6291456:lj7SKgeBv0/wFJblMRI5c1ec1JSq5BTTUkP9DOJd9CgSKMfRxR:ljlqwpAI5c1eQvvTX9CTcWMnR

Score
9/10
coreentitydiscoverypersistence

Malware Config

Targets

    • Target

      rhino_en-us_7.29.23107.03001.exe

    • Size

      293.3MB

    • MD5

      a98cdb7c0f477d356997455b91ec0a83

    • SHA1

      91b81bcc937779f65578b00303644469382ba6b8

    • SHA256

      5b315a54591d573feb569d2471d8291351a552d4b3f2e35987bc93bee1218989

    • SHA512

      f32c5a3c2bca72bcb8711c9f4edd0cd478d44dcdc7696005002a00b14bdcd37b689ee44e9d8e612e5b4307fa2d61e53430dc4eb202f2dcb326da4ed395f9ed04

    • SSDEEP

      6291456:lj7SKgeBv0/wFJblMRI5c1ec1JSq5BTTUkP9DOJd9CgSKMfRxR:ljlqwpAI5c1eQvvTX9CTcWMnR

    Score
    9/10
    discoverycoreentitypersistence

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Checks computer location settings

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

    behavioral1behavioral2

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

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks