Overview

overview

10

Static

static

Agent Wind...61.exe

windows7_x64

10

Agent Wind...61.exe

windows10_x64

10

Sharing

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General

  • Target

    Agent WindowsR1.5.561.exe

  • Size

    3.7MB

  • Sample

    210422-b93da5tejj

  • MD5

    c01e9e0697a5fe89ea95010aef1ec9a0

  • SHA1

    12c50eea01bfaf061bb1ed2daecdbe49bc1e2972

  • SHA256

    61660ffe382430717fccd0bc8b33e8e498665c72cf7b7f974fda9ec728ead713

  • SHA512

    58dcc3b5b5e60fdb2ce2407255f433ff4bc06827349f0c3b405750ab393a59061fcbef6735c8c287fef980ad57df4c2a439a2505ca0cc7fbb4115d971121353e

Score
10/10
xmrigdiscoveryevasionminerpersistence

Malware Config

Targets

    • Target

      Agent WindowsR1.5.561.exe

    • Size

      3.7MB

    • MD5

      c01e9e0697a5fe89ea95010aef1ec9a0

    • SHA1

      12c50eea01bfaf061bb1ed2daecdbe49bc1e2972

    • SHA256

      61660ffe382430717fccd0bc8b33e8e498665c72cf7b7f974fda9ec728ead713

    • SHA512

      58dcc3b5b5e60fdb2ce2407255f433ff4bc06827349f0c3b405750ab393a59061fcbef6735c8c287fef980ad57df4c2a439a2505ca0cc7fbb4115d971121353e

    Score
    10/10
    xmrigdiscoveryevasionminerpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Modifies Windows Firewall

      evasion

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

2
T1060

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Hidden Files and Directories

1
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks