Overview

overview

10

Static

static

1

43a76564e0...2b.exe

windows7_x64

10

43a76564e0...2b.exe

windows10_x64

10

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General

  • Target

    43a76564e07435ac07f3d3d3ab49885bd0bf8562d0c14a87fc2d536d4c94b62b

  • Size

    1.4MB

  • Sample

    211207-j6q3cagdbp

  • MD5

    938150f91d742c07236f8bf8c4823028

  • SHA1

    9a375e941eb880f0f8be3d8cef2e149b74df140b

  • SHA256

    43a76564e07435ac07f3d3d3ab49885bd0bf8562d0c14a87fc2d536d4c94b62b

  • SHA512

    12ad34b4acbe9499e789790f6b7809846f873b148d84dae895f3989901ee2fba2af9734f47670144fb5a16067ca54e44e5f01fc49804b02dc0cb4ceb510e9c2d

Score
10/10
xmrigminerpersistence

Malware Config

Targets

    • Target

      43a76564e07435ac07f3d3d3ab49885bd0bf8562d0c14a87fc2d536d4c94b62b

    • Size

      1.4MB

    • MD5

      938150f91d742c07236f8bf8c4823028

    • SHA1

      9a375e941eb880f0f8be3d8cef2e149b74df140b

    • SHA256

      43a76564e07435ac07f3d3d3ab49885bd0bf8562d0c14a87fc2d536d4c94b62b

    • SHA512

      12ad34b4acbe9499e789790f6b7809846f873b148d84dae895f3989901ee2fba2af9734f47670144fb5a16067ca54e44e5f01fc49804b02dc0cb4ceb510e9c2d

    Score
    10/10
    xmrigminerpersistence

    • Modifies WinLogon for persistence

      persistence

    • xmrig

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

      minerxmrig

    • Detected Stratum cryptominer command

      Looks to be attempting to contact Stratum mining pool.

      miner

    • XMRig Miner Payload

      miner

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks