Overview

overview

10

Static

static

5a2f819b56...a6.exe

windows7_x64

9

5a2f819b56...a6.exe

windows10_x64

10

Sharing

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General

  • Target

    5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6

  • Size

    5.8MB

  • Sample

    210226-aspvmpryax

  • MD5

    d96e3976a45882c36e4983c1e7fbcb5b

  • SHA1

    cfb9942a90e7f9aec155c88fafb9b525948364c8

  • SHA256

    5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6

  • SHA512

    fa247d987db3b74c69e5441aa0abbaa2de8350fe9627f8549d26d919e709341269696c2f68e349d87d4ec44ac21f510f723e24e779cab792bfd2db73a729ef6a

Score
10/10
xmrigdiscoveryevasionminerspywareupx

Malware Config

Targets

    • Target

      5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6

    • Size

      5.8MB

    • MD5

      d96e3976a45882c36e4983c1e7fbcb5b

    • SHA1

      cfb9942a90e7f9aec155c88fafb9b525948364c8

    • SHA256

      5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6

    • SHA512

      fa247d987db3b74c69e5441aa0abbaa2de8350fe9627f8549d26d919e709341269696c2f68e349d87d4ec44ac21f510f723e24e779cab792bfd2db73a729ef6a

    Score
    10/10
    evasionspywarexmrigdiscoveryminerupx

    • xmrig

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

      minerxmrig

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • XMRig Miner Payload

      miner

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Hidden Files and Directories

2
T1158

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Hidden Files and Directories

2
T1158

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks