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Overview

overview

10

Static

static

10

NA_NA_275b...JC.exe

windows7-x64

10

NA_NA_275b...JC.exe

windows10-2004-x64

10

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General

  • Target

    NA_NA_275bb9306741d4exeexe_JC.exe

  • Size

    14.6MB

  • Sample

    230723-xl2v1age2v

  • MD5

    275bb9306741d4bca394ea81eed04003

  • SHA1

    105e0706bf888c1f5df54e57f7244e968562a1f4

  • SHA256

    88dffec2c2eafe7a0856177805412070a3924bc9a706328456488ebb7c8e29f2

  • SHA512

    da68be5386afac0edd40ac74588a47b7963713841584c3ece4d2db2919b71d2cdb9ba7e617e60f2d01133c6635be56842e08d9d1f673037df25fcffcfe1e6ca0

  • SSDEEP

    98304:YmBtyYXmknGzZr+HdO5SEPFtmOZ9G1Md5v/nZVnivsAl0eXTBJYa5roSCaa:I6mknGzwHdOgEPHd9BbX/nivPlTXTYr

Score
10/10
mimikatzxmrigdiscoveryevasionminerpersistenceupx

Malware Config

Targets

    • Target

      NA_NA_275bb9306741d4exeexe_JC.exe

    • Size

      14.6MB

    • MD5

      275bb9306741d4bca394ea81eed04003

    • SHA1

      105e0706bf888c1f5df54e57f7244e968562a1f4

    • SHA256

      88dffec2c2eafe7a0856177805412070a3924bc9a706328456488ebb7c8e29f2

    • SHA512

      da68be5386afac0edd40ac74588a47b7963713841584c3ece4d2db2919b71d2cdb9ba7e617e60f2d01133c6635be56842e08d9d1f673037df25fcffcfe1e6ca0

    • SSDEEP

      98304:YmBtyYXmknGzZr+HdO5SEPFtmOZ9G1Md5v/nZVnivsAl0eXTBJYa5roSCaa:I6mknGzwHdOgEPHd9BbX/nivPlTXTYr

    Score
    10/10
    mimikatzxmrigdiscoveryevasionminerpersistenceupx

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

      mimikatz

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

      minerxmrig

    • Contacts a large (33925) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Contacts a large (42874) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • XMRig Miner payload

      miner

    • mimikatz is an open source tool to dump credentials on Windows

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      evasion

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Looks up external IP address via web service

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

    • Creates a Windows Service

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Network Service Discovery

3
T1046

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks