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Overview

overview

10

Static

static

7

NEAS.cd3cd...20.exe

windows7-x64

10

NEAS.cd3cd...20.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.cd3cd158e5e84f4733f5453bc0c13320.exe

  • Size

    63KB

  • Sample

    231116-mvmsbsbh6v

  • MD5

    cd3cd158e5e84f4733f5453bc0c13320

  • SHA1

    ccfe677890b815252c525fe4711a080a90efb173

  • SHA256

    443862c81b4d4c8fda7e72af1901b8446b5b94a21a83e13cb936ff623d5d6c25

  • SHA512

    0e3d4e0af1cd86fc2c46eabad06ffabaab25e287a48c43cea0414eafbe7b231122eca7da534e24444d80ff87b535dfba0a149acaf9721b6df690533cbdd699c5

  • SSDEEP

    1536:jRsjdEIUFC2p79OCnouy8VDtHAG4RsfU:jOm9CshoutdtR4

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      NEAS.cd3cd158e5e84f4733f5453bc0c13320.exe

    • Size

      63KB

    • MD5

      cd3cd158e5e84f4733f5453bc0c13320

    • SHA1

      ccfe677890b815252c525fe4711a080a90efb173

    • SHA256

      443862c81b4d4c8fda7e72af1901b8446b5b94a21a83e13cb936ff623d5d6c25

    • SHA512

      0e3d4e0af1cd86fc2c46eabad06ffabaab25e287a48c43cea0414eafbe7b231122eca7da534e24444d80ff87b535dfba0a149acaf9721b6df690533cbdd699c5

    • SSDEEP

      1536:jRsjdEIUFC2p79OCnouy8VDtHAG4RsfU:jOm9CshoutdtR4

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

7
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks