Overview

overview

8

Static

static

3

ef1b2684cf...93.exe

windows7-x64

8

ef1b2684cf...93.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    ef1b2684cf97e3fec89fa26c24d267a8b556edf05e9b1f7612753dda965adc93

  • Size

    632KB

  • Sample

    240329-cdzqfsef7w

  • MD5

    3acc122e04bad00696bba1020a9be409

  • SHA1

    f56e588ebc9b1bc97eeb71003041e2aac0ed8bd1

  • SHA256

    ef1b2684cf97e3fec89fa26c24d267a8b556edf05e9b1f7612753dda965adc93

  • SHA512

    51e88604d90c94620d2f681ad47a9ea5f475862eec180a1c77dccc36c08c937d81f959b96c6a6513a261f93031cfd571d5a99e2734c8c86f03f3de9d556dc34f

  • SSDEEP

    12288:q/iSuokQiMXBLfzYjnlJE1xl444clzKbtDf4TclbwO0dJYPjfWrhrn:q/iUbVKnHEva4plzKxT4TclEO0yjM7

Score
8/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      ef1b2684cf97e3fec89fa26c24d267a8b556edf05e9b1f7612753dda965adc93

    • Size

      632KB

    • MD5

      3acc122e04bad00696bba1020a9be409

    • SHA1

      f56e588ebc9b1bc97eeb71003041e2aac0ed8bd1

    • SHA256

      ef1b2684cf97e3fec89fa26c24d267a8b556edf05e9b1f7612753dda965adc93

    • SHA512

      51e88604d90c94620d2f681ad47a9ea5f475862eec180a1c77dccc36c08c937d81f959b96c6a6513a261f93031cfd571d5a99e2734c8c86f03f3de9d556dc34f

    • SSDEEP

      12288:q/iSuokQiMXBLfzYjnlJE1xl444clzKbtDf4TclbwO0dJYPjfWrhrn:q/iUbVKnHEva4plzKxT4TclEO0yjM7

    Score
    8/10
    discoveryevasionpersistence

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      evasion

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Checks installed software on the system

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

      discovery

    • 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

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks