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Overview

overview

10

Static

static

3

3385b5b2db...36.exe

windows7-x64

10

3385b5b2db...36.exe

windows10-2004-x64

10

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General

  • Target

    3385b5b2dbf291f71799fecb76f6562d01e99422deb29730b47710d1b22e0536.exe

  • Size

    91KB

  • Sample

    240522-qrr5esdb55

  • MD5

    1c316eeba686981d72258f5599b94010

  • SHA1

    8c62688b26497196b0ff9dcefc63e1395d2118ed

  • SHA256

    3385b5b2dbf291f71799fecb76f6562d01e99422deb29730b47710d1b22e0536

  • SHA512

    1faa3721321898efe484109431a60d9b32bd28a9cbe92851872d0ce4b56dad0a44fdb067153700e1e0b9addf32bbeca220993c6e2a85763ff9b1922828116fe5

  • SSDEEP

    1536:8AwEmBj3EXHn4x+9aK0QAwEmBj3EXHn4x+9aBm:8GmF3onW+MK0QGmF3onW+MBm

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      3385b5b2dbf291f71799fecb76f6562d01e99422deb29730b47710d1b22e0536.exe

    • Size

      91KB

    • MD5

      1c316eeba686981d72258f5599b94010

    • SHA1

      8c62688b26497196b0ff9dcefc63e1395d2118ed

    • SHA256

      3385b5b2dbf291f71799fecb76f6562d01e99422deb29730b47710d1b22e0536

    • SHA512

      1faa3721321898efe484109431a60d9b32bd28a9cbe92851872d0ce4b56dad0a44fdb067153700e1e0b9addf32bbeca220993c6e2a85763ff9b1922828116fe5

    • SSDEEP

      1536:8AwEmBj3EXHn4x+9aK0QAwEmBj3EXHn4x+9aBm:8GmF3onW+MK0QGmF3onW+MBm

    Score
    10/10
    evasionpersistence

    • 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

    • 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