Overview

overview

10

Static

static

3

77d8924e9c...60.exe

windows7-x64

10

77d8924e9c...60.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    77d8924e9c8ea62a75bfb95218703760.exe

  • Size

    472KB

  • Sample

    231127-xva4mscc62

  • MD5

    77d8924e9c8ea62a75bfb95218703760

  • SHA1

    cc7d083564b86433af52b92a7114da24bf1d5ca8

  • SHA256

    139cafabaf0bf3d30f1bc4b2d1bef10e453b54b8ee3b8274d4d86adc04fa99df

  • SHA512

    8c0eb852fd31670f6abfc1c324258702e9a079c5a1abc875509afd9e4a117143b83b16c93b087ea8935f318888af8b98c99d5c9d118e9751dce673d76335e5dc

  • SSDEEP

    6144:UY+32WWluqvHpVmXWEjFJRWci+WUd20rUU5EYCTvaBju4zk9OW:/nWwvHpVmXpjJIUd2cUusvalxzk9OW

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      77d8924e9c8ea62a75bfb95218703760.exe

    • Size

      472KB

    • MD5

      77d8924e9c8ea62a75bfb95218703760

    • SHA1

      cc7d083564b86433af52b92a7114da24bf1d5ca8

    • SHA256

      139cafabaf0bf3d30f1bc4b2d1bef10e453b54b8ee3b8274d4d86adc04fa99df

    • SHA512

      8c0eb852fd31670f6abfc1c324258702e9a079c5a1abc875509afd9e4a117143b83b16c93b087ea8935f318888af8b98c99d5c9d118e9751dce673d76335e5dc

    • SSDEEP

      6144:UY+32WWluqvHpVmXWEjFJRWci+WUd20rUU5EYCTvaBju4zk9OW:/nWwvHpVmXpjJIUd2cUusvalxzk9OW

    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 use of System Restore points

      evasion

    • Sets file execution options in registry

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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

    • 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

3
T1547

Registry Run Keys / Startup Folder

2
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

3
T1547

Registry Run Keys / Startup Folder

2
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

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks