Overview

overview

10

Static

static

7

5c4142387b...0N.exe

windows7-x64

10

5c4142387b...0N.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    5c4142387b9735f58b6ae22da7cbaff0N.exe

  • Size

    91KB

  • Sample

    240905-bgrnks1cpb

  • MD5

    5c4142387b9735f58b6ae22da7cbaff0

  • SHA1

    1aa9913bbb23dfeefc4e6cdf5e740fa49cd541c5

  • SHA256

    71eee12b978cb892c30c307e8e4e84ac7e7714974e747caa0637091d105aea28

  • SHA512

    7a4e1e56bc32720341bf36343d9f1d832df8ec4fc8add7d8bc8aa2b0100945d22f0d6ef83a09c9fc506f4f21f34f8bdd2fd21cc35e9e5569e4290fa23b9d412a

  • SSDEEP

    1536:jRsjdEIUFC2p79OCnouy8VDdRsjdEIUFC2p79OCnouy8VDG:jOm9CshoutddOm9CshoutdG

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      5c4142387b9735f58b6ae22da7cbaff0N.exe

    • Size

      91KB

    • MD5

      5c4142387b9735f58b6ae22da7cbaff0

    • SHA1

      1aa9913bbb23dfeefc4e6cdf5e740fa49cd541c5

    • SHA256

      71eee12b978cb892c30c307e8e4e84ac7e7714974e747caa0637091d105aea28

    • SHA512

      7a4e1e56bc32720341bf36343d9f1d832df8ec4fc8add7d8bc8aa2b0100945d22f0d6ef83a09c9fc506f4f21f34f8bdd2fd21cc35e9e5569e4290fa23b9d412a

    • SSDEEP

      1536:jRsjdEIUFC2p79OCnouy8VDdRsjdEIUFC2p79OCnouy8VDG:jOm9CshoutddOm9CshoutdG

    Score
    10/10
    discoveryevasionpersistenceupx

    • 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 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

6
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks