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Overview

overview

10

Static

static

7

a820b6e662...0N.exe

windows7-x64

10

a820b6e662...0N.exe

windows10-2004-x64

10

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General

  • Target

    a820b6e6627b7b71708ea1ac5897a090N.exe

  • Size

    91KB

  • Sample

    240817-m3t7dasand

  • MD5

    a820b6e6627b7b71708ea1ac5897a090

  • SHA1

    75eaef27c3836631848002fe2f9312aa81641e16

  • SHA256

    1ce962e3fb3c3b97e06c857a5067bc12fad67199ff549a6a3a7bc6124942ece4

  • SHA512

    c6973572c00b14d524a59204e9edadec5583c16f1baa9901c1be76dc90acedeeb73b15fe7f06833eac0515f52ff7be6a0e53f6cf0078b439ce140e09c8c52266

  • SSDEEP

    1536:XRsjdLaslqdBXvTUL0Hnouy8Vj2RsjdLaslqdBXvTUL0Hnouy8Vje:XOJKqsout92OJKqsout9e

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      a820b6e6627b7b71708ea1ac5897a090N.exe

    • Size

      91KB

    • MD5

      a820b6e6627b7b71708ea1ac5897a090

    • SHA1

      75eaef27c3836631848002fe2f9312aa81641e16

    • SHA256

      1ce962e3fb3c3b97e06c857a5067bc12fad67199ff549a6a3a7bc6124942ece4

    • SHA512

      c6973572c00b14d524a59204e9edadec5583c16f1baa9901c1be76dc90acedeeb73b15fe7f06833eac0515f52ff7be6a0e53f6cf0078b439ce140e09c8c52266

    • SSDEEP

      1536:XRsjdLaslqdBXvTUL0Hnouy8Vj2RsjdLaslqdBXvTUL0Hnouy8Vje:XOJKqsout92OJKqsout9e

    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