Overview

overview

10

Static

static

7

a29de9d39a...0N.exe

windows7-x64

10

a29de9d39a...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a29de9d39a09ef69b764dd1364d5a9a0N.exe

  • Size

    272KB

  • Sample

    240903-rz252azbjk

  • MD5

    a29de9d39a09ef69b764dd1364d5a9a0

  • SHA1

    3ed1b3a1c516d3a3d690cfad7e13f1032cab22a7

  • SHA256

    550da70c53d553b0710ca7d405cb6d72433dbb84696844eb24b8690b6a103e66

  • SHA512

    9200bce5ec41246075e84fa8692075c65d8d20bfb12c74a09b1266e8056d0db4f3d2a3c68628d06fc89a6db2e7d8494c1dabd7e414dcb53dfc121faad89777fe

  • SSDEEP

    3072:gMBGBT753Q+RgWgMlIx1ZiXjb6aEF6D0NM9voeLNZ2j8CC2:1w753RgWg4aAXjb6aEFfooeLNZxC

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      a29de9d39a09ef69b764dd1364d5a9a0N.exe

    • Size

      272KB

    • MD5

      a29de9d39a09ef69b764dd1364d5a9a0

    • SHA1

      3ed1b3a1c516d3a3d690cfad7e13f1032cab22a7

    • SHA256

      550da70c53d553b0710ca7d405cb6d72433dbb84696844eb24b8690b6a103e66

    • SHA512

      9200bce5ec41246075e84fa8692075c65d8d20bfb12c74a09b1266e8056d0db4f3d2a3c68628d06fc89a6db2e7d8494c1dabd7e414dcb53dfc121faad89777fe

    • SSDEEP

      3072:gMBGBT753Q+RgWgMlIx1ZiXjb6aEF6D0NM9voeLNZ2j8CC2:1w753RgWg4aAXjb6aEFfooeLNZxC

    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 Task Manager via registry modification

      evasion

    • Disables cmd.exe use 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
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

1
T1547.001

Winlogon Helper DLL

2
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

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks