Overview

overview

10

Static

static

7

25f824fe38...JC.exe

windows7-x64

25f824fe38...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    25f824fe38ba1b19cb4da632265dbbf5_JC.exe

  • Size

    45KB

  • Sample

    230917-t7t6hadh64

  • MD5

    25f824fe38ba1b19cb4da632265dbbf5

  • SHA1

    5b93bb95f2c01f68cad18204e23ed2984eb51059

  • SHA256

    f0ce315dd4d16558a2b09b5789000de4941ce91f57ba3b37c26e5201eeb11039

  • SHA512

    55e11d80028a70a8ab10d1badce88d5975795d46c5f486752b7cabf72ef3a80a0645dff617e1c5603a9fb7bf68ce3a1f7662bc1f9ed4c08de916faabad81a4d0

  • SSDEEP

    768:kSxam3Usjr3RT594UPS8GGCMDDxW738HbFtnbcuyD7UVOQI5no6:kRsjd3GR2Dxy387Lnouy8VT6

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      25f824fe38ba1b19cb4da632265dbbf5_JC.exe

    • Size

      45KB

    • MD5

      25f824fe38ba1b19cb4da632265dbbf5

    • SHA1

      5b93bb95f2c01f68cad18204e23ed2984eb51059

    • SHA256

      f0ce315dd4d16558a2b09b5789000de4941ce91f57ba3b37c26e5201eeb11039

    • SHA512

      55e11d80028a70a8ab10d1badce88d5975795d46c5f486752b7cabf72ef3a80a0645dff617e1c5603a9fb7bf68ce3a1f7662bc1f9ed4c08de916faabad81a4d0

    • SSDEEP

      768:kSxam3Usjr3RT594UPS8GGCMDDxW738HbFtnbcuyD7UVOQI5no6:kRsjd3GR2Dxy387Lnouy8VT6

    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 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 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

6
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