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Overview

overview

10

Static

static

3

39a724fe21...be.exe

windows7-x64

10

39a724fe21...be.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    39a724fe218d31c5eff3d0bd957afbbad541ef09ba6ab6a2cd165f749c2b1dbe

  • Size

    302KB

  • Sample

    240328-xw3v2sea8y

  • MD5

    2b3b6074ec5c2ad094af41b6faaa9d3d

  • SHA1

    762314f063e3639bb9ceb98e3ce27af65e4d0db0

  • SHA256

    39a724fe218d31c5eff3d0bd957afbbad541ef09ba6ab6a2cd165f749c2b1dbe

  • SHA512

    f74a282a71d4f60e20c6c9f23a32fe5ecd56287f977d6fa925609f7b374ed1c0e3a969088dfc8dca09123782a0b722552c908f5a463e1f8a7f79c1adc6ef01c8

  • SSDEEP

    6144:PeHwXUU5EYCTvaBjRjWrLJKuKnGML5NjcxP:PyMUusvalgg5NjaP

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      39a724fe218d31c5eff3d0bd957afbbad541ef09ba6ab6a2cd165f749c2b1dbe

    • Size

      302KB

    • MD5

      2b3b6074ec5c2ad094af41b6faaa9d3d

    • SHA1

      762314f063e3639bb9ceb98e3ce27af65e4d0db0

    • SHA256

      39a724fe218d31c5eff3d0bd957afbbad541ef09ba6ab6a2cd165f749c2b1dbe

    • SHA512

      f74a282a71d4f60e20c6c9f23a32fe5ecd56287f977d6fa925609f7b374ed1c0e3a969088dfc8dca09123782a0b722552c908f5a463e1f8a7f79c1adc6ef01c8

    • SSDEEP

      6144:PeHwXUU5EYCTvaBjRjWrLJKuKnGML5NjcxP:PyMUusvalgg5NjaP

    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

    • 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

    • 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