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Overview

overview

10

Static

static

3

2d599a3d6c...e1.exe

windows7-x64

10

2d599a3d6c...e1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2d599a3d6c0d8d45802f7fb6de2500422cc9d9272ee976f590f5c575fc9c46e1

  • Size

    320KB

  • Sample

    240629-yhkb8avarb

  • MD5

    bca6144a6b4042fa542cc789b02423b3

  • SHA1

    bc0d9ee6ee0244b86466b4f1c0511c06386a3bb3

  • SHA256

    2d599a3d6c0d8d45802f7fb6de2500422cc9d9272ee976f590f5c575fc9c46e1

  • SHA512

    780e14bef0e47a3cfe8561e26268ffa0b4b34beb472f9c606160ac60ebe9f093832df0f1f194ba34a3afefefea44abb55f003e5066174342bd822ee1407003af

  • SSDEEP

    6144:heHwXUU5EYCTvaBjRjWrLJKuKnGML5NjcxFSH:hyMUusvalgg5NjaFSH

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      2d599a3d6c0d8d45802f7fb6de2500422cc9d9272ee976f590f5c575fc9c46e1

    • Size

      320KB

    • MD5

      bca6144a6b4042fa542cc789b02423b3

    • SHA1

      bc0d9ee6ee0244b86466b4f1c0511c06386a3bb3

    • SHA256

      2d599a3d6c0d8d45802f7fb6de2500422cc9d9272ee976f590f5c575fc9c46e1

    • SHA512

      780e14bef0e47a3cfe8561e26268ffa0b4b34beb472f9c606160ac60ebe9f093832df0f1f194ba34a3afefefea44abb55f003e5066174342bd822ee1407003af

    • SSDEEP

      6144:heHwXUU5EYCTvaBjRjWrLJKuKnGML5NjcxFSH:hyMUusvalgg5NjaFSH

    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

    • Event Triggered Execution: Image File Execution Options Injection

      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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

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

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

5
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