Overview

overview

9

Static

static

5

Login Tool...��.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    Login Tool（UI英文版）.exe
  • Size 358KB
  • Sample260509-c3fc4sdv2j
  • SHA256 18894c38e8d66ae531047e36129527f3873285c42aa743206c53b934a4b35961
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoverypersistenceprivilege_escalationransomwarespywaretrojanupx

Malware Config

Targets

    • Target
      Login Tool（UI英文版）.exe
    • Size 358KB
    • SHA256 18894c38e8d66ae531047e36129527f3873285c42aa743206c53b934a4b35961
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoverypersistenceprivilege_escalationransomwarespywaretrojanupx

    • Renames multiple (6114) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Modify Registry

2
T1112

Subvert Trust Controls

3
T1553

Install Root Certificate

2
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks