Overview

overview

10

Static

static

3

43069eba0c...bb.exe

windows7-x64

10

43069eba0c...bb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    43069eba0c142b903970040eba1dfbbf1aa7f3f7bfe2323ccb1d4bea110f93bb

  • Size

    2.0MB

  • Sample

    240319-ybtmbadc69

  • MD5

    4493d22d6ab2b8ff23f1e846ba419354

  • SHA1

    4ce87d5d33ff2417f2105c4f584bf8085ff22084

  • SHA256

    43069eba0c142b903970040eba1dfbbf1aa7f3f7bfe2323ccb1d4bea110f93bb

  • SHA512

    5e6d87860bf1ceec23fe254bad46431829b5a7257015a227644fb143bfc3034cec3d6d83f87d93720cd00b6108b48c686c7279425f06d1c07bf25fb5ec4c1ad1

  • SSDEEP

    24576:tIVpTBPeDnCiUNFvQoWN8SOPVOjqNkByZwIuN+5naYJTVoFfVcrM04ALAW4gtrHi:tIVp1EnhUNM0c+fa+5aY8felj4gd7FA

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      43069eba0c142b903970040eba1dfbbf1aa7f3f7bfe2323ccb1d4bea110f93bb

    • Size

      2.0MB

    • MD5

      4493d22d6ab2b8ff23f1e846ba419354

    • SHA1

      4ce87d5d33ff2417f2105c4f584bf8085ff22084

    • SHA256

      43069eba0c142b903970040eba1dfbbf1aa7f3f7bfe2323ccb1d4bea110f93bb

    • SHA512

      5e6d87860bf1ceec23fe254bad46431829b5a7257015a227644fb143bfc3034cec3d6d83f87d93720cd00b6108b48c686c7279425f06d1c07bf25fb5ec4c1ad1

    • SSDEEP

      24576:tIVpTBPeDnCiUNFvQoWN8SOPVOjqNkByZwIuN+5naYJTVoFfVcrM04ALAW4gtrHi:tIVp1EnhUNM0c+fa+5aY8felj4gd7FA

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (64) files with added filename extension

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

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • 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

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks