Overview

overview

10

Static

static

3

7ac7d0a848...0N.exe

windows7-x64

10

7ac7d0a848...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7ac7d0a8488d1f18acec1a7269dfae80N.exe

  • Size

    488KB

  • Sample

    240727-bymqys1ene

  • MD5

    7ac7d0a8488d1f18acec1a7269dfae80

  • SHA1

    ec32f3e25671312eb3a37d965c91a2fd1ec60dcd

  • SHA256

    68278808d38276b3ae7751c92ca02e339961cccbdbe5d618105680c9395d615a

  • SHA512

    98faa574c665fbd123dd4a6cce534b1871c8d8baab9128aa0630decd196c21ba63e043acdde48be0df1ca2bbfd9f15308f4dac387a6e3b6f7b94514f8f158035

  • SSDEEP

    12288:xCsRuyiViUJ9Ue31Jg4Fvd/1Hdi/QCornhrvSqF2W3:xCsRuDVxJ+bm/q2rnh7x2

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      7ac7d0a8488d1f18acec1a7269dfae80N.exe

    • Size

      488KB

    • MD5

      7ac7d0a8488d1f18acec1a7269dfae80

    • SHA1

      ec32f3e25671312eb3a37d965c91a2fd1ec60dcd

    • SHA256

      68278808d38276b3ae7751c92ca02e339961cccbdbe5d618105680c9395d615a

    • SHA512

      98faa574c665fbd123dd4a6cce534b1871c8d8baab9128aa0630decd196c21ba63e043acdde48be0df1ca2bbfd9f15308f4dac387a6e3b6f7b94514f8f158035

    • SSDEEP

      12288:xCsRuyiViUJ9Ue31Jg4Fvd/1Hdi/QCornhrvSqF2W3:xCsRuDVxJ+bm/q2rnh7x2

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (72) 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.

    • Deletes itself

    • 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks