Overview

overview

10

Static

static

3

77b6a9f395...fe.exe

windows7-x64

10

77b6a9f395...fe.exe

windows10-2004-x64

10

Resubmissions

11/03/2024, 01:23

240311-br4qwsgh9t 10

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General

  • Target

    77b6a9f395951fc420e40cb5466ca2fe.bin

  • Size

    254KB

  • Sample

    240311-br4qwsgh9t

  • MD5

    77b6a9f395951fc420e40cb5466ca2fe

  • SHA1

    9107f87c7ab7a15ccf376a31c422c5567aabc698

  • SHA256

    7ef8ce12b7c1d1543c76f36e1ffcd9eaaad86a7acb4d37efd325b1dd69d5f11f

  • SHA512

    066450847cca9a705a4871ddf7f5bf68e8985e8624f0c656745d01bb38b4f42b05520c2caa3c0a0a01e7892492623773a1bae48a538e72961a2255fc5129d705

  • SSDEEP

    3072:2PeevCwTDF/ZnTTBdm1kHeTrVwqH6DurX5xZJU9F8d+fMMMqMMMMqMoC/MRzJk3l:XE5D/nfBdm1OAHaDse+0QCkYP

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      77b6a9f395951fc420e40cb5466ca2fe.bin

    • Size

      254KB

    • MD5

      77b6a9f395951fc420e40cb5466ca2fe

    • SHA1

      9107f87c7ab7a15ccf376a31c422c5567aabc698

    • SHA256

      7ef8ce12b7c1d1543c76f36e1ffcd9eaaad86a7acb4d37efd325b1dd69d5f11f

    • SHA512

      066450847cca9a705a4871ddf7f5bf68e8985e8624f0c656745d01bb38b4f42b05520c2caa3c0a0a01e7892492623773a1bae48a538e72961a2255fc5129d705

    • SSDEEP

      3072:2PeevCwTDF/ZnTTBdm1kHeTrVwqH6DurX5xZJU9F8d+fMMMqMMMMqMoC/MRzJk3l:XE5D/nfBdm1OAHaDse+0QCkYP

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (76) 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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

4
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