Overview

overview

10

Static

static

3

a8759b39ce...55.exe

windows7-x64

10

a8759b39ce...55.exe

windows10-2004-x64

10

Resubmissions

10-01-2024 13:21

240110-qlvy5ahag4 10

10-01-2024 12:17

240110-pf835afbdr 10

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General

  • Target

    a8759b39cecf17631e9d4952aecd32ce233e01d08841178e7ef81f3afdd8e455

  • Size

    3.2MB

  • Sample

    240110-pf835afbdr

  • MD5

    6d44f8f3c1608e5958b40f9c6d7b6718

  • SHA1

    9203ad3b6ffb7732591ef560965566555bce9d82

  • SHA256

    a8759b39cecf17631e9d4952aecd32ce233e01d08841178e7ef81f3afdd8e455

  • SHA512

    656eb44b563705e1045b6a881b4f8a462ecf3bb8b2421cb18dfa21421629f7af92fe4b72736edfe3fea2ea13bef84f5faab5a78b8ef2b4f656a9055d0c4a22bd

  • SSDEEP

    98304:wgwRevguPPFpugyxQkvA51nFbk+kUwWlGroD+1f:wgtv7ov5vqbk++AGkD+1f

Score
10/10
mimicevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      a8759b39cecf17631e9d4952aecd32ce233e01d08841178e7ef81f3afdd8e455

    • Size

      3.2MB

    • MD5

      6d44f8f3c1608e5958b40f9c6d7b6718

    • SHA1

      9203ad3b6ffb7732591ef560965566555bce9d82

    • SHA256

      a8759b39cecf17631e9d4952aecd32ce233e01d08841178e7ef81f3afdd8e455

    • SHA512

      656eb44b563705e1045b6a881b4f8a462ecf3bb8b2421cb18dfa21421629f7af92fe4b72736edfe3fea2ea13bef84f5faab5a78b8ef2b4f656a9055d0c4a22bd

    • SSDEEP

      98304:wgwRevguPPFpugyxQkvA51nFbk+kUwWlGroD+1f:wgtv7ov5vqbk++AGkD+1f

    Score
    10/10
    mimicevasionpersistenceransomwarespywarestealertrojan

    • Detects Mimic ransomware

    • Mimic

      Ransomware family was first exploited in the wild in 2022.

      ransomwaremimic

    • Modifies security service

      evasion

    • UAC bypass

      evasiontrojan

    • Clears Windows event logs

      evasionransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (6297) files with added filename extension

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

      ransomware

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Sets file execution options in registry

      persistence

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

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

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Indicator Removal

2
T1070

File Deletion

1
T1070.004

Modify Registry

7
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks