Overview

overview

9

Static

static

3

c420b5fed1...0b.exe

windows7-x64

9

c420b5fed1...0b.exe

windows10-2004-x64

9

Sharing

Copy URL
Twitter E-mail

General

  • Target

    c420b5fed14e9382d095c7857d0c8b72a36fd94796f5502e38d630a66ecb8a0b

  • Size

    146KB

  • Sample

    240419-c7r8gaee68

  • MD5

    92a59d56ed34405ff2a601fe8be5defe

  • SHA1

    b8ce958762cbd7279d0744e49826951bc7e0f095

  • SHA256

    c420b5fed14e9382d095c7857d0c8b72a36fd94796f5502e38d630a66ecb8a0b

  • SHA512

    fc6c53d97db0928a484b1cf123ca138815d71b05619b18a059adedffab7a63529dc801b90be063478522697e584d4a36e9c132e31a93e7421a9879debf06b5b8

  • SSDEEP

    1536:TRiAXaKD5UOtVoRlXAtXRr+4Jypr8CBDBow9NhzqPYRCC105gNMKhq9qNeZd:liAXaKD7IAthrdtCo6KP9CG5g6K2Zd

Score
9/10
aspackv2bootkitpersistencespywarestealer

Malware Config

Targets

    • Target

      c420b5fed14e9382d095c7857d0c8b72a36fd94796f5502e38d630a66ecb8a0b

    • Size

      146KB

    • MD5

      92a59d56ed34405ff2a601fe8be5defe

    • SHA1

      b8ce958762cbd7279d0744e49826951bc7e0f095

    • SHA256

      c420b5fed14e9382d095c7857d0c8b72a36fd94796f5502e38d630a66ecb8a0b

    • SHA512

      fc6c53d97db0928a484b1cf123ca138815d71b05619b18a059adedffab7a63529dc801b90be063478522697e584d4a36e9c132e31a93e7421a9879debf06b5b8

    • SSDEEP

      1536:TRiAXaKD5UOtVoRlXAtXRr+4Jypr8CBDBow9NhzqPYRCC105gNMKhq9qNeZd:liAXaKD7IAthrdtCo6KP9CG5g6K2Zd

    Score
    9/10
    aspackv2bootkitpersistencespywarestealer

    • Detects executables containing base64 encoded User Agent

    • Blocklisted process makes network request

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks