Overview

overview

8

Static

static

Attachment.js

windows7-x64

8

Attachment.js

windows10-2004-x64

8

Sharing

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General

  • Target

    Attachment.js

  • Size

    9KB

  • Sample

    230125-l2lceahc9t

  • MD5

    0d7aac781fcb032d7e6261638b17318a

  • SHA1

    cec8bda522ab70b14410759ffa12e69e00a892c3

  • SHA256

    0250ebf092c4efff85ec3996a9011d37d091de867cce42d174c5c2a6c61a4d12

  • SHA512

    a3813a1a337c4f8390c0b3cdb9134830ce444975322099115e8cfe4e7c6b567488d39e31922ffe02417c0263fd51c38953c84fa5be4f5a83da833bb060b5fbcf

  • SSDEEP

    192:JDohqMizzyhd9jRpUT7BUPsqzr/8qzrYihEvWXJtjB034BeRISx5RxV1ctOsqBt+:Jsliyhr1/aeX/jB034BeR7cIsWtY0lRI

Score
8/10
spywarestealer

Malware Config

Targets

    • Target

      Attachment.js

    • Size

      9KB

    • MD5

      0d7aac781fcb032d7e6261638b17318a

    • SHA1

      cec8bda522ab70b14410759ffa12e69e00a892c3

    • SHA256

      0250ebf092c4efff85ec3996a9011d37d091de867cce42d174c5c2a6c61a4d12

    • SHA512

      a3813a1a337c4f8390c0b3cdb9134830ce444975322099115e8cfe4e7c6b567488d39e31922ffe02417c0263fd51c38953c84fa5be4f5a83da833bb060b5fbcf

    • SSDEEP

      192:JDohqMizzyhd9jRpUT7BUPsqzr/8qzrYihEvWXJtjB034BeRISx5RxV1ctOsqBt+:Jsliyhr1/aeX/jB034BeR7cIsWtY0lRI

    Score
    8/10
    spywarestealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks