General

  • Target

    AltiumWare.exe

  • Size

    62KB

  • Sample

    230609-wzcycsch87

  • MD5

    1b86683ebd369bc586d28a2daf80c079

  • SHA1

    4d1f3b39d8d167b8acc6d5062e4412428625b037

  • SHA256

    ceba60f00ec9b0f5ebbd3cdddec92f1786fb8452500b0e638d89fdf58b42043e

  • SHA512

    67ea72d1c6768a42c21523449ee166595defb25ee51cc67541928efb649b37f861ed2cc743f9b6f819ba4c16a5ac87810703c7c80fe04e6b1e76f8ee7ff758fe

  • SSDEEP

    1536:A9O/WhPWyAD6DyGsZCwGaveWAbd3DJilUrIiv4:A9RXAOaZUA4bd3DJi

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://pastebin.com/raw/ptzF3i2f

Targets

    • Target

      AltiumWare.exe

    • Size

      62KB

    • MD5

      1b86683ebd369bc586d28a2daf80c079

    • SHA1

      4d1f3b39d8d167b8acc6d5062e4412428625b037

    • SHA256

      ceba60f00ec9b0f5ebbd3cdddec92f1786fb8452500b0e638d89fdf58b42043e

    • SHA512

      67ea72d1c6768a42c21523449ee166595defb25ee51cc67541928efb649b37f861ed2cc743f9b6f819ba4c16a5ac87810703c7c80fe04e6b1e76f8ee7ff758fe

    • SSDEEP

      1536:A9O/WhPWyAD6DyGsZCwGaveWAbd3DJilUrIiv4:A9RXAOaZUA4bd3DJi

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks