General

  • Target

    Internet.Download.Manager.v6.41.11.zip

  • Size

    9.1MB

  • Sample

    230407-z32yfaaf43

  • MD5

    e838f09d3401517d01de33f530676738

  • SHA1

    b49022949c626888fd042e21cb3a7319b24b3a70

  • SHA256

    6959f960cf3bf083d2e24068fc1841c81245352554d4ab53b65d826284ce2688

  • SHA512

    3a76921578eb2d38d89d891788d0524200315484b178a447b53d59a1e4ffe88c8b776a463841c3708b2ea9f5de9a928909119e8950bd8a7d8ee662d4a4a017af

  • SSDEEP

    196608:AAy6Zc5yoGe27Do1k7/P7jIibggbdaQprJtgVZ/qo4BK9O/Q8:dy3yLDr7gibggZaQ9IVVd5z8

Malware Config

Targets

    • Target

      INSTALL ENG.cmd

    • Size

      751B

    • MD5

      75accb18a47d2bf8ee2cd3cfd2a9dc6b

    • SHA1

      319273931655601a8c54956349210ca965382f5c

    • SHA256

      1bce452e7f8623bfce7d42d2ae3f7e619709f6ed4ae51f30d810a48e6323a7d0

    • SHA512

      13d547854e810a126e8abe9cbc728e7db224c62cabda743d40765fbc1af2f3b9a615b373fda045adb8c9f2a1b2e72ce488d40304a6e09027317617bd2592cd86

    • Drops file in Drivers directory

    • 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.

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

5
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks