Analysis

  • max time kernel
    23s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-es
  • resource tags

    arch:x64arch:x86image:win7-20221111-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    28-01-2023 10:18

General

  • Target

    Install.exe

  • Size

    729.6MB

  • MD5

    121e7ee3548a56d024e824513b08ac81

  • SHA1

    7055b9de7eed8576f8724f0992db7a62a8cf4e8b

  • SHA256

    98eee2c36e487ee7f54a2bb8ff857555058d66e585438b09322160f0ec11c794

  • SHA512

    c2e9f5fdf986b48a34c8e88088048480ca532c10adca3ec73630cfeaea837e30b26b1e0a487cea880bbd154141cbcd124d77b8565e64546f38920f775661f58e

  • SSDEEP

    98304:HzmwKsChzp3/ymrfiyxvOKfTSQIytdNLyTmKEK6xkpqynNJMBsVCn7Y:CwKsozBbyKOQIyzxqIynNJisVq7Y

Malware Config

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1664-54-0x00000000756D1000-0x00000000756D3000-memory.dmp
    Filesize

    8KB

  • memory/1664-55-0x0000000000A70000-0x0000000001404000-memory.dmp
    Filesize

    9.6MB

  • memory/1664-58-0x0000000000A70000-0x0000000001404000-memory.dmp
    Filesize

    9.6MB

  • memory/1664-59-0x0000000000A70000-0x0000000001404000-memory.dmp
    Filesize

    9.6MB