Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-01-2023 19:01

General

  • Target

    c90720ba16d8752a433b595db49c4a16.exe

  • Size

    4.9MB

  • MD5

    c90720ba16d8752a433b595db49c4a16

  • SHA1

    e572a7a807af058e07c25e8308604269b225b91f

  • SHA256

    053e095aadd84662c18caec141b4dca4f26ad9ac28ba9e82db02ea1aef9eb9b3

  • SHA512

    210c199ac603bf4afc49b3699c57396fda522b22f879c935b35879b0ba62963fbce2e4438b7261f85eed9264fce019257b89b247367dec20f1a7bcbc326f6f31

  • SSDEEP

    98304:Ehm4e6R6usY3PbiSKkillX1+GyVD489AZVGh4b9nwE+kmW2MEN7sjqK:EZe6R6us1SKkillX1+x4pVGh4buFkmR0

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\c90720ba16d8752a433b595db49c4a16.exe
    "C:\Users\Admin\AppData\Local\Temp\c90720ba16d8752a433b595db49c4a16.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1972

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/1972-54-0x0000000075981000-0x0000000075983000-memory.dmp
    Filesize

    8KB

  • memory/1972-55-0x0000000000DF0000-0x0000000001787000-memory.dmp
    Filesize

    9.6MB

  • memory/1972-58-0x0000000000DF0000-0x0000000001787000-memory.dmp
    Filesize

    9.6MB

  • memory/1972-59-0x0000000000DF0000-0x0000000001787000-memory.dmp
    Filesize

    9.6MB