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
    03-02-2023 21:46

General

  • Target

    39C748040F01C934C73C23F4612CB33A0846219D8DD7B.exe

  • Size

    5.0MB

  • MD5

    4f460f61a71327c6b22bf71394e3beb0

  • SHA1

    9a0e334e45421834734c4a226941cf410f5b7340

  • SHA256

    39c748040f01c934c73c23f4612cb33a0846219d8dd7ba3e0adbbc9d047027e4

  • SHA512

    a02a41cf3550191b2298a7c718a025032496103b52e21566d50c54cc3f45aabcc1649908b4b9f71ca862bd7151ba19032a9fbe6510579b67e528193342b154b2

  • SSDEEP

    98304:r2hN+VqOJSrzvSgur5lLSlLduBp9OGmzogX3tefN+tJGrLPSYU9U42TjczbqTI:6hoVqO4nm59iun9z2te0qHaYU9U46jeL

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.

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39C748040F01C934C73C23F4612CB33A0846219D8DD7B.exe
    "C:\Users\Admin\AppData\Local\Temp\39C748040F01C934C73C23F4612CB33A0846219D8DD7B.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2008

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/2008-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
    Filesize

    8KB

  • memory/2008-55-0x0000000001150000-0x0000000001C0B000-memory.dmp
    Filesize

    10.7MB