Overview

overview

10

Static

static

3

virussign....00.exe

windows7-x64

10

virussign....00.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 17:25

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General

  • Target

    virussign.com_b07a6671f8bfb6853c6a6ee4d3976d00.exe

  • Size

    4KB

  • MD5

    b07a6671f8bfb6853c6a6ee4d3976d00

  • SHA1

    e1fc693d730c1e3b3772af9c1c16e35a3afa16b7

  • SHA256

    228c13978462a72c4abe3f3b3159432c761478b855a9175f76e2ac794027340c

  • SHA512

    3e70f4432bf9f07c7af68aa9aa9e8231b52ffdae39e440707106b51a9a6f885e8519788afa4a329640e6c03f69bfebeb810fac21844ec7d941e09dbc87a09103

  • SSDEEP

    48:Zdni+Wyi18DN0nCvTaE6nc9fhXcGEY3sJd9ga91RsNIJN6nA7B8mOo4jUx7OtKGa:Z0v4mUWKh9ctgC1ReIJN6nKymV44Shy/

Score
10/10
upatredownloader

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

    downloaderupatre
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_b07a6671f8bfb6853c6a6ee4d3976d00.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_b07a6671f8bfb6853c6a6ee4d3976d00.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3528

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    4KB

    MD5

    b93ce5fc01cd99239598ab6f5cc8c448

    SHA1

    9fdc35a3b84623408670fa17b466fd9d33b3ecaf

    SHA256

    6448cc4b1e09227c44261f8fd7da4300bd1b256f646c3d9e5bed6590d0f8dd50

    SHA512

    f2915f2fdae27be5bcc374f822bd522902fda90d9cda1e293b88e7ba3f8eeb5b8abb889375c8d0e3cdad7b32c1d01a611d40d269c24b60e692e8addfb1ae9386

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