Analysis

  • max time kernel
    143s
  • max time network
    78s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-10-2024 22:00

General

  • Target

    Set-up.exe

  • Size

    6.2MB

  • MD5

    7f5345523c10e3721364da47294ad1fa

  • SHA1

    120ff3a3c2c74943abef8dd874d82334ea5f133b

  • SHA256

    9d62ae49e411b303b165911a923cabea5306619f1837790d6fc4474b689b1b10

  • SHA512

    5040e62a9fb38c5e2f45c0726c902768c33b43ad85552e3b5e5026c23f00c70c628a7db542fb9f7b8473cb044dd26dd4fa82c666eaf6726fd6b93bc52bc971d5

  • SSDEEP

    24576:NrWVBn/MBdm8UUVeyrpkplKBfc1rU2jDyLKIMOigCTeNr/OXBQgLo7dZOJjVL8Y4:pvR1AlKBfc1rnsKLFxT0rIIdZeM/4

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4476
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1164
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3836
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2308-42-0x0000000000360000-0x0000000000372000-memory.dmp

    Filesize

    72KB

  • memory/3836-27-0x0000000000360000-0x0000000000372000-memory.dmp

    Filesize

    72KB

  • memory/4404-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/4404-9-0x00000000011B0000-0x00000000017E5000-memory.dmp

    Filesize

    6.2MB

  • memory/4404-19-0x00000000011B0000-0x00000000017E5000-memory.dmp

    Filesize

    6.2MB

  • memory/4476-21-0x0000000000360000-0x0000000000372000-memory.dmp

    Filesize

    72KB

  • memory/4476-22-0x0000000074520000-0x0000000074654000-memory.dmp

    Filesize

    1.2MB