Overview

overview

10

Static

static

10

7C7DCE6E70...A7.exe

windows7-x64

10

7C7DCE6E70...A7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2023 16:46

Sharing

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General

  • Target

    7C7DCE6E70752136091A003AF64E199CA226B65136EA7.exe

  • Size

    3.1MB

  • MD5

    5106cc8b676f99d94f020c3416c4419e

  • SHA1

    1f232fc810f3430cbd582b15c3624f7719d25f78

  • SHA256

    7c7dce6e70752136091a003af64e199ca226b65136ea7403fee158f5458e07f4

  • SHA512

    05a4893909d78a2d78ff4ba00827d73417f328e6fa7691a05dafb2d79433bc17a4e5d399174da02fdda9d3ef406c8c3d8fb28e8d4d9efa669be70912a957a6d8

  • SSDEEP

    49152:z0an44t3co4c+ZgE09xV0QYHyv6NWPHHB72eh2NT:z0A44t3co43gE09x2U

Score
10/10
quasarbotspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

bot

C2

67.191.63.138:4781

Mutex

5e71212f-3f9b-4da2-b7e1-c0a0e90d92f3

Attributes
  • encryption_key

    69F476AEBC36CDCB235187230CF3F99552BD1703

  • install_name

    tasker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    tasker

  • subdirectory

    Tasks

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7C7DCE6E70752136091A003AF64E199CA226B65136EA7.exe
    "C:\Users\Admin\AppData\Local\Temp\7C7DCE6E70752136091A003AF64E199CA226B65136EA7.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Roaming\Tasks\tasker.exe
      "C:\Users\Admin\AppData\Roaming\Tasks\tasker.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1360

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Tasks\tasker.exe
    Filesize

    3.1MB

    MD5

    5106cc8b676f99d94f020c3416c4419e

    SHA1

    1f232fc810f3430cbd582b15c3624f7719d25f78

    SHA256

    7c7dce6e70752136091a003af64e199ca226b65136ea7403fee158f5458e07f4

    SHA512

    05a4893909d78a2d78ff4ba00827d73417f328e6fa7691a05dafb2d79433bc17a4e5d399174da02fdda9d3ef406c8c3d8fb28e8d4d9efa669be70912a957a6d8

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Tasks\tasker.exe
    Filesize

    3.1MB

    MD5

    5106cc8b676f99d94f020c3416c4419e

    SHA1

    1f232fc810f3430cbd582b15c3624f7719d25f78

    SHA256

    7c7dce6e70752136091a003af64e199ca226b65136ea7403fee158f5458e07f4

    SHA512

    05a4893909d78a2d78ff4ba00827d73417f328e6fa7691a05dafb2d79433bc17a4e5d399174da02fdda9d3ef406c8c3d8fb28e8d4d9efa669be70912a957a6d8

    Download Submit
  • memory/1360-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1360-59-0x0000000001010000-0x0000000001332000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/1996-54-0x0000000001270000-0x0000000001592000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/1996-55-0x000007FEFB741000-0x000007FEFB743000-memory.dmp
    Filesize

    8KB

    Download