General

  • Target
    UHQ Client v2.rar
  • Size 102.5MB
  • Sample260810-kcmnhadq8x
  • SHA256 140c03269ecf0343081abef5f495617e298d7291732e5b6ba9c8cc7d9d1d6861
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Attributes
  • encryption_key

    63B64D0141EF03524E63B6E1DC7B80622561D3E2

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    50

Targets

    • Target
      UHQ Client v2/UHQ-Client-v2-2.1.3.exe
    • Size 102.5MB
    • SHA256 d58289a3d859150f5f315cc5c8535f7275578913064634a0b32580c8f44d9085
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_nltk.cpython-314.pyc
    • Size 506B
    • SHA256 7eb1776671e9a4d5aca9ce8b6b80d16f4c4b4172b704b7d8a599342832717a64
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_osgeo.cpython-314.pyc
    • Size 1KB
    • SHA256 a6369ffc8f2b987c448b49d316db62826e31e990d2ade8cb3a948dcacddf5dfd
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_pygraphviz.cpython-314.pyc
    • Size 1KB
    • SHA256 46d3a25ab198a669e5760da1b460667b7e5e479c45f49fd39325b67177bc7cea
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_pyproj.cpython-314.pyc
    • Size 817B
    • SHA256 dff6c5db83534517c5d0dc36b97def1d2be1da1bef74676064ead9fb6bd37746
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_pyqtgraph_multiprocess.cpython-314.pyc
    • Size 1KB
    • SHA256 15689669dde90eec36f580b6ff332654cad2e4bfd6c0d7a2e47a99af772e1b2f
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_pythoncom.cpython-314.pyc
    • Size 642B
    • SHA256 9382c0c33f87be14774195fc8a04b0ec7299e826f6743dad7c524560a98b4ce8
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_pywintypes.cpython-314.pyc
    • Size 643B
    • SHA256 4e196931d046ceb4be08ea5821269fde6642a0b75c91a2551477d0d6867a5a1e
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_tensorflow.cpython-314.pyc
    • Size 890B
    • SHA256 c27d87b944079850fd3faf42bb67d6086463ce1cc23ec28a1d4fe13958b2e53a
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_traitlets.cpython-314.pyc
    • Size 496B
    • SHA256 a1e318368a29ed6d4f329e43f23496e987a65b9190b1bf047a01d180c946f933
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/__pycache__/pyi_rth_usb.cpython-314.pyc
    • Size 2KB
    • SHA256 4e585053050914486188c64b191fe49797f50a77df81894d6838fa1251206108
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/pyi_rth_cryptography_openssl.py
    • Size 755B
    • SHA256 8e7cc4924d4c673164f4c7f77c62af6ab822d76ec94da13641d4ab1026e20f1e
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/pyi_rth_enchant.py
    • Size 903B
    • SHA256 3eb2aaa39c0ee524528869d9517c55505b3e1d65cb507a79932f4704ef97b6da
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/runtime/Lib/site-packages/_pyinstaller_hooks_contrib/rthooks/pyi_rth_ffpyplayer.py
    • Size 879B
    • SHA256 a8a3f06021509a604a8ad2ab6d0d01153adaddb6d59865c1f10c1cc5792783a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

discoveryquasarspywaretrojan
Score
10/10

behavioral2

discoveryquasarspywaretrojan
Score
10/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

execution
Score
3/10

behavioral8

execution
Score
3/10

behavioral9

execution
Score
3/10

behavioral10

execution
Score
3/10

behavioral11

execution
Score
3/10

behavioral12

execution
Score
3/10

behavioral13

execution
Score
3/10

behavioral14

execution
Score
3/10

behavioral15

execution
Score
3/10

behavioral16

execution
Score
3/10

behavioral17

execution
Score
3/10

behavioral18

execution
Score
3/10

behavioral19

execution
Score
3/10

behavioral20

execution
Score
3/10

behavioral21

execution
Score
3/10

behavioral22

execution
Score
3/10

behavioral23

execution
Score
3/10

behavioral24

execution
Score
3/10

behavioral25

execution
Score
3/10

behavioral26

execution
Score
3/10

behavioral27

execution
Score
3/10

behavioral28

execution
Score
3/10

behavioral29

execution
Score
3/10

behavioral30

execution
Score
3/10

behavioral31

execution
Score
3/10

behavioral32

execution
Score
3/10