Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 23:34

General

  • Target

    a2f36ffaaba47ded173db95da644f6d7_JaffaCakes118.exe

  • Size

    7.8MB

  • MD5

    a2f36ffaaba47ded173db95da644f6d7

  • SHA1

    b043c50ad63ec4d666c095404a17c7b9580019f2

  • SHA256

    c9927d4bbb13ca2891655d695af037ffb449eb8e2163053dacf9d59a804d3a9c

  • SHA512

    926a9851f1028081c8e39ee6559a2808e96560c0422e28d1a8ea46d3da2eafbf76535f8b19aa76e1cb90b6c3f93309587c04500516e96910cdc6daadf5669c8d

  • SSDEEP

    196608:sjIIwvgsb87DwQiiFFL4an2L/dfXaI+fVcZ1:13Stl4LL/ZaI1

Malware Config

Extracted

Family

azorult

C2

http://gidrevi4.org/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Executes dropped EXE 7 IoCs
  • Registers COM server for autorun 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 36 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 51 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2f36ffaaba47ded173db95da644f6d7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2f36ffaaba47ded173db95da644f6d7_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\cexplorer.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5232
      • C:\Users\Admin\AppData\Local\Temp\cexplorer.exe
        C:\Users\Admin\AppData\Local\Temp\cexplorer.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5576
        • C:\Users\Admin\AppData\Local\Temp\is-CVK53.tmp\cexplorer.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-CVK53.tmp\cexplorer.tmp" /SL5="$701F2,6397385,121344,C:\Users\Admin\AppData\Local\Temp\cexplorer.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:5736
          • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
            "C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe" /trialregister
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Modifies registry class
            PID:4016
          • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
            "C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe" /replaceexplorer
            5⤵
            • Executes dropped EXE
            • Registers COM server for autorun
            • Adds Run key to start application
            • Modifies registry class
            PID:2940
          • C:\Program Files (x86)\Chameleon Explorer\ChameleonFolder.exe
            "C:\Program Files (x86)\Chameleon Explorer\ChameleonFolder.exe" /update
            5⤵
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Drops file in Program Files directory
            PID:5404
          • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
            "C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe" /update
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Drops file in Program Files directory
            PID:2880
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\update.exe param1 param2
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Users\Admin\AppData\Local\Temp\update.exe
        C:\Users\Admin\AppData\Local\Temp\update.exe param1 param2
        3⤵
        • Executes dropped EXE
        PID:1472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe

    Filesize

    14.4MB

    MD5

    92a3d0847fc622b31f2d0c273a676c0e

    SHA1

    e642d694367cc98a8863d87fec82e4cf940eb48a

    SHA256

    9a9923c08d3fc5937b6ed189e20cf416482a079bc0c898c4ed75329e0ee3ae89

    SHA512

    01d13fd9a0dd52bc2e3f17af7a999682201c99ecf7218bca254a4944a483fd1dec2a3e6d59def501a024ad760b849787902ecb55bd33d23fa9651c0a7689cd1c

  • C:\Program Files (x86)\Chameleon Explorer\ChameleonFolder.exe

    Filesize

    4.4MB

    MD5

    5b0ae3fac33c08145dca4a9c272ebc34

    SHA1

    940f504d835fc254602953495320bb92456177b9

    SHA256

    137723bdd388f6e5a50b7942eff02f4cc70e6b86d8650a41f9e8956ea1e4de3b

    SHA512

    015ffc133ad3a6937222bbc057f68b60abfe22b900b5e7c4e6ca3ec7dc6b09abaf54b595f00fa9212f370da8531af1ac5fc52b39953e1f685e81c66d1ec61f8a

  • C:\Program Files (x86)\Chameleon Explorer\ExplorerHelper32.dll_new

    Filesize

    786KB

    MD5

    dd5ce4d765edd75eba6f311e6e0ea10a

    SHA1

    9ea7f6516e5ad0755b74463d427055f63ed1a664

    SHA256

    64b7f8f70a7b037d10da72eaa769078b7e4d1ac8964c5eae5515d373e816ed6d

    SHA512

    d2782310df7cc533cc9ffaf5c1903d5bc6a500c3bbe48148c1339fb5de19c835e4a8c765da1b80b3744ea231353f76f22ba4e04c78a3d950d7ee291d6eab2216

  • C:\Program Files (x86)\Chameleon Explorer\ExplorerHelper64.dll_new

    Filesize

    1.2MB

    MD5

    de5f74ef4e17b2dc8ad69a3e9b8d22c7

    SHA1

    42df8fedc56761041bce47b84bd4e68ee75448d2

    SHA256

    b89a6a57b48be10103825440d2157f2c4a56e4c6b79ad13f729429cd5393bf32

    SHA512

    515e9b498d8cd9bb03f8d9758e891d073627dfd6fb0b931650a47d6e53722aa6e1cc3caff8c0e64f4721ad2abef7a81ef4e7b49952d3c8fc325deb5bba6b3314

  • C:\Program Files (x86)\Chameleon Explorer\Folder.dll_new

    Filesize

    750KB

    MD5

    fb76f4f533203e40ce30612a47171f94

    SHA1

    304ba296c77a93ddb033d52578fcc147397db981

    SHA256

    3de05f18ffe9fda589a45ea539a464e58a30f70d59d71444b018064cf831c4a6

    SHA512

    a416a6d6efbbd69209e1867f12b9d1d11b21160f6dfe07c510b43112c22c317f805c67dd9402744a6c7e1541f6b3a061c49942fe28fa70f74aea670ba9c71995

  • C:\Program Files (x86)\Chameleon Explorer\Folder64.dll

    Filesize

    1.2MB

    MD5

    96f92c8368c1e922692f399db96da1eb

    SHA1

    1a91d68f04256ef3bc1022beb616ba65271bd914

    SHA256

    161408b86eed7c4d9a5882aa00df3f8765ed28fa4fd9aab2c9b3dceadbd527f9

    SHA512

    b3d3fb2d78fe2df864f0e07a8bc1610ee9d65251957e0495a34c1631895293590e0fca965ec9deb160f48a4e09a2feabd3bff6fb9a0c22888a941e308de39d14

  • C:\Users\Admin\AppData\Local\Temp\cexplorer.exe

    Filesize

    6.5MB

    MD5

    b2e5a8fe3ca4f0cd681b5662f972ea5f

    SHA1

    b7dbcfaee55ecbf0158431d85dabdd479ab449c7

    SHA256

    e71c48c03b8cfd37bf17e62460733a4bfe9c484e947fd9db291f65405a2ba9e8

    SHA512

    40b7140f5c182cd51cee142a2575bd70dc9bde311ad3952119fb9769b5ceeb467695aa5a66fc90520712d9a39458930efb965496d6443665b7597cfd66247aaf

  • C:\Users\Admin\AppData\Local\Temp\is-CVK53.tmp\cexplorer.tmp

    Filesize

    1.1MB

    MD5

    729bc0108bcd7ec083dfa83d7a4577f2

    SHA1

    0b4efa5e1764b4ce3e3ae601c8655c7bb854a973

    SHA256

    b1c68b1582ebb5f465512a0b834ccac095460b29136b6c7eea0475612bf16b49

    SHA512

    49c83533ce88d346651d59d855cff18190328795401c1277f4e3d32ff34f207d2c35f026785aa6c4a85624d88bf8c927654907faf50db1d57447730d9d6ac44c

  • C:\Users\Admin\AppData\Local\Temp\update.exe

    Filesize

    170KB

    MD5

    966e665be4fd295ae5dffd564002d7d0

    SHA1

    49a401c19506454fe1a1d851b27842ec8174d3c9

    SHA256

    631aee3a20fb36920fb7a3c7232aba62cd35cf6d2a546739006053b1786dcab6

    SHA512

    d52d9cb7fdafd34376d5e3b9e83b90d14046c0c3767426116eb6bc322169539149e577bdbfd1c8583d6c949cce8bc026e56792b3cb8b632b35d5ab8ec81b33aa

  • memory/1472-59-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/2880-94-0x0000000000400000-0x0000000001438000-memory.dmp

    Filesize

    16.2MB

  • memory/2940-60-0x0000000000400000-0x0000000001438000-memory.dmp

    Filesize

    16.2MB

  • memory/4016-56-0x0000000000400000-0x0000000001438000-memory.dmp

    Filesize

    16.2MB

  • memory/5404-77-0x0000000000400000-0x0000000000A39000-memory.dmp

    Filesize

    6.2MB

  • memory/5576-7-0x0000000000401000-0x0000000000412000-memory.dmp

    Filesize

    68KB

  • memory/5576-4-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5576-99-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5736-11-0x0000000000400000-0x000000000052D000-memory.dmp

    Filesize

    1.2MB

  • memory/5736-98-0x0000000000400000-0x000000000052D000-memory.dmp

    Filesize

    1.2MB