Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2023, 14:06

General

  • Target

    FA010711pdf.exe

  • Size

    388KB

  • MD5

    2cff60ccfe9bf21d3f98f749a278ac62

  • SHA1

    e1e72717b047f2a9e08f208aa85f485c2115c89b

  • SHA256

    72465f74a5ef3b19cb51be862a02003bc406517bca79d5e4457223f95ee044b7

  • SHA512

    3db72f01e8e7a5a222c63c03bb14b9dd1baafbcde3dc24b03f7e4c631c4b14939df8172541d11e8e293be15cc314e87aaabc6c862790f7357f3a03930d79647f

  • SSDEEP

    6144:yYa6lMX3IjdMIQ5VcgYydjYku7NhM9bYqkazC:yYzPJMIQ5Vzm7zMtbzC

Malware Config

Extracted

Family

azorult

C2

http://46.183.220.70/bag/Panel/index.php

Signatures

  • Azorult

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FA010711pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FA010711pdf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe
      "C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe
        "C:\Users\Admin\AppData\Local\Temp\wnvqhwx.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:1356
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "wnvqhwx.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4748
          • C:\Windows\SysWOW64\timeout.exe
            C:\Windows\system32\timeout.exe 3
            5⤵
            • Delays execution with timeout.exe
            PID:4956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2fda\mozglue.dll

    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\2fda\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\2fda\nss3.dll

    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • C:\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\oflyqnxj.mww

    Filesize

    132KB

    MD5

    c8ca0d52e4a2ff412cb67bcf9de73bad

    SHA1

    b9f0253197087dfee37b2f8ff69bd793cdbe19da

    SHA256

    3f88a6738ad2e93942043d87fed1d72c4b7279fe40508f19a7df25bcf628e7db

    SHA512

    b3b50062a2fb741c24218fe167b7c1ffbf6ea3729b909aeca7d25987f21baa3ec6bf179029bb7ba1ebd0a1af19d66e21976aee2d5b7e1abb4177236159e3593e

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

    Filesize

    165KB

    MD5

    756c50b6fb4ef9ed3a9aabaae2ef9ea1

    SHA1

    e8e9b199c81d6e1e104b4a023970c904fb01a68a

    SHA256

    daf2ab042ff533f2053f03abbaf2a6461490a4048979ae131b8a9716bf51e142

    SHA512

    4e41261ab70958fc0dc6f5a02e2fed2e47f8940a04362b09bb58f653a1b8818dfb29bb6bb3f69f6c59d7f940eb613b78a082268ec9973a39a77a2b845529e898

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

    Filesize

    165KB

    MD5

    756c50b6fb4ef9ed3a9aabaae2ef9ea1

    SHA1

    e8e9b199c81d6e1e104b4a023970c904fb01a68a

    SHA256

    daf2ab042ff533f2053f03abbaf2a6461490a4048979ae131b8a9716bf51e142

    SHA512

    4e41261ab70958fc0dc6f5a02e2fed2e47f8940a04362b09bb58f653a1b8818dfb29bb6bb3f69f6c59d7f940eb613b78a082268ec9973a39a77a2b845529e898

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

    Filesize

    165KB

    MD5

    756c50b6fb4ef9ed3a9aabaae2ef9ea1

    SHA1

    e8e9b199c81d6e1e104b4a023970c904fb01a68a

    SHA256

    daf2ab042ff533f2053f03abbaf2a6461490a4048979ae131b8a9716bf51e142

    SHA512

    4e41261ab70958fc0dc6f5a02e2fed2e47f8940a04362b09bb58f653a1b8818dfb29bb6bb3f69f6c59d7f940eb613b78a082268ec9973a39a77a2b845529e898

  • memory/1356-10-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1356-11-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1356-7-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1356-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2956-5-0x0000000000710000-0x0000000000712000-memory.dmp

    Filesize

    8KB