Analysis

  • max time kernel
    113s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2023 04:51

General

  • Target

    ????? ? ????????????.exe

  • Size

    210KB

  • MD5

    44f93a3a8cbf50b938bcd2160bd6b5e0

  • SHA1

    1634e24dcb9076e2e142fb038271e05a5faeb892

  • SHA256

    aa6bc3a934eb8fa7b55e75559192213c4a53c0039c231f60787ba82e48219e6d

  • SHA512

    fe41423d56756a113dc1b827581be0630fcc3319e6a450215523cf230bdecd3223c376e8ee6fc1657f132594557c1f94cc96cc044fc83cf5ef5ccf222e9db5f3

  • SSDEEP

    6144:wYa60BsKVEoNidfG9wGJ86Skd4JxfPup4oWPSA:wY1KG96iTeNW6A

Malware Config

Extracted

Family

azorult

C2

http://85.31.45.29/myoffice/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 5 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
  • 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). Likely ransomware behaviour.

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\_____ _ ____________.exe
    "C:\Users\Admin\AppData\Local\Temp\_____ _ ____________.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
      "C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe" C:\Users\Admin\AppData\Local\Temp\frlcoyw.h
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
        "C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe"
        3⤵
        • Executes dropped EXE
        PID:1504
      • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
        "C:\Users\Admin\AppData\Local\Temp\idbmwdp.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:2004
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "idbmwdp.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3692
          • C:\Windows\SysWOW64\timeout.exe
            C:\Windows\system32\timeout.exe 3
            5⤵
            • Delays execution with timeout.exe
            PID:1508
      • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
        "C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe"
        3⤵
        • Executes dropped EXE
        PID:3584
      • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
        "C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe"
        3⤵
        • Executes dropped EXE
        PID:2144

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\75B26A6E\mozglue.dll
    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\75B26A6E\msvcp140.dll
    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\75B26A6E\nss3.dll
    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • C:\Users\Admin\AppData\Local\Temp\75B26A6E\vcruntime140.dll
    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\frlcoyw.h
    Filesize

    5KB

    MD5

    a994391c6c73c7c0d02bc03acdb7a66a

    SHA1

    2c3f9eac8efd34efad16c65170f34148259cb1b8

    SHA256

    875b40f30ce637edbbc65bbf2b15e006e2b7898d06a7933ce778d96bf3017150

    SHA512

    d34d396c8245dfe1d05e741f248e13636c7f01e7eacd5f4c978cdfc5f90f1d163f68839b6403e63d08ffae97b7b9976d8ec988b306c0e51d7f441a7e5576bbcb

  • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
    Filesize

    60KB

    MD5

    611fc5451555035df11df926b72d337e

    SHA1

    e073db6e8088228f655c329b71ccf0a913556d25

    SHA256

    a71e52e50140ba2639a1d1c72cf0df821673652a5e1c10b8639b85327f681b01

    SHA512

    4b9dd027f4353a63e1e2cfec9da89ddddab266539903c27ec53eb47aa4c4ec6b325c40b8f97eb469073351d59714d8ccb1e1aff496915fe605719aa49f23c44d

  • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
    Filesize

    60KB

    MD5

    611fc5451555035df11df926b72d337e

    SHA1

    e073db6e8088228f655c329b71ccf0a913556d25

    SHA256

    a71e52e50140ba2639a1d1c72cf0df821673652a5e1c10b8639b85327f681b01

    SHA512

    4b9dd027f4353a63e1e2cfec9da89ddddab266539903c27ec53eb47aa4c4ec6b325c40b8f97eb469073351d59714d8ccb1e1aff496915fe605719aa49f23c44d

  • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
    Filesize

    60KB

    MD5

    611fc5451555035df11df926b72d337e

    SHA1

    e073db6e8088228f655c329b71ccf0a913556d25

    SHA256

    a71e52e50140ba2639a1d1c72cf0df821673652a5e1c10b8639b85327f681b01

    SHA512

    4b9dd027f4353a63e1e2cfec9da89ddddab266539903c27ec53eb47aa4c4ec6b325c40b8f97eb469073351d59714d8ccb1e1aff496915fe605719aa49f23c44d

  • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
    Filesize

    60KB

    MD5

    611fc5451555035df11df926b72d337e

    SHA1

    e073db6e8088228f655c329b71ccf0a913556d25

    SHA256

    a71e52e50140ba2639a1d1c72cf0df821673652a5e1c10b8639b85327f681b01

    SHA512

    4b9dd027f4353a63e1e2cfec9da89ddddab266539903c27ec53eb47aa4c4ec6b325c40b8f97eb469073351d59714d8ccb1e1aff496915fe605719aa49f23c44d

  • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
    Filesize

    60KB

    MD5

    611fc5451555035df11df926b72d337e

    SHA1

    e073db6e8088228f655c329b71ccf0a913556d25

    SHA256

    a71e52e50140ba2639a1d1c72cf0df821673652a5e1c10b8639b85327f681b01

    SHA512

    4b9dd027f4353a63e1e2cfec9da89ddddab266539903c27ec53eb47aa4c4ec6b325c40b8f97eb469073351d59714d8ccb1e1aff496915fe605719aa49f23c44d

  • C:\Users\Admin\AppData\Local\Temp\idbmwdp.exe
    Filesize

    60KB

    MD5

    611fc5451555035df11df926b72d337e

    SHA1

    e073db6e8088228f655c329b71ccf0a913556d25

    SHA256

    a71e52e50140ba2639a1d1c72cf0df821673652a5e1c10b8639b85327f681b01

    SHA512

    4b9dd027f4353a63e1e2cfec9da89ddddab266539903c27ec53eb47aa4c4ec6b325c40b8f97eb469073351d59714d8ccb1e1aff496915fe605719aa49f23c44d

  • C:\Users\Admin\AppData\Local\Temp\qwdixok.kke
    Filesize

    132KB

    MD5

    c89457c090712028a7af46464c8875c3

    SHA1

    75e36458f92dbfea87373dc576d5ef12ff41eec6

    SHA256

    cf18691e8dc25fc8cceff301fb1e5bdb8a71388595e11d89de0d632f064c4b23

    SHA512

    c0bda029f03667f3ae1210d0adb7ef2fbd94eb6474d76ab7d16790922d74dc2cc82a1761accdc558c7e1289550765f6be98c2bc874873f91ad2ab33a3823e1cc

  • memory/2004-148-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2004-150-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2004-145-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2004-258-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB