Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2023 05:52

General

  • Target

    Stub.exe

  • Size

    3.8MB

  • MD5

    7fb55e012a36060896cfa1c93c2051b2

  • SHA1

    31106aeed1d00e1331f83ff6a6e8a07a73947d5f

  • SHA256

    73971baad302c2025a9cede6800b2e811600b17ded2f7ef4782a83bfdc687b9b

  • SHA512

    2a3c9f8cf3c38b73c37755edd425bfd5db3dee211737c6930af389a19beeb7cb027fc48227434f21b797c2a11ac0d6742de9a93f354eeaf5c8e753aa4ccf58df

  • SSDEEP

    98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/vmlwXVZ4FB:5+R/eZADUXR

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

moonli.ddnsking.com:1234

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • XenArmor Suite

    XenArmor is as suite of password recovery tools for various application.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 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.

  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stub.exe
    "C:\Users\Admin\AppData\Local\Temp\Stub.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Users\Admin\AppData\Local\Temp\Stub.exe
      -a "C:\Users\Admin\AppData\Local\d5b5fbb4\plg\lyQCgVl7.json"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Users\Admin\AppData\Local\Temp\Stub.exe
        -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook accounts
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor

    Filesize

    104B

    MD5

    4f3bde9212e17ef18226866d6ac739b6

    SHA1

    732733bec8314beb81437e60876ffa75e72ae6cd

    SHA256

    212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

    SHA512

    10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor

    Filesize

    104B

    MD5

    bf5da170f7c9a8eae88d1cb1a191ff80

    SHA1

    dd1b991a1b03587a5d1edc94e919a2070e325610

    SHA256

    e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd

    SHA512

    9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll

    Filesize

    793KB

    MD5

    86114faba7e1ec4a667d2bcb2e23f024

    SHA1

    670df6e1ba1dc6bece046e8b2e573dd36748245e

    SHA256

    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

    SHA512

    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

  • C:\Users\Admin\AppData\Local\Temp\unk.xml

    Filesize

    98B

    MD5

    67efe59fbf8aaf3e8de7d67dab21c2a7

    SHA1

    0869d3ea3b16639ed4a0803acea1c476e199b16c

    SHA256

    63ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1

    SHA512

    75f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb

  • C:\Users\Admin\AppData\Local\d5b5fbb4\plg\lyQCgVl7.json

    Filesize

    98B

    MD5

    67efe59fbf8aaf3e8de7d67dab21c2a7

    SHA1

    0869d3ea3b16639ed4a0803acea1c476e199b16c

    SHA256

    63ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1

    SHA512

    75f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb

  • \Users\Admin\AppData\Local\Temp\Unknown.dll

    Filesize

    793KB

    MD5

    86114faba7e1ec4a667d2bcb2e23f024

    SHA1

    670df6e1ba1dc6bece046e8b2e573dd36748245e

    SHA256

    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

    SHA512

    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

  • memory/2444-0-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-2-0x00000000001F0000-0x00000000001FA000-memory.dmp

    Filesize

    40KB

  • memory/2444-1-0x00000000001F0000-0x00000000001FA000-memory.dmp

    Filesize

    40KB

  • memory/2444-3-0x00000000001F0000-0x00000000001FA000-memory.dmp

    Filesize

    40KB

  • memory/2444-4-0x00000000001F0000-0x00000000001FA000-memory.dmp

    Filesize

    40KB

  • memory/2548-48-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-56-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-75-0x0000000010000000-0x0000000010227000-memory.dmp

    Filesize

    2.2MB

  • memory/2548-44-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-46-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-73-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-52-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-53-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-55-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-57-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-58-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2548-61-0x0000000010000000-0x0000000010227000-memory.dmp

    Filesize

    2.2MB

  • memory/2636-17-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-15-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-19-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-64-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-18-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-20-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-11-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-9-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-99-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB

  • memory/2636-7-0x0000000000400000-0x00000000008DC000-memory.dmp

    Filesize

    4.9MB