Analysis

  • max time kernel
    2s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 20:52

General

  • Target

    94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

  • Size

    1.8MB

  • MD5

    20f6e23944890a5a662588c9e7058aca

  • SHA1

    36c7e7d7bf4fdc94161083f2719bf844f2bd13a8

  • SHA256

    94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67

  • SHA512

    4bd8ce9840139fae3091804f40da9b27e6408b0645edf192620560d0fd02ff0042d2015a2e27ee54641ce0c604cab351976366af8f5c24161b03b58c3cf6d2fc

  • SSDEEP

    49152:AwDGK5uPtc4OR5OBRc+88gpQgExaDRnv0WaLxrBd:A4uPrO4ywOEaDxwx/

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe
    "C:\Users\Admin\AppData\Local\Temp\94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4528
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
      2⤵
        PID:2884
        • C:\Users\Admin\AppData\Local\Temp\1000006001\3d7945e886.exe
          "C:\Users\Admin\AppData\Local\Temp\1000006001\3d7945e886.exe"
          3⤵
            PID:1704
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BFHIJEBKEB.exe"
              4⤵
                PID:4156
                • C:\Users\Admin\AppData\Local\Temp\BFHIJEBKEB.exe
                  "C:\Users\Admin\AppData\Local\Temp\BFHIJEBKEB.exe"
                  5⤵
                    PID:4604
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"
                  4⤵
                    PID:4344
                    • C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe
                      "C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"
                      5⤵
                        PID:1780
              • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                1⤵
                  PID:2604
                • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                  C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                  1⤵
                    PID:2140
                  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                    C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                    1⤵
                      PID:4448

                    Network

                    MITRE ATT&CK Matrix ATT&CK v13

                    Defense Evasion

                    Virtualization/Sandbox Evasion

                    2
                    T1497

                    Discovery

                    Query Registry

                    3
                    T1012

                    Virtualization/Sandbox Evasion

                    2
                    T1497

                    System Information Discovery

                    2
                    T1082

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\ProgramData\mozglue.dll
                      Filesize

                      593KB

                      MD5

                      c8fd9be83bc728cc04beffafc2907fe9

                      SHA1

                      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                      SHA256

                      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                      SHA512

                      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

                    • C:\ProgramData\nss3.dll
                      Filesize

                      2.0MB

                      MD5

                      1cc453cdf74f31e4d913ff9c10acdde2

                      SHA1

                      6e85eae544d6e965f15fa5c39700fa7202f3aafe

                      SHA256

                      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                      SHA512

                      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

                    • C:\Users\Admin\AppData\Local\Temp\1000006001\3d7945e886.exe
                      Filesize

                      2.4MB

                      MD5

                      b58a3998f5ce749fd2dd6b8651fde46c

                      SHA1

                      94bac5909d2b5f2313d810f04587db3c67c9dd5a

                      SHA256

                      7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

                      SHA512

                      db074390fe7b8dfa26a10d0dcca56f3d66d72eba96ddc6b7650e7b8c45e0de58805abe43d8f93e3291687ff075d900676552d6a3f7ac3c7b2d388c9f52111da4

                    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                      Filesize

                      1.8MB

                      MD5

                      20f6e23944890a5a662588c9e7058aca

                      SHA1

                      36c7e7d7bf4fdc94161083f2719bf844f2bd13a8

                      SHA256

                      94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67

                      SHA512

                      4bd8ce9840139fae3091804f40da9b27e6408b0645edf192620560d0fd02ff0042d2015a2e27ee54641ce0c604cab351976366af8f5c24161b03b58c3cf6d2fc

                    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                      Filesize

                      1.5MB

                      MD5

                      90d9e3a70f38f69f3bd9acebb35b901c

                      SHA1

                      2e8fbc704da2b722e2099d60abc08cc29568e3dc

                      SHA256

                      0fd230bebc5511f86bf05690b36c6b1441506fc1ed202c05a1dc7c07664f229a

                      SHA512

                      9981f758af4688bddc6ec117cad515d7d233096de7a55fea49b85cec4e0f63c37f00b3796f586dabdafd023269235956bff5a16657bd04378f544e0266e196db

                    • memory/1704-119-0x0000000000E90000-0x0000000001A82000-memory.dmp
                      Filesize

                      11.9MB

                    • memory/1704-37-0x0000000000E90000-0x0000000001A82000-memory.dmp
                      Filesize

                      11.9MB

                    • memory/1704-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp
                      Filesize

                      972KB

                    • memory/1780-123-0x0000000000DD0000-0x000000000129E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/1780-125-0x0000000000DD0000-0x000000000129E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2140-134-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2140-136-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2604-72-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2604-85-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-137-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-140-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-19-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-20-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-107-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-147-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-18-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-146-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-142-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-141-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-126-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-127-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-128-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-129-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-130-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-131-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-132-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-21-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-139-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/2884-138-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4448-144-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4448-145-0x00000000007C0000-0x0000000000C8E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4528-0-0x0000000000B60000-0x000000000102E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4528-2-0x0000000000B61000-0x0000000000B8F000-memory.dmp
                      Filesize

                      184KB

                    • memory/4528-3-0x0000000000B60000-0x000000000102E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4528-5-0x0000000000B60000-0x000000000102E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4528-1-0x00000000777A4000-0x00000000777A6000-memory.dmp
                      Filesize

                      8KB

                    • memory/4528-17-0x0000000000B60000-0x000000000102E000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4604-124-0x0000000000BE0000-0x00000000010AE000-memory.dmp
                      Filesize

                      4.8MB

                    • memory/4604-114-0x0000000000BE0000-0x00000000010AE000-memory.dmp
                      Filesize

                      4.8MB