Resubmissions

20-09-2023 14:30

230920-rt5nzagg9v 10

Analysis

  • max time kernel
    135s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-09-2023 14:30

General

  • Target

    55aa5e.exe

  • Size

    6.9MB

  • MD5

    56c197e493f74f9233a16cdefab3109f

  • SHA1

    af35bd2fd5d884bdf6bea8aac695e98f5a00715a

  • SHA256

    172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01

  • SHA512

    d2830cfebfaa859f5fca15e3c81799e99c3cb31f72b1075d8828f03a490bfe6196b34d35bbcaede32a6d63d5c2d9bc17bea009e1bd8787cb4397f6627328b086

  • SSDEEP

    98304:ULop5mhzd71cBjG9Azp56BV8cM0AnwGSOnTXsYGeCW1zbiG54WeOVEMMRHGV7E:0op5mqU9KE8nNZnTXaexbZWsMGV7E

Malware Config

Extracted

Family

amadey

Version

3.89

C2

http://5.42.64.33/vu3skClDn/index.php

Attributes
  • install_dir

    a304d35d74

  • install_file

    yiueea.exe

  • strings_key

    3ae6c4e6339065c6f5a368011bb5cb8c

rc4.plain

Signatures

  • Amadey

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

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • VMProtect packed file 12 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
    "C:\Users\Admin\AppData\Local\Temp\55aa5e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN 55aa5e.exe /TR "C:\Users\Admin\AppData\Local\Temp\55aa5e.exe" /F
      2⤵
      • Creates scheduled task(s)
      PID:2320
    • C:\Users\Admin\AppData\Local\Temp\1000066001\BestSoftware.exe
      "C:\Users\Admin\AppData\Local\Temp\1000066001\BestSoftware.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4308
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1376
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:3716
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4812
        • C:\Users\Admin\AppData\Local\Temp\1000068001\BestSoftware.exe
          "C:\Users\Admin\AppData\Local\Temp\1000068001\BestSoftware.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1956
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4852
      • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
        C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2204
      • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
        C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4420
      • C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
        C:\Users\Admin\AppData\Local\Temp\55aa5e.exe
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3204

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BestSoftware.exe.log

        Filesize

        522B

        MD5

        18b4b20964ba71871f587253160ae3b1

        SHA1

        b0670adc90ecec31186448446ed43fc188be4559

        SHA256

        cb7844efb0b5fa59684743fa546012600ffe6fcc3aeb6c243796c1b1d8978987

        SHA512

        3fd458c517e43734477b209d38cd79f44f0b46de2c81386f83db99bd2f1fe27bff6594422c747d6b7eb32d24738d7257c94716c28a26205200958265d0cb5826

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

        Filesize

        2KB

        MD5

        177e4097e995e27ef16a82fdc42d1199

        SHA1

        4ad1985213a7747facc2daa618a23e0c75b37755

        SHA256

        b0ea0451e27f185b31105e5d796e8af4363134e636d23af3a388679b5027b0b6

        SHA512

        85bad113d4a6a661223e9f14711af6f59e546aa8afbc9d36166434b4d69fe413807746249a09e7b575ed917aa50c49b586495ce5ded048159a516ca4c876e937

      • C:\Users\Admin\AppData\Local\Temp\1000002051\BRR.exe

        Filesize

        708B

        MD5

        2382378378c002d88b9a507c712c3349

        SHA1

        2e894db3808b554abadc8b144338ad9e2ea937ba

        SHA256

        37a4e56c497e170de6e152bc479624eb8d7ccb35bad5a190f2fdb17ac699cffa

        SHA512

        2120f9ae9e5d63ee9aa5aa25e24081662059bdeb01afd8b21ddb8bdfff22832ea0c1dec51dbcbf714e1e82537d624f0ddf0b862ff218b9d2a38941fbe63c3258

      • C:\Users\Admin\AppData\Local\Temp\1000066001\BestSoftware.exe

        Filesize

        1.4MB

        MD5

        1c9cb19f72b337353fab5826b145b2f3

        SHA1

        2fe6ddb2fb7fc0082388904ffddb5902c520179b

        SHA256

        f217f02bbbf1b37386d8611b2ef07dd562d33dc1b31d84a260e11decf082b66a

        SHA512

        90a14e5be34e1f6b23c1ccbfb80b5f29d1ce6e1d58573de82abeb14b5a00f2bfbda4fc0d45058d6a5362274c08b0d280a4d280097f72ba3eb9b59db46acaf1bc

      • C:\Users\Admin\AppData\Local\Temp\1000066001\BestSoftware.exe

        Filesize

        1.4MB

        MD5

        1c9cb19f72b337353fab5826b145b2f3

        SHA1

        2fe6ddb2fb7fc0082388904ffddb5902c520179b

        SHA256

        f217f02bbbf1b37386d8611b2ef07dd562d33dc1b31d84a260e11decf082b66a

        SHA512

        90a14e5be34e1f6b23c1ccbfb80b5f29d1ce6e1d58573de82abeb14b5a00f2bfbda4fc0d45058d6a5362274c08b0d280a4d280097f72ba3eb9b59db46acaf1bc

      • C:\Users\Admin\AppData\Local\Temp\1000066001\BestSoftware.exe

        Filesize

        1.4MB

        MD5

        1c9cb19f72b337353fab5826b145b2f3

        SHA1

        2fe6ddb2fb7fc0082388904ffddb5902c520179b

        SHA256

        f217f02bbbf1b37386d8611b2ef07dd562d33dc1b31d84a260e11decf082b66a

        SHA512

        90a14e5be34e1f6b23c1ccbfb80b5f29d1ce6e1d58573de82abeb14b5a00f2bfbda4fc0d45058d6a5362274c08b0d280a4d280097f72ba3eb9b59db46acaf1bc

      • C:\Users\Admin\AppData\Local\Temp\1000068001\BestSoftware.exe

        Filesize

        1.4MB

        MD5

        1c9cb19f72b337353fab5826b145b2f3

        SHA1

        2fe6ddb2fb7fc0082388904ffddb5902c520179b

        SHA256

        f217f02bbbf1b37386d8611b2ef07dd562d33dc1b31d84a260e11decf082b66a

        SHA512

        90a14e5be34e1f6b23c1ccbfb80b5f29d1ce6e1d58573de82abeb14b5a00f2bfbda4fc0d45058d6a5362274c08b0d280a4d280097f72ba3eb9b59db46acaf1bc

      • C:\Users\Admin\AppData\Local\Temp\1000068001\BestSoftware.exe

        Filesize

        1.4MB

        MD5

        1c9cb19f72b337353fab5826b145b2f3

        SHA1

        2fe6ddb2fb7fc0082388904ffddb5902c520179b

        SHA256

        f217f02bbbf1b37386d8611b2ef07dd562d33dc1b31d84a260e11decf082b66a

        SHA512

        90a14e5be34e1f6b23c1ccbfb80b5f29d1ce6e1d58573de82abeb14b5a00f2bfbda4fc0d45058d6a5362274c08b0d280a4d280097f72ba3eb9b59db46acaf1bc

      • C:\Users\Admin\AppData\Local\Temp\1000069051\11bestcrypt.exe

        Filesize

        1KB

        MD5

        bf00c8de950425eb991277d0f6521954

        SHA1

        b905849dac07a1893e14ce75b23d6e9170b4f972

        SHA256

        a93b38ed77ad75dc0119f8787cbcc699cd17192b1bb06209460be92d156ffff4

        SHA512

        dceb513f914cbd501c7ed94f623d3f6d9eb84f72bc1b8cd69ae141ead383dd04f0671a97a54002b7b4f2d55acb1f1c2b01f4b54511650f6ff8cca8322f31ce29

      • memory/1956-104-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/1956-105-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/1956-106-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/1956-131-0x0000000002430000-0x0000000002431000-memory.dmp

        Filesize

        4KB

      • memory/1956-134-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/2204-22-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/2204-19-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/2204-18-0x0000000000B60000-0x0000000000B61000-memory.dmp

        Filesize

        4KB

      • memory/2204-17-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/3204-140-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/3204-138-0x00000000003F0000-0x00000000003F1000-memory.dmp

        Filesize

        4KB

      • memory/3204-143-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/3204-139-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4308-63-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-39-0x0000000002D00000-0x0000000002D1C000-memory.dmp

        Filesize

        112KB

      • memory/4308-49-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-51-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-53-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-55-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-57-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-59-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-61-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-40-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-64-0x00000000052D0000-0x00000000052D1000-memory.dmp

        Filesize

        4KB

      • memory/4308-47-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-45-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-67-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4308-38-0x0000000005440000-0x0000000005526000-memory.dmp

        Filesize

        920KB

      • memory/4308-37-0x0000000005430000-0x0000000005440000-memory.dmp

        Filesize

        64KB

      • memory/4308-36-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4308-35-0x00000000052F0000-0x000000000538C000-memory.dmp

        Filesize

        624KB

      • memory/4308-34-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4308-33-0x0000000000930000-0x0000000000A8A000-memory.dmp

        Filesize

        1.4MB

      • memory/4308-43-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4308-41-0x0000000002D00000-0x0000000002D15000-memory.dmp

        Filesize

        84KB

      • memory/4420-90-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4420-84-0x0000000000710000-0x0000000000711000-memory.dmp

        Filesize

        4KB

      • memory/4420-85-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4420-86-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4812-75-0x0000000007CF0000-0x0000000007DFA000-memory.dmp

        Filesize

        1.0MB

      • memory/4812-77-0x0000000007C70000-0x0000000007CBB000-memory.dmp

        Filesize

        300KB

      • memory/4812-83-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4812-81-0x00000000097C0000-0x0000000009982000-memory.dmp

        Filesize

        1.8MB

      • memory/4812-80-0x0000000009470000-0x000000000948E000-memory.dmp

        Filesize

        120KB

      • memory/4812-79-0x00000000094B0000-0x0000000009526000-memory.dmp

        Filesize

        472KB

      • memory/4812-88-0x0000000005580000-0x0000000005590000-memory.dmp

        Filesize

        64KB

      • memory/4812-65-0x0000000000400000-0x000000000045A000-memory.dmp

        Filesize

        360KB

      • memory/4812-92-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4812-82-0x0000000009EC0000-0x000000000A3EC000-memory.dmp

        Filesize

        5.2MB

      • memory/4812-76-0x0000000007C30000-0x0000000007C6E000-memory.dmp

        Filesize

        248KB

      • memory/4812-78-0x0000000008460000-0x00000000084C6000-memory.dmp

        Filesize

        408KB

      • memory/4812-74-0x0000000007BC0000-0x0000000007BD2000-memory.dmp

        Filesize

        72KB

      • memory/4812-73-0x0000000008960000-0x0000000008F66000-memory.dmp

        Filesize

        6.0MB

      • memory/4812-72-0x00000000079B0000-0x00000000079BA000-memory.dmp

        Filesize

        40KB

      • memory/4812-71-0x0000000005580000-0x0000000005590000-memory.dmp

        Filesize

        64KB

      • memory/4812-70-0x00000000079F0000-0x0000000007A82000-memory.dmp

        Filesize

        584KB

      • memory/4812-69-0x0000000007E50000-0x000000000834E000-memory.dmp

        Filesize

        5.0MB

      • memory/4812-68-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4852-136-0x0000000007970000-0x0000000007980000-memory.dmp

        Filesize

        64KB

      • memory/4852-137-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4852-135-0x0000000072970000-0x000000007305E000-memory.dmp

        Filesize

        6.9MB

      • memory/4944-1-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4944-16-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4944-2-0x0000000000B70000-0x00000000015E0000-memory.dmp

        Filesize

        10.4MB

      • memory/4944-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

        Filesize

        4KB