Analysis

  • max time kernel
    300s
  • max time network
    263s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-09-2023 22:12

General

  • Target

    19b320942fa70caca7d487867368924c2b8bdedf4d995d5ca40fc4d83406e14f.exe

  • Size

    252KB

  • MD5

    b108a5b239f094a00f798670aed9854c

  • SHA1

    72e660ed85d65576d6f675431ac689b82b497b10

  • SHA256

    19b320942fa70caca7d487867368924c2b8bdedf4d995d5ca40fc4d83406e14f

  • SHA512

    5e49e14209a4273442f3e08526ac50b0f1470f9c20ac06d1b4188cf41260f7ffc85e24c58e9e41ebb37dfb3b9f4a05ad85a86dcbdea623aadfb0700036c04570

  • SSDEEP

    6144:5BtRVIuzvvCGCr2eaPsB6gAOekjWqPduRd:5lTCGQMk6uMRd

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

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 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\19b320942fa70caca7d487867368924c2b8bdedf4d995d5ca40fc4d83406e14f.exe
    "C:\Users\Admin\AppData\Local\Temp\19b320942fa70caca7d487867368924c2b8bdedf4d995d5ca40fc4d83406e14f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3864
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
        PID:3788
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        2⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:1364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 276
        2⤵
        • Program crash
        PID:4552
    • C:\Users\Admin\AppData\Local\Temp\9BCE.exe
      C:\Users\Admin\AppData\Local\Temp\9BCE.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4524
    • C:\Users\Admin\AppData\Local\Temp\9FD6.exe
      C:\Users\Admin\AppData\Local\Temp\9FD6.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe
        "C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2592
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN oneetx.exe /TR "C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:3320
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "oneetx.exe" /P "Admin:N"&&CACLS "oneetx.exe" /P "Admin:R" /E&&echo Y|CACLS "..\207aa4515d" /P "Admin:N"&&CACLS "..\207aa4515d" /P "Admin:R" /E&&Exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2596
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            4⤵
              PID:2352
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "oneetx.exe" /P "Admin:N"
              4⤵
                PID:2548
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "oneetx.exe" /P "Admin:R" /E
                4⤵
                  PID:2696
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  4⤵
                    PID:3784
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\207aa4515d" /P "Admin:N"
                    4⤵
                      PID:3816
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\207aa4515d" /P "Admin:R" /E
                      4⤵
                        PID:372
                • C:\Users\Admin\AppData\Local\Temp\A229.exe
                  C:\Users\Admin\AppData\Local\Temp\A229.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1352
                • C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe
                  C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe
                  1⤵
                  • Executes dropped EXE
                  PID:5024

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe

                  Filesize

                  198KB

                  MD5

                  a64a886a695ed5fb9273e73241fec2f7

                  SHA1

                  363244ca05027c5beb938562df5b525a2428b405

                  SHA256

                  563acabe49cc451e9caac20fae780bad27ea09aaefaaf8a1dfd838a00de97144

                  SHA512

                  122779ad7bce927e1b881df181fcc3181080d3929a67f750358fa446a21397b998d167c03aed5f3bdc3cd7a1f17e4da095f9b4a9367c6357cabefcf8cdd29474

                • C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe

                  Filesize

                  198KB

                  MD5

                  a64a886a695ed5fb9273e73241fec2f7

                  SHA1

                  363244ca05027c5beb938562df5b525a2428b405

                  SHA256

                  563acabe49cc451e9caac20fae780bad27ea09aaefaaf8a1dfd838a00de97144

                  SHA512

                  122779ad7bce927e1b881df181fcc3181080d3929a67f750358fa446a21397b998d167c03aed5f3bdc3cd7a1f17e4da095f9b4a9367c6357cabefcf8cdd29474

                • C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe

                  Filesize

                  198KB

                  MD5

                  a64a886a695ed5fb9273e73241fec2f7

                  SHA1

                  363244ca05027c5beb938562df5b525a2428b405

                  SHA256

                  563acabe49cc451e9caac20fae780bad27ea09aaefaaf8a1dfd838a00de97144

                  SHA512

                  122779ad7bce927e1b881df181fcc3181080d3929a67f750358fa446a21397b998d167c03aed5f3bdc3cd7a1f17e4da095f9b4a9367c6357cabefcf8cdd29474

                • C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe

                  Filesize

                  198KB

                  MD5

                  a64a886a695ed5fb9273e73241fec2f7

                  SHA1

                  363244ca05027c5beb938562df5b525a2428b405

                  SHA256

                  563acabe49cc451e9caac20fae780bad27ea09aaefaaf8a1dfd838a00de97144

                  SHA512

                  122779ad7bce927e1b881df181fcc3181080d3929a67f750358fa446a21397b998d167c03aed5f3bdc3cd7a1f17e4da095f9b4a9367c6357cabefcf8cdd29474

                • C:\Users\Admin\AppData\Local\Temp\9BCE.exe

                  Filesize

                  1.2MB

                  MD5

                  1a18fc4db3affaacf43f4022df7a2c32

                  SHA1

                  2ef240262c43bdd5f6a9db9f7e6abb1e408366ba

                  SHA256

                  b76a4488c5fa797828b85f998054f6e879b4c213d639f4501c725337b71e6c32

                  SHA512

                  be7ea1afa780dbe8bf70141566de147493bd6c276c64b45431e4ef3c46aecb5be28cea63f3a56188ba075b8aaae4edc400c0b07b6c05da0f4ce02a4ff5519069

                • C:\Users\Admin\AppData\Local\Temp\9BCE.exe

                  Filesize

                  1.2MB

                  MD5

                  1a18fc4db3affaacf43f4022df7a2c32

                  SHA1

                  2ef240262c43bdd5f6a9db9f7e6abb1e408366ba

                  SHA256

                  b76a4488c5fa797828b85f998054f6e879b4c213d639f4501c725337b71e6c32

                  SHA512

                  be7ea1afa780dbe8bf70141566de147493bd6c276c64b45431e4ef3c46aecb5be28cea63f3a56188ba075b8aaae4edc400c0b07b6c05da0f4ce02a4ff5519069

                • C:\Users\Admin\AppData\Local\Temp\9FD6.exe

                  Filesize

                  198KB

                  MD5

                  a64a886a695ed5fb9273e73241fec2f7

                  SHA1

                  363244ca05027c5beb938562df5b525a2428b405

                  SHA256

                  563acabe49cc451e9caac20fae780bad27ea09aaefaaf8a1dfd838a00de97144

                  SHA512

                  122779ad7bce927e1b881df181fcc3181080d3929a67f750358fa446a21397b998d167c03aed5f3bdc3cd7a1f17e4da095f9b4a9367c6357cabefcf8cdd29474

                • C:\Users\Admin\AppData\Local\Temp\9FD6.exe

                  Filesize

                  198KB

                  MD5

                  a64a886a695ed5fb9273e73241fec2f7

                  SHA1

                  363244ca05027c5beb938562df5b525a2428b405

                  SHA256

                  563acabe49cc451e9caac20fae780bad27ea09aaefaaf8a1dfd838a00de97144

                  SHA512

                  122779ad7bce927e1b881df181fcc3181080d3929a67f750358fa446a21397b998d167c03aed5f3bdc3cd7a1f17e4da095f9b4a9367c6357cabefcf8cdd29474

                • C:\Users\Admin\AppData\Local\Temp\A229.exe

                  Filesize

                  341KB

                  MD5

                  8669fe397a7225ede807202f6a9d8390

                  SHA1

                  04a806a5c4218cb703cba85d3e636d0c8cbae043

                  SHA256

                  1624a759791e49ce8f79dd249d3ac2aede589ffbe53db342e4c99e2fbbc1b90e

                  SHA512

                  29cad49434172a910ba7635058ecc02aacf43f648ee98b2c47c561332403a96847b5da817358095f7638295b238de8874bf34fb393670096bbf3caeb388a9c45

                • C:\Users\Admin\AppData\Local\Temp\A229.exe

                  Filesize

                  341KB

                  MD5

                  8669fe397a7225ede807202f6a9d8390

                  SHA1

                  04a806a5c4218cb703cba85d3e636d0c8cbae043

                  SHA256

                  1624a759791e49ce8f79dd249d3ac2aede589ffbe53db342e4c99e2fbbc1b90e

                  SHA512

                  29cad49434172a910ba7635058ecc02aacf43f648ee98b2c47c561332403a96847b5da817358095f7638295b238de8874bf34fb393670096bbf3caeb388a9c45

                • memory/1352-373-0x0000000072C30000-0x000000007331E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1352-379-0x0000000072C30000-0x000000007331E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1352-46-0x0000000007460000-0x0000000007470000-memory.dmp

                  Filesize

                  64KB

                • memory/1352-38-0x0000000072C30000-0x000000007331E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1352-37-0x0000000000700000-0x000000000075A000-memory.dmp

                  Filesize

                  360KB

                • memory/1364-5-0x0000000000400000-0x0000000000409000-memory.dmp

                  Filesize

                  36KB

                • memory/1364-0-0x0000000000400000-0x0000000000409000-memory.dmp

                  Filesize

                  36KB

                • memory/1364-3-0x0000000000400000-0x0000000000409000-memory.dmp

                  Filesize

                  36KB

                • memory/3284-4-0x0000000000EE0000-0x0000000000EF6000-memory.dmp

                  Filesize

                  88KB

                • memory/4524-40-0x000000000BCA0000-0x000000000BCAA000-memory.dmp

                  Filesize

                  40KB

                • memory/4524-58-0x000000000C600000-0x000000000C666000-memory.dmp

                  Filesize

                  408KB

                • memory/4524-32-0x000000000BB90000-0x000000000BC22000-memory.dmp

                  Filesize

                  584KB

                • memory/4524-31-0x000000000C090000-0x000000000C58E000-memory.dmp

                  Filesize

                  5.0MB

                • memory/4524-26-0x0000000072C30000-0x000000007331E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/4524-377-0x0000000072C30000-0x000000007331E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/4524-45-0x000000000BD60000-0x000000000BD72000-memory.dmp

                  Filesize

                  72KB

                • memory/4524-41-0x000000000CBA0000-0x000000000D1A6000-memory.dmp

                  Filesize

                  6.0MB

                • memory/4524-51-0x000000000BE90000-0x000000000BF9A000-memory.dmp

                  Filesize

                  1.0MB

                • memory/4524-52-0x000000000BDD0000-0x000000000BE0E000-memory.dmp

                  Filesize

                  248KB

                • memory/4524-53-0x000000000BE10000-0x000000000BE5B000-memory.dmp

                  Filesize

                  300KB

                • memory/4524-39-0x0000000009620000-0x0000000009630000-memory.dmp

                  Filesize

                  64KB

                • memory/4524-61-0x000000000D530000-0x000000000D5A6000-memory.dmp

                  Filesize

                  472KB

                • memory/4524-210-0x000000000D4D0000-0x000000000D4EE000-memory.dmp

                  Filesize

                  120KB

                • memory/4524-241-0x0000000006FA0000-0x0000000006FF0000-memory.dmp

                  Filesize

                  320KB

                • memory/4524-250-0x000000000E630000-0x000000000E7F2000-memory.dmp

                  Filesize

                  1.8MB

                • memory/4524-251-0x000000000ED30000-0x000000000F25C000-memory.dmp

                  Filesize

                  5.2MB

                • memory/4524-372-0x0000000072C30000-0x000000007331E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/4524-17-0x0000000000400000-0x000000000045A000-memory.dmp

                  Filesize

                  360KB

                • memory/4524-374-0x0000000009620000-0x0000000009630000-memory.dmp

                  Filesize

                  64KB

                • memory/4828-24-0x00000000013D0000-0x000000000155E000-memory.dmp

                  Filesize

                  1.6MB

                • memory/4828-16-0x00000000013D0000-0x000000000155E000-memory.dmp

                  Filesize

                  1.6MB

                • memory/4828-15-0x00000000013D0000-0x000000000155E000-memory.dmp

                  Filesize

                  1.6MB