Analysis

  • max time kernel
    130s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:42

General

  • Target

    ac0bff3a87acefe245899d7f908a0e400d49d56b75b9ee6400ac58ea180e3e20.exe

  • Size

    932KB

  • MD5

    2a3b3da0fbdfbcc9fafcce4708954170

  • SHA1

    13e48a6734e0d1f2275ad42ad5630ca22ca130c9

  • SHA256

    ac0bff3a87acefe245899d7f908a0e400d49d56b75b9ee6400ac58ea180e3e20

  • SHA512

    dae7c463ed3b01b23611470aae2d6125a428471f4b75dc2e390d1ef2bab5ba069b3775b97739627ce9c63be58d7e42f909bd6e7859fdb58e1b0dbd3b104dd3b9

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

oski

C2

levitt.ug

Extracted

Family

raccoon

Botnet

180d3985eb74eacf2de83c771fbf30a60f670ec0

Attributes
  • url4cnc

    https://telete.in/jrikitiki

rc4.plain
rc4.plain

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac0bff3a87acefe245899d7f908a0e400d49d56b75b9ee6400ac58ea180e3e20.exe
    "C:\Users\Admin\AppData\Local\Temp\ac0bff3a87acefe245899d7f908a0e400d49d56b75b9ee6400ac58ea180e3e20.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe
      "C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe
        "C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe"
        3⤵
        • Executes dropped EXE
        PID:2040
    • C:\Users\Admin\AppData\Local\Temp\ac0bff3a87acefe245899d7f908a0e400d49d56b75b9ee6400ac58ea180e3e20.exe
      "C:\Users\Admin\AppData\Local\Temp\ac0bff3a87acefe245899d7f908a0e400d49d56b75b9ee6400ac58ea180e3e20.exe"
      2⤵
        PID:3556
      • C:\Users\Admin\AppData\Roaming\OpacaF.exe
        "C:\Users\Admin\AppData\Roaming\OpacaF.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5104
    • C:\Users\Admin\AppData\Roaming\OpacaF.exe
      "C:\Users\Admin\AppData\Roaming\OpacaF.exe"
      1⤵
      • Executes dropped EXE
      PID:3468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 1340
        2⤵
        • Program crash
        PID:2408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3468 -ip 3468
      1⤵
        PID:2560

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe
        Filesize

        204KB

        MD5

        bba648d5b17554cb4556f7f839914ef4

        SHA1

        b042cb93b7629159000d1fbbd70d3536bda47d2b

        SHA256

        da23ff82f0cb0e77e3f38a2a6fa342fdc0ff190fbf3a6042cae8fcc73d0f2788

        SHA512

        4d9ab7d9c6f8adec998d8924cc318a06e833fbe6230ed795e66ddc2bb26a7f028f2b18542d6f7805eda95914491e0e273cd6e4b673fa5f42431acce1887563f7

      • C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe
        Filesize

        204KB

        MD5

        bba648d5b17554cb4556f7f839914ef4

        SHA1

        b042cb93b7629159000d1fbbd70d3536bda47d2b

        SHA256

        da23ff82f0cb0e77e3f38a2a6fa342fdc0ff190fbf3a6042cae8fcc73d0f2788

        SHA512

        4d9ab7d9c6f8adec998d8924cc318a06e833fbe6230ed795e66ddc2bb26a7f028f2b18542d6f7805eda95914491e0e273cd6e4b673fa5f42431acce1887563f7

      • C:\Users\Admin\AppData\Roaming\KdacfF.exe.exe
        Filesize

        204KB

        MD5

        bba648d5b17554cb4556f7f839914ef4

        SHA1

        b042cb93b7629159000d1fbbd70d3536bda47d2b

        SHA256

        da23ff82f0cb0e77e3f38a2a6fa342fdc0ff190fbf3a6042cae8fcc73d0f2788

        SHA512

        4d9ab7d9c6f8adec998d8924cc318a06e833fbe6230ed795e66ddc2bb26a7f028f2b18542d6f7805eda95914491e0e273cd6e4b673fa5f42431acce1887563f7

      • C:\Users\Admin\AppData\Roaming\OpacaF.exe
        Filesize

        248KB

        MD5

        8d6db869797db1841460c4ebd0806a84

        SHA1

        860985f7eaebeb1fd30fd0cf67a3ffdc85b0d054

        SHA256

        6da2e5337a76c07118f45ee40f9e98448bc5644b6ba79c709475de55fee1155e

        SHA512

        f22c4988e177521b09227559318144c386bac7eef5a877454e283967437582600ff26c9abc2b185a82b64b4f6c324cb68287bc76c956ea71758da2ad03a33d10

      • C:\Users\Admin\AppData\Roaming\OpacaF.exe
        Filesize

        248KB

        MD5

        8d6db869797db1841460c4ebd0806a84

        SHA1

        860985f7eaebeb1fd30fd0cf67a3ffdc85b0d054

        SHA256

        6da2e5337a76c07118f45ee40f9e98448bc5644b6ba79c709475de55fee1155e

        SHA512

        f22c4988e177521b09227559318144c386bac7eef5a877454e283967437582600ff26c9abc2b185a82b64b4f6c324cb68287bc76c956ea71758da2ad03a33d10

      • C:\Users\Admin\AppData\Roaming\OpacaF.exe
        Filesize

        248KB

        MD5

        8d6db869797db1841460c4ebd0806a84

        SHA1

        860985f7eaebeb1fd30fd0cf67a3ffdc85b0d054

        SHA256

        6da2e5337a76c07118f45ee40f9e98448bc5644b6ba79c709475de55fee1155e

        SHA512

        f22c4988e177521b09227559318144c386bac7eef5a877454e283967437582600ff26c9abc2b185a82b64b4f6c324cb68287bc76c956ea71758da2ad03a33d10

      • memory/2040-150-0x0000000000400000-0x0000000000420000-memory.dmp
        Filesize

        128KB

      • memory/2040-143-0x0000000000000000-mapping.dmp
      • memory/3468-146-0x0000000000000000-mapping.dmp
      • memory/3468-149-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/3556-141-0x0000000000000000-mapping.dmp
      • memory/3556-148-0x0000000000400000-0x0000000000493000-memory.dmp
        Filesize

        588KB

      • memory/4568-145-0x0000000000800000-0x0000000000808000-memory.dmp
        Filesize

        32KB

      • memory/4568-132-0x0000000000000000-mapping.dmp
      • memory/5104-136-0x0000000000000000-mapping.dmp