Analysis

  • max time kernel
    91s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2023 08:43

General

  • Target

    822734b7ddbe7c857f0949762da30a15cccc9c2b99b5df3236163d83b8edc568.exe

  • Size

    12.7MB

  • MD5

    4689829de199e30f231b8bebb22bc0de

  • SHA1

    35a0266126b8c867ad83a1b03edd303ad8fc4644

  • SHA256

    822734b7ddbe7c857f0949762da30a15cccc9c2b99b5df3236163d83b8edc568

  • SHA512

    4284f318eb9b2ebf587e0d56123294d79d1701ee89fb6857423d280d6042ae4c4c27e2ea969e057468004624cb9a7bf3c8949b531c858b8cebcb1efff399b3c9

  • SSDEEP

    196608:cdcW2w+rqPYBqAK3eNeTJyPRjI3HT56IeHDTKlH1KYLQON408prLfk6CByloYeF:w8ID3eNsclyznNce40m/vypqB

Malware Config

Extracted

Family

raccoon

Botnet

13718a923845c0cdab8ce45c585b8d63

C2

http://45.15.156.143/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\822734b7ddbe7c857f0949762da30a15cccc9c2b99b5df3236163d83b8edc568.exe
    "C:\Users\Admin\AppData\Local\Temp\822734b7ddbe7c857f0949762da30a15cccc9c2b99b5df3236163d83b8edc568.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Users\Admin\AppData\Roaming\004cP6zv.exe
      "C:\Users\Admin\AppData\Roaming\004cP6zv.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 5 /tn "PushPrinterConnection application{S3G4C5J6K7S3-F5T6Q1W2S3-G5J7B6V5D3}" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PushPrinterConnection application\PushPrinterConnections.exe"
        3⤵
        • Creates scheduled task(s)
        PID:736
      • C:\Windows\SysWOW64\schtasks.exe
        /C /Query /XML /TN "PushPrinterConnection application{S3G4C5J6K7S3-F5T6Q1W2S3-G5J7B6V5D3}"
        3⤵
          PID:3764
        • C:\Windows\SysWOW64\schtasks.exe
          /C /create /F /tn "PushPrinterConnection application{S3G4C5J6K7S3-F5T6Q1W2S3-G5J7B6V5D3}" /XML "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PushPrinterConnection application\34645675765865745"
          3⤵
          • Creates scheduled task(s)
          PID:316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 604
          3⤵
          • Program crash
          PID:3076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 284 -p 5024 -ip 5024
      1⤵
        PID:2676

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Credential Access

      Credentials in Files

      2
      T1081

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Data from Local System

      2
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\mozglue.dll
        Filesize

        612KB

        MD5

        f07d9977430e762b563eaadc2b94bbfa

        SHA1

        da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

        SHA256

        4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

        SHA512

        6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

      • C:\Users\Admin\AppData\LocalLow\nss3.dll
        Filesize

        1.9MB

        MD5

        f67d08e8c02574cbc2f1122c53bfb976

        SHA1

        6522992957e7e4d074947cad63189f308a80fcf2

        SHA256

        c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

        SHA512

        2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

      • C:\Users\Admin\AppData\LocalLow\sqlite3.dll
        Filesize

        1.0MB

        MD5

        dbf4f8dcefb8056dc6bae4b67ff810ce

        SHA1

        bbac1dd8a07c6069415c04b62747d794736d0689

        SHA256

        47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

        SHA512

        b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

      • C:\Users\Admin\AppData\Roaming\004cP6zv.exe
        Filesize

        6.0MB

        MD5

        de15188e575883ca8a21001bd6dc58d0

        SHA1

        d52da79e2dd1260794fdf89714b7eb37622b1bd8

        SHA256

        88451cf57721e7895f8ef96ff051fd07f712cb7653b0509e487fd7dee2722893

        SHA512

        9daaea462af46c6906400b7ec199ae2d644b1d52747dafab7fe17637547a8be9eb8e133d4ccda4b539cda6797932df35b837dfc15c108e002b0922380aaeea98

      • C:\Users\Admin\AppData\Roaming\004cP6zv.exe
        Filesize

        6.0MB

        MD5

        de15188e575883ca8a21001bd6dc58d0

        SHA1

        d52da79e2dd1260794fdf89714b7eb37622b1bd8

        SHA256

        88451cf57721e7895f8ef96ff051fd07f712cb7653b0509e487fd7dee2722893

        SHA512

        9daaea462af46c6906400b7ec199ae2d644b1d52747dafab7fe17637547a8be9eb8e133d4ccda4b539cda6797932df35b837dfc15c108e002b0922380aaeea98

      • C:\Users\Admin\AppData\Roaming\004cP6zv.exe
        Filesize

        6.0MB

        MD5

        de15188e575883ca8a21001bd6dc58d0

        SHA1

        d52da79e2dd1260794fdf89714b7eb37622b1bd8

        SHA256

        88451cf57721e7895f8ef96ff051fd07f712cb7653b0509e487fd7dee2722893

        SHA512

        9daaea462af46c6906400b7ec199ae2d644b1d52747dafab7fe17637547a8be9eb8e133d4ccda4b539cda6797932df35b837dfc15c108e002b0922380aaeea98

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PushPrinterConnection application\34645675765865745
        Filesize

        1KB

        MD5

        3a71e010e695fbd8547bd6060925c8a0

        SHA1

        20a596b63cf81cc5ee0888bea3b73551b43db14a

        SHA256

        d47e662a4a42b97fda2e124cf73d6a408b7b007b8f773bc3d0cedc5ed1e8bf79

        SHA512

        841de04490006bbef9a9a297f086b3d1d92e1cc0eee9d0c558abc58726a6dad9b3658510d8a8be478bd6cbd136aedf6e3fd65c24f0119ad73c45406f849e4015

      • memory/4192-134-0x0000000000400000-0x0000000001A74000-memory.dmp
        Filesize

        22.5MB

      • memory/4192-180-0x0000000061E00000-0x0000000061EF1000-memory.dmp
        Filesize

        964KB

      • memory/4192-133-0x0000000001C10000-0x0000000001C11000-memory.dmp
        Filesize

        4KB

      • memory/5024-194-0x0000000000ED0000-0x0000000000ED1000-memory.dmp
        Filesize

        4KB

      • memory/5024-195-0x0000000000EE0000-0x0000000000EE1000-memory.dmp
        Filesize

        4KB

      • memory/5024-196-0x0000000000400000-0x0000000000D6B000-memory.dmp
        Filesize

        9.4MB