Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    03-10-2021 12:01

General

  • Target

    314afbf4a221c8ce6f8d2674277a3c2fb119c34222b5c3ed83afd79005e352f4.exe

  • Size

    1.4MB

  • MD5

    f6a5ed7c8eb538950f1b30417d8db1c6

  • SHA1

    e615250dad4a0df447f2f20cccd6ae21df91c1fa

  • SHA256

    314afbf4a221c8ce6f8d2674277a3c2fb119c34222b5c3ed83afd79005e352f4

  • SHA512

    bfa79af7d38c4fe26e7d656d6241c3880451c4fed22687ee50c441445366111835c34bd8daf914d0ae323039c9973fcf5a10b9eba14d4296f20b1fd7ad57bb1e

Malware Config

Extracted

Family

raccoon

Botnet

e16d9c3413a8d3bc552d87560e5a14148908608d

Attributes
  • url4cnc

    https://t.me/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

maurizio.ug

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

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.

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M5

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M5

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 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 SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\314afbf4a221c8ce6f8d2674277a3c2fb119c34222b5c3ed83afd79005e352f4.exe
    "C:\Users\Admin\AppData\Local\Temp\314afbf4a221c8ce6f8d2674277a3c2fb119c34222b5c3ed83afd79005e352f4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
      "C:\Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
        "C:\Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe"
        3⤵
        • Executes dropped EXE
        PID:1628
    • C:\Users\Admin\AppData\Local\Temp\ddlshot.exe
      "C:\Users\Admin\AppData\Local\Temp\ddlshot.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Users\Admin\AppData\Local\Temp\ddlshot.exe
        "C:\Users\Admin\AppData\Local\Temp\ddlshot.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /pid 320 & erase C:\Users\Admin\AppData\Local\Temp\ddlshot.exe & RD /S /Q C:\\ProgramData\\210235327208562\\* & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1316
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /pid 320
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2028
    • C:\Users\Admin\AppData\Local\Temp\314afbf4a221c8ce6f8d2674277a3c2fb119c34222b5c3ed83afd79005e352f4.exe
      "C:\Users\Admin\AppData\Local\Temp\314afbf4a221c8ce6f8d2674277a3c2fb119c34222b5c3ed83afd79005e352f4.exe"
      2⤵
        PID:1396

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    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\Local\Temp\FDdsfgerdfv.exe
      MD5

      56f01b749a568fa4b6e180484b11e69b

      SHA1

      04ebfb5a9626903d6e8418db85a5fb621f1c2a9a

      SHA256

      1d87746dfce6e0260c8c08b5d1d85ecbe200be70fa0e2dcb4effd37c47dce94d

      SHA512

      e201e2be1b374bc0464f66185a50bcc0d6ccb2a1979b3bb10e624ec92d45b6e2d053d7f57defd506e77f2417b0f247f9d6be542bfb5ef4e0bbf8c317d86f9460

    • C:\Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
      MD5

      56f01b749a568fa4b6e180484b11e69b

      SHA1

      04ebfb5a9626903d6e8418db85a5fb621f1c2a9a

      SHA256

      1d87746dfce6e0260c8c08b5d1d85ecbe200be70fa0e2dcb4effd37c47dce94d

      SHA512

      e201e2be1b374bc0464f66185a50bcc0d6ccb2a1979b3bb10e624ec92d45b6e2d053d7f57defd506e77f2417b0f247f9d6be542bfb5ef4e0bbf8c317d86f9460

    • C:\Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
      MD5

      56f01b749a568fa4b6e180484b11e69b

      SHA1

      04ebfb5a9626903d6e8418db85a5fb621f1c2a9a

      SHA256

      1d87746dfce6e0260c8c08b5d1d85ecbe200be70fa0e2dcb4effd37c47dce94d

      SHA512

      e201e2be1b374bc0464f66185a50bcc0d6ccb2a1979b3bb10e624ec92d45b6e2d053d7f57defd506e77f2417b0f247f9d6be542bfb5ef4e0bbf8c317d86f9460

    • C:\Users\Admin\AppData\Local\Temp\ddlshot.exe
      MD5

      c26938662b62839c6cd34dee351874a5

      SHA1

      be751ff70fc4cce079ee7d83a0a498abe40ff56c

      SHA256

      0239bcbfae35cdefd367a9dc269287c92b666743018e45f6265495b43fbbb27c

      SHA512

      2cb5f92ba15517582feedc75d4f0becfae38ba45851c6d215e7455bb6a733f3ac00e84a53920936e17d14c9234df5caf5495d07af0f875ac8d6e8c77e0d3b6e2

    • C:\Users\Admin\AppData\Local\Temp\ddlshot.exe
      MD5

      c26938662b62839c6cd34dee351874a5

      SHA1

      be751ff70fc4cce079ee7d83a0a498abe40ff56c

      SHA256

      0239bcbfae35cdefd367a9dc269287c92b666743018e45f6265495b43fbbb27c

      SHA512

      2cb5f92ba15517582feedc75d4f0becfae38ba45851c6d215e7455bb6a733f3ac00e84a53920936e17d14c9234df5caf5495d07af0f875ac8d6e8c77e0d3b6e2

    • C:\Users\Admin\AppData\Local\Temp\ddlshot.exe
      MD5

      c26938662b62839c6cd34dee351874a5

      SHA1

      be751ff70fc4cce079ee7d83a0a498abe40ff56c

      SHA256

      0239bcbfae35cdefd367a9dc269287c92b666743018e45f6265495b43fbbb27c

      SHA512

      2cb5f92ba15517582feedc75d4f0becfae38ba45851c6d215e7455bb6a733f3ac00e84a53920936e17d14c9234df5caf5495d07af0f875ac8d6e8c77e0d3b6e2

    • \ProgramData\mozglue.dll
      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • \ProgramData\msvcp140.dll
      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • \ProgramData\nss3.dll
      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • \ProgramData\sqlite3.dll
      MD5

      e477a96c8f2b18d6b5c27bde49c990bf

      SHA1

      e980c9bf41330d1e5bd04556db4646a0210f7409

      SHA256

      16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

      SHA512

      335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

    • \ProgramData\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • \Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
      MD5

      56f01b749a568fa4b6e180484b11e69b

      SHA1

      04ebfb5a9626903d6e8418db85a5fb621f1c2a9a

      SHA256

      1d87746dfce6e0260c8c08b5d1d85ecbe200be70fa0e2dcb4effd37c47dce94d

      SHA512

      e201e2be1b374bc0464f66185a50bcc0d6ccb2a1979b3bb10e624ec92d45b6e2d053d7f57defd506e77f2417b0f247f9d6be542bfb5ef4e0bbf8c317d86f9460

    • \Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
      MD5

      56f01b749a568fa4b6e180484b11e69b

      SHA1

      04ebfb5a9626903d6e8418db85a5fb621f1c2a9a

      SHA256

      1d87746dfce6e0260c8c08b5d1d85ecbe200be70fa0e2dcb4effd37c47dce94d

      SHA512

      e201e2be1b374bc0464f66185a50bcc0d6ccb2a1979b3bb10e624ec92d45b6e2d053d7f57defd506e77f2417b0f247f9d6be542bfb5ef4e0bbf8c317d86f9460

    • \Users\Admin\AppData\Local\Temp\FDdsfgerdfv.exe
      MD5

      56f01b749a568fa4b6e180484b11e69b

      SHA1

      04ebfb5a9626903d6e8418db85a5fb621f1c2a9a

      SHA256

      1d87746dfce6e0260c8c08b5d1d85ecbe200be70fa0e2dcb4effd37c47dce94d

      SHA512

      e201e2be1b374bc0464f66185a50bcc0d6ccb2a1979b3bb10e624ec92d45b6e2d053d7f57defd506e77f2417b0f247f9d6be542bfb5ef4e0bbf8c317d86f9460

    • \Users\Admin\AppData\Local\Temp\ddlshot.exe
      MD5

      c26938662b62839c6cd34dee351874a5

      SHA1

      be751ff70fc4cce079ee7d83a0a498abe40ff56c

      SHA256

      0239bcbfae35cdefd367a9dc269287c92b666743018e45f6265495b43fbbb27c

      SHA512

      2cb5f92ba15517582feedc75d4f0becfae38ba45851c6d215e7455bb6a733f3ac00e84a53920936e17d14c9234df5caf5495d07af0f875ac8d6e8c77e0d3b6e2

    • \Users\Admin\AppData\Local\Temp\ddlshot.exe
      MD5

      c26938662b62839c6cd34dee351874a5

      SHA1

      be751ff70fc4cce079ee7d83a0a498abe40ff56c

      SHA256

      0239bcbfae35cdefd367a9dc269287c92b666743018e45f6265495b43fbbb27c

      SHA512

      2cb5f92ba15517582feedc75d4f0becfae38ba45851c6d215e7455bb6a733f3ac00e84a53920936e17d14c9234df5caf5495d07af0f875ac8d6e8c77e0d3b6e2

    • \Users\Admin\AppData\Local\Temp\ddlshot.exe
      MD5

      c26938662b62839c6cd34dee351874a5

      SHA1

      be751ff70fc4cce079ee7d83a0a498abe40ff56c

      SHA256

      0239bcbfae35cdefd367a9dc269287c92b666743018e45f6265495b43fbbb27c

      SHA512

      2cb5f92ba15517582feedc75d4f0becfae38ba45851c6d215e7455bb6a733f3ac00e84a53920936e17d14c9234df5caf5495d07af0f875ac8d6e8c77e0d3b6e2

    • memory/320-91-0x00000000002B0000-0x00000000002B1000-memory.dmp
      Filesize

      4KB

    • memory/320-90-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/320-83-0x0000000000417A8B-mapping.dmp
    • memory/1216-63-0x0000000000000000-mapping.dmp
    • memory/1216-88-0x0000000000280000-0x0000000000281000-memory.dmp
      Filesize

      4KB

    • memory/1316-97-0x0000000000000000-mapping.dmp
    • memory/1396-75-0x00000000004407D8-mapping.dmp
    • memory/1396-89-0x0000000000400000-0x0000000000493000-memory.dmp
      Filesize

      588KB

    • memory/1628-87-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/1628-86-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1628-74-0x000000000041A684-mapping.dmp
    • memory/1740-55-0x00000000765A1000-0x00000000765A3000-memory.dmp
      Filesize

      8KB

    • memory/1740-71-0x0000000002C90000-0x00000000038DA000-memory.dmp
      Filesize

      12.3MB

    • memory/1740-67-0x0000000000320000-0x0000000000321000-memory.dmp
      Filesize

      4KB

    • memory/2024-69-0x0000000000240000-0x0000000000246000-memory.dmp
      Filesize

      24KB

    • memory/2024-68-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2024-58-0x0000000000000000-mapping.dmp
    • memory/2028-98-0x0000000000000000-mapping.dmp