Analysis

  • max time kernel
    174s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 05:11

General

  • Target

    ghjkl.exe

  • Size

    586KB

  • MD5

    131a32033cf88976a8df48361b90207d

  • SHA1

    ce260393460fa5d4cbfa17d3329fd33594810add

  • SHA256

    d75d7b0534ff648f16f5751be79a2c23158b6412a780180aec78c77c7e95071d

  • SHA512

    120a4ef120c7b2d4c07af7e6418eaf83d7f3d41ba13f41ce2e494f76182c4b07fd16ec2ceaf1937ba3e76ecb9149cc42edba315e818dad09882cf77a62f6c708

Malware Config

Extracted

Family

raccoon

Botnet

8a4fd4b44997ba634230ba5c422ca9f2

C2

http://193.106.191.146/

http://185.215.113.89/

rc4.plain

Extracted

Family

arkei

Botnet

Default

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon

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

  • Raccoon Stealer payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 5 IoCs
  • 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). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
    "C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe
      "C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        3⤵
          PID:4864
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          3⤵
          • Loads dropped DLL
          PID:3592
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1328
            4⤵
            • Program crash
            PID:3360
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        2⤵
        • Loads dropped DLL
        PID:4928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3592 -ip 3592
      1⤵
        PID:1680

      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:\ProgramData\mozglue.dll
        Filesize

        133KB

        MD5

        8f73c08a9660691143661bf7332c3c27

        SHA1

        37fa65dd737c50fda710fdbde89e51374d0c204a

        SHA256

        3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

        SHA512

        0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

      • C:\ProgramData\nss3.dll
        Filesize

        1.2MB

        MD5

        bfac4e3c5908856ba17d41edcd455a51

        SHA1

        8eec7e888767aa9e4cca8ff246eb2aacb9170428

        SHA256

        e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

        SHA512

        2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

      • 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\Local\Temp\Mccegjkqnoydj.exe
        Filesize

        341KB

        MD5

        e96634c20057c1643a303d6266321035

        SHA1

        5f074a2f48911fa04995ab2bad95f6e66f228ebe

        SHA256

        58ca86e49e4dea36ec81072c6e63fb8d6b465447d3c1fc1443d15e897c13d27c

        SHA512

        0d927b650ef8029636681a4ba16637bda30336756586038818c0b75c2fddba0d83b6e4a51ece8a8c05a4deb13dc93e5bd23ae36024349a901c27909144725ebb

      • C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe
        Filesize

        341KB

        MD5

        e96634c20057c1643a303d6266321035

        SHA1

        5f074a2f48911fa04995ab2bad95f6e66f228ebe

        SHA256

        58ca86e49e4dea36ec81072c6e63fb8d6b465447d3c1fc1443d15e897c13d27c

        SHA512

        0d927b650ef8029636681a4ba16637bda30336756586038818c0b75c2fddba0d83b6e4a51ece8a8c05a4deb13dc93e5bd23ae36024349a901c27909144725ebb

      • memory/2220-134-0x0000000000000000-mapping.dmp
      • memory/2220-138-0x0000000000BE0000-0x0000000000C3C000-memory.dmp
        Filesize

        368KB

      • memory/3592-150-0x0000000060900000-0x0000000060992000-memory.dmp
        Filesize

        584KB

      • memory/3592-148-0x0000000000400000-0x000000000043D000-memory.dmp
        Filesize

        244KB

      • memory/3592-173-0x0000000000400000-0x000000000043D000-memory.dmp
        Filesize

        244KB

      • memory/3592-147-0x0000000000400000-0x000000000043D000-memory.dmp
        Filesize

        244KB

      • memory/3592-144-0x0000000000000000-mapping.dmp
      • memory/3592-145-0x0000000000400000-0x000000000043D000-memory.dmp
        Filesize

        244KB

      • memory/4668-130-0x0000000000440000-0x00000000004D8000-memory.dmp
        Filesize

        608KB

      • memory/4668-133-0x0000000005020000-0x000000000502A000-memory.dmp
        Filesize

        40KB

      • memory/4668-132-0x0000000004E70000-0x0000000004F02000-memory.dmp
        Filesize

        584KB

      • memory/4668-131-0x00000000054D0000-0x0000000005A74000-memory.dmp
        Filesize

        5.6MB

      • memory/4864-143-0x0000000000000000-mapping.dmp
      • memory/4928-141-0x0000000000400000-0x0000000000411000-memory.dmp
        Filesize

        68KB

      • memory/4928-139-0x0000000000400000-0x0000000000411000-memory.dmp
        Filesize

        68KB

      • memory/4928-137-0x0000000000000000-mapping.dmp
      • memory/4928-142-0x0000000000400000-0x0000000000411000-memory.dmp
        Filesize

        68KB