Analysis

  • max time kernel
    82s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    13-10-2021 11:40

General

  • Target

    PAYMENT DOC.exe

  • Size

    274KB

  • MD5

    55d99749553fb93316b66f480c35d7d1

  • SHA1

    27cad4666afbaa3b9730929fcc7cfe5d8f0999b6

  • SHA256

    3fac732646ab12565cfd2dbdab89d71b26fad16db25a6143dfb11bf6da3bce26

  • SHA512

    b8e4c7617d2077fd425fca7b81bbf709030127cb034a86cc7bd797c535682c1f3be53070438594e75c23915012a24655b6cfd226d34120c9cbf9fa0ff9701aa3

Malware Config

Extracted

Family

warzonerat

C2

136.144.41.66:5200

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAYMENT DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT DOC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3612
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT DOC.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT DOC.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4008
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\PAYMENT DOC.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:60
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\PAYMENT DOC.exe"
          4⤵
            PID:4492

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\freebl3.dll
      MD5

      ef12ab9d0b231b8f898067b2114b1bc0

      SHA1

      6d90f27b2105945f9bb77039e8b892070a5f9442

      SHA256

      2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

      SHA512

      2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

    • \Users\Admin\AppData\Local\Temp\mozglue.dll
      MD5

      75f8cc548cabf0cc800c25047e4d3124

      SHA1

      602676768f9faecd35b48c38a0632781dfbde10c

      SHA256

      fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

      SHA512

      ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

    • \Users\Admin\AppData\Local\Temp\msvcp140.dll
      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • \Users\Admin\AppData\Local\Temp\nss3.dll
      MD5

      d7858e8449004e21b01d468e9fd04b82

      SHA1

      9524352071ede21c167e7e4f106e9526dc23ef4e

      SHA256

      78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

      SHA512

      1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

    • \Users\Admin\AppData\Local\Temp\nss98B7.tmp\fnvy.dll
      MD5

      427f94bb1e4bcab425a637e31ba06cd8

      SHA1

      b354acc48de4094eb576f34ee82bd4388b218ec5

      SHA256

      4508751251f71301ad27604a65de0dc67ca8c284701de7e7ed1e204e9a60a8de

      SHA512

      71a092242d0e6b69b64963c72d7c388ae137e51f8bbf45eb5bbccfef0c08d299a3d3336cab9792d9cdd4e9413300c4485a730c9a7c8d3035d8c584515ebbe4f9

    • \Users\Admin\AppData\Local\Temp\softokn3.dll
      MD5

      471c983513694ac3002590345f2be0da

      SHA1

      6612b9af4ff6830fa9b7d4193078434ef72f775b

      SHA256

      bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

      SHA512

      a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

    • \Users\Admin\AppData\Local\Temp\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • memory/60-122-0x0000000000000000-mapping.dmp
    • memory/4008-121-0x0000000000430000-0x000000000058E000-memory.dmp
      Filesize

      1.4MB

    • memory/4008-124-0x0000000003C40000-0x0000000003D7C000-memory.dmp
      Filesize

      1.2MB

    • memory/4008-125-0x00000000040E0000-0x0000000004164000-memory.dmp
      Filesize

      528KB

    • memory/4008-117-0x0000000000430000-0x000000000058E000-memory.dmp
      Filesize

      1.4MB

    • memory/4008-116-0x0000000000000000-mapping.dmp
    • memory/4492-123-0x0000000000000000-mapping.dmp