Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-04-2021 05:27

General

  • Target

    AWB.pdf.exe

  • Size

    810KB

  • MD5

    d747ed50da2983aa8998257a637c52fb

  • SHA1

    f6f44d82d9601d031a7f7d4f39117c4c80b66870

  • SHA256

    ded4e82e8bfda8917d4e15429c931da9afc33fb902e29a4e5fb06bd7ef30075b

  • SHA512

    6fe85c93947f85d7d9edfe1ca5830d04cda08551d54d539b5e562914ec02a2aef49767233fcf8b6310632bdd95140bab6399b4193d09ce2fbf4404ca822b9e99

Malware Config

Extracted

Family

warzonerat

C2

79.134.225.102:1414

Signatures

  • WarzoneRat, AveMaria

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

  • Warzone RAT Payload 3 IoCs
  • Loads dropped DLL 6 IoCs
  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jvCYUlDkN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDE0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:504
    • C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe
      "{path}"
      2⤵
        PID:848
      • C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe
        "{path}"
        2⤵
          PID:892
        • C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe
          "{path}"
          2⤵
          • Loads dropped DLL
          PID:1004

      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

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpEDE0.tmp
        MD5

        3daae6f313c179394d268e693b7dce28

        SHA1

        b2776d0a29aad02c9c362273f6f36825e9d8df48

        SHA256

        bc81d036e47e35892afb7019a0c17f72f363a38883b4e1c4e8b72c2efe55358c

        SHA512

        1d7af4f73df4f4af4318367ab9525ea04c3df3136c6d404e6e203c2b19599498a441ca4e2d90eeb1993f573a5dc734e8fd4d823b44da9329884cf69078af43fc

      • \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\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/504-13-0x0000000000000000-mapping.dmp
      • memory/1004-18-0x0000000003FB0000-0x0000000004034000-memory.dmp
        Filesize

        528KB

      • memory/1004-15-0x0000000000400000-0x0000000000554000-memory.dmp
        Filesize

        1.3MB

      • memory/1004-17-0x0000000000400000-0x0000000000554000-memory.dmp
        Filesize

        1.3MB

      • memory/1004-16-0x0000000000405CE2-mapping.dmp
      • memory/4692-2-0x0000000073430000-0x0000000073B1E000-memory.dmp
        Filesize

        6.9MB

      • memory/4692-10-0x0000000005B80000-0x0000000005B85000-memory.dmp
        Filesize

        20KB

      • memory/4692-11-0x0000000008E50000-0x0000000008EF2000-memory.dmp
        Filesize

        648KB

      • memory/4692-12-0x000000000B4F0000-0x000000000B545000-memory.dmp
        Filesize

        340KB

      • memory/4692-9-0x0000000008C00000-0x0000000008C01000-memory.dmp
        Filesize

        4KB

      • memory/4692-8-0x00000000055B0000-0x00000000055B1000-memory.dmp
        Filesize

        4KB

      • memory/4692-7-0x0000000005580000-0x0000000005581000-memory.dmp
        Filesize

        4KB

      • memory/4692-6-0x00000000055E0000-0x00000000055E1000-memory.dmp
        Filesize

        4KB

      • memory/4692-5-0x0000000005B90000-0x0000000005B91000-memory.dmp
        Filesize

        4KB

      • memory/4692-3-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
        Filesize

        4KB