Analysis

  • max time kernel
    156s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 11:05

General

  • Target

    PRD736382-310722-MOQ.exe

  • Size

    857KB

  • MD5

    9b050abfd10976b7ce7c3a5fcd77740a

  • SHA1

    34cd8c2507265bfe6e555fcbcf6e8d9813b125db

  • SHA256

    f6f9f7b0dda34e762db1c1d5362ad44638246bc1ff5832789177869d0e393203

  • SHA512

    a2c7a3717285fb121ed03e5e5c9b2ea8cbe8477103cd2c4ec66bb493515047d4cee48c47c88c246b86de8775da1aa6533fb2c86a7a9752d4045f5688447ee2d1

Malware Config

Extracted

Family

warzonerat

C2

toomuchego.ydns.eu:5200

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 8 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • WarzoneRat, AveMaria

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

  • Windows security bypass 2 TTPs 1 IoCs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PRD736382-310722-MOQ.exe
    "C:\Users\Admin\AppData\Local\Temp\PRD736382-310722-MOQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\PRD736382-310722-MOQ.exe
      "{path}"
      2⤵
        PID:2280
      • C:\Users\Admin\AppData\Local\Temp\PRD736382-310722-MOQ.exe
        "{path}"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3536
        • C:\Users\Admin\AppData\Local\Temp\EGGMM.EXE
          "C:\Users\Admin\AppData\Local\Temp\EGGMM.EXE"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4388
        • C:\Users\Admin\AppData\Local\Temp\GUM.EXE
          "C:\Users\Admin\AppData\Local\Temp\GUM.EXE"
          3⤵
          • UAC bypass
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Checks whether UAC is enabled
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1328
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            C:\Users\Admin\AppData\Local\Temp\GUM.EXE
            4⤵
            • Adds policy Run key to start application
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4132
        • C:\Users\Admin\AppData\Local\Temp\WALL PAPER.EXE
          "C:\Users\Admin\AppData\Local\Temp\WALL PAPER.EXE"
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2544
          • 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:\ProgramData\images.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3336
            • C:\Windows\SysWOW64\reg.exe
              REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
              5⤵
                PID:4024
            • C:\ProgramData\images.exe
              "C:\ProgramData\images.exe"
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Accesses Microsoft Outlook profiles
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • outlook_office_path
              • outlook_win_path
              PID:3840
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe"
                5⤵
                  PID:3872

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\ProgramData\images.exe

          Filesize

          152KB

          MD5

          d934bc77b8157ece0a3bbec1527cee9b

          SHA1

          841017a8d48040f1e0d593608c2506007ea9f997

          SHA256

          c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

          SHA512

          5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

        • C:\ProgramData\images.exe

          Filesize

          152KB

          MD5

          d934bc77b8157ece0a3bbec1527cee9b

          SHA1

          841017a8d48040f1e0d593608c2506007ea9f997

          SHA256

          c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

          SHA512

          5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

        • C:\Users\Admin\AppData\Local\Temp\EGGMM.EXE

          Filesize

          126KB

          MD5

          350dfc66657d2d9b2231bf8bfe33497b

          SHA1

          0fb28b28c416d21f1db2d54355e89fa8ec3e3324

          SHA256

          a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31

          SHA512

          635132ff935ea13048839d2c535d5abbae53c77d332df7c7628dbbb5db94ffc3b5be7820bb116da94433d6c814b5b4b6811bcc32b22cae3adffb086664e010e5

        • C:\Users\Admin\AppData\Local\Temp\EGGMM.EXE

          Filesize

          126KB

          MD5

          350dfc66657d2d9b2231bf8bfe33497b

          SHA1

          0fb28b28c416d21f1db2d54355e89fa8ec3e3324

          SHA256

          a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31

          SHA512

          635132ff935ea13048839d2c535d5abbae53c77d332df7c7628dbbb5db94ffc3b5be7820bb116da94433d6c814b5b4b6811bcc32b22cae3adffb086664e010e5

        • C:\Users\Admin\AppData\Local\Temp\GUM.EXE

          Filesize

          172KB

          MD5

          81912e3dd162ce7c96114a84d0d58b29

          SHA1

          2def8b1c48c9e550f57c9dab915c5232a7113d57

          SHA256

          f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

          SHA512

          893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

        • C:\Users\Admin\AppData\Local\Temp\GUM.EXE

          Filesize

          172KB

          MD5

          81912e3dd162ce7c96114a84d0d58b29

          SHA1

          2def8b1c48c9e550f57c9dab915c5232a7113d57

          SHA256

          f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

          SHA512

          893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

        • C:\Users\Admin\AppData\Local\Temp\WALL PAPER.EXE

          Filesize

          152KB

          MD5

          d934bc77b8157ece0a3bbec1527cee9b

          SHA1

          841017a8d48040f1e0d593608c2506007ea9f997

          SHA256

          c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

          SHA512

          5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

        • C:\Users\Admin\AppData\Local\Temp\WALL PAPER.EXE

          Filesize

          152KB

          MD5

          d934bc77b8157ece0a3bbec1527cee9b

          SHA1

          841017a8d48040f1e0d593608c2506007ea9f997

          SHA256

          c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

          SHA512

          5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

        • C:\Users\Admin\AppData\Local\Temp\freebl3.dll

          Filesize

          326KB

          MD5

          ef12ab9d0b231b8f898067b2114b1bc0

          SHA1

          6d90f27b2105945f9bb77039e8b892070a5f9442

          SHA256

          2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

          SHA512

          2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

        • C:\Users\Admin\AppData\Local\Temp\mozglue.dll

          Filesize

          133KB

          MD5

          75f8cc548cabf0cc800c25047e4d3124

          SHA1

          602676768f9faecd35b48c38a0632781dfbde10c

          SHA256

          fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

          SHA512

          ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

        • C:\Users\Admin\AppData\Local\Temp\msvcp140.dll

          Filesize

          429KB

          MD5

          109f0f02fd37c84bfc7508d4227d7ed5

          SHA1

          ef7420141bb15ac334d3964082361a460bfdb975

          SHA256

          334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

          SHA512

          46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

        • C:\Users\Admin\AppData\Local\Temp\nss3.dll

          Filesize

          1.2MB

          MD5

          d7858e8449004e21b01d468e9fd04b82

          SHA1

          9524352071ede21c167e7e4f106e9526dc23ef4e

          SHA256

          78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

          SHA512

          1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

        • C:\Users\Admin\AppData\Local\Temp\softokn3.dll

          Filesize

          141KB

          MD5

          471c983513694ac3002590345f2be0da

          SHA1

          6612b9af4ff6830fa9b7d4193078434ef72f775b

          SHA256

          bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

          SHA512

          a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

        • C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll

          Filesize

          81KB

          MD5

          7587bf9cb4147022cd5681b015183046

          SHA1

          f2106306a8f6f0da5afb7fc765cfa0757ad5a628

          SHA256

          c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

          SHA512

          0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

        • memory/1172-132-0x0000000000D00000-0x0000000000DDC000-memory.dmp

          Filesize

          880KB

        • memory/1172-136-0x0000000005760000-0x000000000576A000-memory.dmp

          Filesize

          40KB

        • memory/1172-135-0x0000000005890000-0x000000000592C000-memory.dmp

          Filesize

          624KB

        • memory/1172-134-0x00000000057F0000-0x0000000005882000-memory.dmp

          Filesize

          584KB

        • memory/1172-133-0x0000000005DA0000-0x0000000006344000-memory.dmp

          Filesize

          5.6MB

        • memory/1328-147-0x0000000000000000-mapping.dmp

        • memory/2280-137-0x0000000000000000-mapping.dmp

        • memory/2544-150-0x0000000000000000-mapping.dmp

        • memory/3336-156-0x0000000000000000-mapping.dmp

        • memory/3536-141-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3536-142-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3536-138-0x0000000000000000-mapping.dmp

        • memory/3536-153-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3536-139-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3536-140-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3840-158-0x0000000000000000-mapping.dmp

        • memory/3840-163-0x0000000003D70000-0x0000000003F10000-memory.dmp

          Filesize

          1.6MB

        • memory/3840-164-0x0000000004270000-0x00000000042F4000-memory.dmp

          Filesize

          528KB

        • memory/3872-161-0x0000000000000000-mapping.dmp

        • memory/3872-162-0x0000000000660000-0x0000000000661000-memory.dmp

          Filesize

          4KB

        • memory/4024-157-0x0000000000000000-mapping.dmp

        • memory/4388-143-0x0000000000000000-mapping.dmp

        • memory/4388-146-0x0000000000070000-0x0000000000096000-memory.dmp

          Filesize

          152KB

        • memory/4388-165-0x0000000005D40000-0x0000000005F02000-memory.dmp

          Filesize

          1.8MB