Analysis

  • max time kernel
    222s
  • max time network
    253s
  • 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 11:04

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 accounts 1 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 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 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 use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Local\Temp\PRD736382-310722-MOQ.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4288
      • 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:2100
      • 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:1544
        • 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 SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4064
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux0.txt"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2356
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux1.txt"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:440
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux2.txt"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:656
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux3.txt"
            5⤵
              PID:2444
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux4.txt"
              5⤵
                PID:4972
          • 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:3768
            • 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:3504
              • 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:3236
              • 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:4208
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe"
                  5⤵
                    PID:872

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          2
          T1060

          Privilege Escalation

          Bypass User Account Control

          1
          T1088

          Defense Evasion

          Bypass User Account Control

          1
          T1088

          Disabling Security Tools

          3
          T1089

          Modify Registry

          6
          T1112

          Credential Access

          Credentials in Files

          3
          T1081

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          3
          T1082

          Collection

          Data from Local System

          3
          T1005

          Email Collection

          2
          T1114

          Replay Monitor

          Loading Replay Monitor...

          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

          • C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux2.txt
            Filesize

            3KB

            MD5

            f94dc819ca773f1e3cb27abbc9e7fa27

            SHA1

            9a7700efadc5ea09ab288544ef1e3cd876255086

            SHA256

            a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

            SHA512

            72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

          • C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\mugbqvtux4.txt
            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • memory/872-160-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
            Filesize

            4KB

          • memory/872-159-0x0000000000000000-mapping.dmp
          • memory/1124-133-0x0000000005940000-0x00000000059DC000-memory.dmp
            Filesize

            624KB

          • memory/1124-134-0x0000000005820000-0x000000000582A000-memory.dmp
            Filesize

            40KB

          • memory/1124-132-0x00000000058A0000-0x0000000005932000-memory.dmp
            Filesize

            584KB

          • memory/1124-131-0x0000000005E50000-0x00000000063F4000-memory.dmp
            Filesize

            5.6MB

          • memory/1124-130-0x0000000000DB0000-0x0000000000E8C000-memory.dmp
            Filesize

            880KB

          • memory/1544-143-0x0000000000000000-mapping.dmp
          • memory/2100-146-0x0000000000310000-0x0000000000336000-memory.dmp
            Filesize

            152KB

          • memory/2100-158-0x0000000006020000-0x00000000061E2000-memory.dmp
            Filesize

            1.8MB

          • memory/2100-140-0x0000000000000000-mapping.dmp
          • memory/3236-157-0x0000000000000000-mapping.dmp
          • memory/3504-153-0x0000000000000000-mapping.dmp
          • memory/3768-148-0x0000000000000000-mapping.dmp
          • memory/4208-162-0x0000000004C70000-0x0000000004E10000-memory.dmp
            Filesize

            1.6MB

          • memory/4208-163-0x0000000004950000-0x00000000049D4000-memory.dmp
            Filesize

            528KB

          • memory/4208-161-0x0000000004950000-0x00000000049D4000-memory.dmp
            Filesize

            528KB

          • memory/4208-154-0x0000000000000000-mapping.dmp
          • memory/4288-152-0x0000000000400000-0x0000000000482000-memory.dmp
            Filesize

            520KB

          • memory/4288-139-0x0000000000400000-0x0000000000482000-memory.dmp
            Filesize

            520KB

          • memory/4288-137-0x0000000000400000-0x0000000000482000-memory.dmp
            Filesize

            520KB

          • memory/4288-138-0x0000000000400000-0x0000000000482000-memory.dmp
            Filesize

            520KB

          • memory/4288-136-0x0000000000400000-0x0000000000482000-memory.dmp
            Filesize

            520KB

          • memory/4288-135-0x0000000000000000-mapping.dmp