Analysis

  • max time kernel
    180s
  • max time network
    240s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-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 9 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
  • Loads dropped DLL 9 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 3 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 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 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:1408
    • C:\Users\Admin\AppData\Local\Temp\PRD736382-310722-MOQ.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1748
      • 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
        • outlook_office_path
        • outlook_win_path
        PID:520
      • 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
        • Loads dropped DLL
        • 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:432
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Local\Temp\GUM.EXE
          4⤵
            PID:580
          • 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:1124
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\tqqhzsgyr0.txt"
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1976
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\tqqhzsgyr1.txt"
              5⤵
              • Accesses Microsoft Outlook accounts
              PID:868
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\tqqhzsgyr2.txt"
              5⤵
                PID:360
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\tqqhzsgyr3.txt"
                5⤵
                  PID:1816
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\tqqhzsgyr4.txt"
                  5⤵
                    PID:548
              • C:\Users\Admin\AppData\Local\Temp\WALL PAPER.EXE
                "C:\Users\Admin\AppData\Local\Temp\WALL PAPER.EXE"
                3⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:1936
                • 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:1180
                  • 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:1076
                  • C:\ProgramData\images.exe
                    "C:\ProgramData\images.exe"
                    4⤵
                    • Executes dropped EXE
                    PID:1928

            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

            System Information Discovery

            2
            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:\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\Roaming\Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4\tqqhzsgyr2.txt
              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • \ProgramData\images.exe
              Filesize

              152KB

              MD5

              d934bc77b8157ece0a3bbec1527cee9b

              SHA1

              841017a8d48040f1e0d593608c2506007ea9f997

              SHA256

              c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

              SHA512

              5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

            • \ProgramData\images.exe
              Filesize

              152KB

              MD5

              d934bc77b8157ece0a3bbec1527cee9b

              SHA1

              841017a8d48040f1e0d593608c2506007ea9f997

              SHA256

              c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

              SHA512

              5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

            • \Users\Admin\AppData\Local\Temp\EGGMM.EXE
              Filesize

              126KB

              MD5

              350dfc66657d2d9b2231bf8bfe33497b

              SHA1

              0fb28b28c416d21f1db2d54355e89fa8ec3e3324

              SHA256

              a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31

              SHA512

              635132ff935ea13048839d2c535d5abbae53c77d332df7c7628dbbb5db94ffc3b5be7820bb116da94433d6c814b5b4b6811bcc32b22cae3adffb086664e010e5

            • \Users\Admin\AppData\Local\Temp\GUM.EXE
              Filesize

              172KB

              MD5

              81912e3dd162ce7c96114a84d0d58b29

              SHA1

              2def8b1c48c9e550f57c9dab915c5232a7113d57

              SHA256

              f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

              SHA512

              893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

            • \Users\Admin\AppData\Local\Temp\GUM.EXE
              Filesize

              172KB

              MD5

              81912e3dd162ce7c96114a84d0d58b29

              SHA1

              2def8b1c48c9e550f57c9dab915c5232a7113d57

              SHA256

              f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

              SHA512

              893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

            • \Users\Admin\AppData\Local\Temp\GUM.EXE
              Filesize

              172KB

              MD5

              81912e3dd162ce7c96114a84d0d58b29

              SHA1

              2def8b1c48c9e550f57c9dab915c5232a7113d57

              SHA256

              f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

              SHA512

              893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

            • \Users\Admin\AppData\Local\Temp\GUM.EXE
              Filesize

              172KB

              MD5

              81912e3dd162ce7c96114a84d0d58b29

              SHA1

              2def8b1c48c9e550f57c9dab915c5232a7113d57

              SHA256

              f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

              SHA512

              893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

            • \Users\Admin\AppData\Local\Temp\WALL PAPER.EXE
              Filesize

              152KB

              MD5

              d934bc77b8157ece0a3bbec1527cee9b

              SHA1

              841017a8d48040f1e0d593608c2506007ea9f997

              SHA256

              c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

              SHA512

              5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

            • \Users\Admin\AppData\Local\Temp\WALL PAPER.EXE
              Filesize

              152KB

              MD5

              d934bc77b8157ece0a3bbec1527cee9b

              SHA1

              841017a8d48040f1e0d593608c2506007ea9f997

              SHA256

              c6e161181e3f246471f546f84655f3de28e86860db5c449293a56efc17024aac

              SHA512

              5b3bfd6b2f2a7d7a70cd4d40b1fe74b7fc3945dc485f86d46230d19af050d91bc39d68494b9836bf8ebbd3151b3651c753d49d7072e85295e67be8dcc0043fc8

            • memory/432-79-0x0000000000000000-mapping.dmp
            • memory/520-75-0x0000000000000000-mapping.dmp
            • memory/520-80-0x00000000012B0000-0x00000000012D6000-memory.dmp
              Filesize

              152KB

            • memory/1076-103-0x0000000000000000-mapping.dmp
            • memory/1180-97-0x0000000000000000-mapping.dmp
            • memory/1408-55-0x0000000075301000-0x0000000075303000-memory.dmp
              Filesize

              8KB

            • memory/1408-54-0x0000000000D70000-0x0000000000E4C000-memory.dmp
              Filesize

              880KB

            • memory/1408-56-0x0000000000320000-0x000000000032A000-memory.dmp
              Filesize

              40KB

            • memory/1408-57-0x0000000006040000-0x00000000060F2000-memory.dmp
              Filesize

              712KB

            • memory/1408-58-0x00000000060F0000-0x0000000006174000-memory.dmp
              Filesize

              528KB

            • memory/1748-88-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-69-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-60-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-73-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-59-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-67-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-62-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-70-0x0000000000403248-mapping.dmp
            • memory/1748-64-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1748-65-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/1928-100-0x0000000000000000-mapping.dmp
            • memory/1936-84-0x0000000000000000-mapping.dmp