Analysis

  • max time kernel
    156s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2022 00:37

General

  • Target

    IMG50063065.pif.exe

  • Size

    1.2MB

  • MD5

    b1ebf9a17fd043323203f7b7ce7b5723

  • SHA1

    6b8111febaa3376fa44e6ed415dc947884e57b34

  • SHA256

    3322b19106784923e2ddca902b4dbcb5b45724df974cccfd943c435b778c1cc0

  • SHA512

    f1151a2888b0841d981f9a540a4863ccc54de24039a9bcdfc439986722a57e020f8d0b559d713d5ab3e836ed8a93651d83dc8fe7f1420e497444f490e36bc30a

  • SSDEEP

    24576:HmeNfdhdkhFXFQRUDcgvhdaMPe858oN357XOf3z3woEY:HPfKHFQCDZnag58ohxXo3zw

Malware Config

Extracted

Family

netwire

C2

augtolife.serveftp.com:500

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    sep

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • NetWire RAT payload 9 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 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 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG50063065.pif.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG50063065.pif.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Users\Admin\AppData\Local\Temp\FB_9AF8.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\FB_9AF8.tmp.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4696
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2580
      • C:\Users\Admin\AppData\Local\Temp\FB_BEAD.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\FB_BEAD.tmp.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3808
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\docuone"
      2⤵
        PID:3428
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\docuone\docuone.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3680
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\docuone\docuone.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:1988
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\IMG50063065.pif.exe" "C:\Users\Admin\AppData\Roaming\docuone\docuone.exe"
        2⤵
          PID:1432
      • C:\Users\Admin\AppData\Roaming\docuone\docuone.exe
        C:\Users\Admin\AppData\Roaming\docuone\docuone.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:1724
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\docuone"
            2⤵
              PID:1392
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\docuone\docuone.exe'" /f
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4652
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\docuone\docuone.exe'" /f
                3⤵
                • Creates scheduled task(s)
                PID:3972
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\docuone\docuone.exe" "C:\Users\Admin\AppData\Roaming\docuone\docuone.exe"
              2⤵
                PID:2776
            • C:\Users\Admin\AppData\Roaming\docuone\docuone.exe
              C:\Users\Admin\AppData\Roaming\docuone\docuone.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2740
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                2⤵
                  PID:2256
                  • C:\Users\Admin\AppData\Local\Temp\FB_86DA.tmp.exe
                    "C:\Users\Admin\AppData\Local\Temp\FB_86DA.tmp.exe"
                    3⤵
                    • Executes dropped EXE
                    PID:4284
                  • C:\Users\Admin\AppData\Local\Temp\FB_960D.tmp.exe
                    "C:\Users\Admin\AppData\Local\Temp\FB_960D.tmp.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:4088
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\docuone"
                  2⤵
                    PID:3332
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\docuone\docuone.exe'" /f
                    2⤵
                      PID:988
                      • C:\Windows\SysWOW64\schtasks.exe
                        schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\docuone\docuone.exe'" /f
                        3⤵
                        • Creates scheduled task(s)
                        PID:4068
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c copy "C:\Users\Admin\AppData\Roaming\docuone\docuone.exe" "C:\Users\Admin\AppData\Roaming\docuone\docuone.exe"
                      2⤵
                        PID:2448

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\docuone.exe.log

                      Filesize

                      425B

                      MD5

                      4eaca4566b22b01cd3bc115b9b0b2196

                      SHA1

                      e743e0792c19f71740416e7b3c061d9f1336bf94

                      SHA256

                      34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

                      SHA512

                      bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

                    • C:\Users\Admin\AppData\Local\Temp\FB_86DA.tmp.exe

                      Filesize

                      273KB

                      MD5

                      425a1e0963fb8ee810a30a3f879274ba

                      SHA1

                      01b5a89e274e6b0f9f85d3816ead5923029290dc

                      SHA256

                      3b66ca07eff688da68408f4068e013aeb5ae1e274a823fa31f3459280ba32ac3

                      SHA512

                      f81c9b24946cd6c312344cac11752144545a64a37af221335b6dbc0d0cb71768905cccefee63287cddffd319f8c8d3cc4a38dca6f2557f0d1d2ad316ba6d081d

                    • C:\Users\Admin\AppData\Local\Temp\FB_86DA.tmp.exe

                      Filesize

                      273KB

                      MD5

                      425a1e0963fb8ee810a30a3f879274ba

                      SHA1

                      01b5a89e274e6b0f9f85d3816ead5923029290dc

                      SHA256

                      3b66ca07eff688da68408f4068e013aeb5ae1e274a823fa31f3459280ba32ac3

                      SHA512

                      f81c9b24946cd6c312344cac11752144545a64a37af221335b6dbc0d0cb71768905cccefee63287cddffd319f8c8d3cc4a38dca6f2557f0d1d2ad316ba6d081d

                    • C:\Users\Admin\AppData\Local\Temp\FB_960D.tmp.exe

                      Filesize

                      632KB

                      MD5

                      43fad29e3e0cdba820580d0910c3cfdc

                      SHA1

                      939cdf1bb52f4e49192f9959bf539c644796b097

                      SHA256

                      edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e

                      SHA512

                      2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e

                    • C:\Users\Admin\AppData\Local\Temp\FB_960D.tmp.exe

                      Filesize

                      632KB

                      MD5

                      43fad29e3e0cdba820580d0910c3cfdc

                      SHA1

                      939cdf1bb52f4e49192f9959bf539c644796b097

                      SHA256

                      edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e

                      SHA512

                      2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e

                    • C:\Users\Admin\AppData\Local\Temp\FB_9AF8.tmp.exe

                      Filesize

                      273KB

                      MD5

                      425a1e0963fb8ee810a30a3f879274ba

                      SHA1

                      01b5a89e274e6b0f9f85d3816ead5923029290dc

                      SHA256

                      3b66ca07eff688da68408f4068e013aeb5ae1e274a823fa31f3459280ba32ac3

                      SHA512

                      f81c9b24946cd6c312344cac11752144545a64a37af221335b6dbc0d0cb71768905cccefee63287cddffd319f8c8d3cc4a38dca6f2557f0d1d2ad316ba6d081d

                    • C:\Users\Admin\AppData\Local\Temp\FB_9AF8.tmp.exe

                      Filesize

                      273KB

                      MD5

                      425a1e0963fb8ee810a30a3f879274ba

                      SHA1

                      01b5a89e274e6b0f9f85d3816ead5923029290dc

                      SHA256

                      3b66ca07eff688da68408f4068e013aeb5ae1e274a823fa31f3459280ba32ac3

                      SHA512

                      f81c9b24946cd6c312344cac11752144545a64a37af221335b6dbc0d0cb71768905cccefee63287cddffd319f8c8d3cc4a38dca6f2557f0d1d2ad316ba6d081d

                    • C:\Users\Admin\AppData\Local\Temp\FB_BEAD.tmp.exe

                      Filesize

                      632KB

                      MD5

                      43fad29e3e0cdba820580d0910c3cfdc

                      SHA1

                      939cdf1bb52f4e49192f9959bf539c644796b097

                      SHA256

                      edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e

                      SHA512

                      2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e

                    • C:\Users\Admin\AppData\Local\Temp\FB_BEAD.tmp.exe

                      Filesize

                      632KB

                      MD5

                      43fad29e3e0cdba820580d0910c3cfdc

                      SHA1

                      939cdf1bb52f4e49192f9959bf539c644796b097

                      SHA256

                      edf7d6b1c9104b00cb08e9c1948d80de71bc275094b4deb08e472d67a1887d2e

                      SHA512

                      2d6246a4d2129136df7fe6e93dfc988c2de2abf27d368790271a8903e1638f74005e0b64a37a858b92ea9d64f74741801651cd42761ad89dddae578d19cd0c8e

                    • C:\Users\Admin\AppData\Roaming\Install\Host.exe

                      Filesize

                      273KB

                      MD5

                      425a1e0963fb8ee810a30a3f879274ba

                      SHA1

                      01b5a89e274e6b0f9f85d3816ead5923029290dc

                      SHA256

                      3b66ca07eff688da68408f4068e013aeb5ae1e274a823fa31f3459280ba32ac3

                      SHA512

                      f81c9b24946cd6c312344cac11752144545a64a37af221335b6dbc0d0cb71768905cccefee63287cddffd319f8c8d3cc4a38dca6f2557f0d1d2ad316ba6d081d

                    • C:\Users\Admin\AppData\Roaming\Install\Host.exe

                      Filesize

                      273KB

                      MD5

                      425a1e0963fb8ee810a30a3f879274ba

                      SHA1

                      01b5a89e274e6b0f9f85d3816ead5923029290dc

                      SHA256

                      3b66ca07eff688da68408f4068e013aeb5ae1e274a823fa31f3459280ba32ac3

                      SHA512

                      f81c9b24946cd6c312344cac11752144545a64a37af221335b6dbc0d0cb71768905cccefee63287cddffd319f8c8d3cc4a38dca6f2557f0d1d2ad316ba6d081d

                    • C:\Users\Admin\AppData\Roaming\docuone\docuone.exe

                      Filesize

                      1.2MB

                      MD5

                      b1ebf9a17fd043323203f7b7ce7b5723

                      SHA1

                      6b8111febaa3376fa44e6ed415dc947884e57b34

                      SHA256

                      3322b19106784923e2ddca902b4dbcb5b45724df974cccfd943c435b778c1cc0

                      SHA512

                      f1151a2888b0841d981f9a540a4863ccc54de24039a9bcdfc439986722a57e020f8d0b559d713d5ab3e836ed8a93651d83dc8fe7f1420e497444f490e36bc30a

                    • C:\Users\Admin\AppData\Roaming\docuone\docuone.exe

                      Filesize

                      1.2MB

                      MD5

                      b1ebf9a17fd043323203f7b7ce7b5723

                      SHA1

                      6b8111febaa3376fa44e6ed415dc947884e57b34

                      SHA256

                      3322b19106784923e2ddca902b4dbcb5b45724df974cccfd943c435b778c1cc0

                      SHA512

                      f1151a2888b0841d981f9a540a4863ccc54de24039a9bcdfc439986722a57e020f8d0b559d713d5ab3e836ed8a93651d83dc8fe7f1420e497444f490e36bc30a

                    • C:\Users\Admin\AppData\Roaming\docuone\docuone.exe

                      Filesize

                      1.2MB

                      MD5

                      b1ebf9a17fd043323203f7b7ce7b5723

                      SHA1

                      6b8111febaa3376fa44e6ed415dc947884e57b34

                      SHA256

                      3322b19106784923e2ddca902b4dbcb5b45724df974cccfd943c435b778c1cc0

                      SHA512

                      f1151a2888b0841d981f9a540a4863ccc54de24039a9bcdfc439986722a57e020f8d0b559d713d5ab3e836ed8a93651d83dc8fe7f1420e497444f490e36bc30a

                    • memory/320-158-0x0000000000900000-0x0000000000A3C000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/424-135-0x0000000000320000-0x000000000045C000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/3700-140-0x0000000000400000-0x00000000004E7000-memory.dmp

                      Filesize

                      924KB

                    • memory/3700-143-0x0000000000400000-0x00000000004E7000-memory.dmp

                      Filesize

                      924KB

                    • memory/3700-137-0x0000000000400000-0x00000000004E7000-memory.dmp

                      Filesize

                      924KB