Analysis

  • max time kernel
    100s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 09:18

General

  • Target

    Contract Wipak Oy 2022.pdf.exe

  • Size

    675KB

  • MD5

    5d7895b3ede1833a79a5c4fc7dc0455c

  • SHA1

    714ce92fce404b32345b06e1d0fbbfaff30eaa62

  • SHA256

    7d43cddf5679f4233ebf701f89050ec267f892165a4c34084ad65963af7ebc36

  • SHA512

    6f0a9c1cb2d74436ebde9b2c1068902bb9e0a943fc59f788f3c9e37e037b6dd9c0e5e86f2aa3d9c67e9740e7012f42c96d04ba0f2c3ac69a1c1c106db4fbe26d

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • offline_keylogger

    true

  • password

    Password234

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 11 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 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract Wipak Oy 2022.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract Wipak Oy 2022.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JzSLOgzqANjJNq.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JzSLOgzqANjJNq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE0A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1736
    • C:\Users\Admin\AppData\Local\Temp\Contract Wipak Oy 2022.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Contract Wipak Oy 2022.pdf.exe"
      2⤵
        PID:1768
      • C:\Users\Admin\AppData\Local\Temp\Contract Wipak Oy 2022.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Contract Wipak Oy 2022.pdf.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1596
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JzSLOgzqANjJNq.exe"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2016
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JzSLOgzqANjJNq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C3A.tmp"
            4⤵
            • Creates scheduled task(s)
            PID:560
          • C:\Users\Admin\AppData\Roaming\Install\Host.exe
            "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
            4⤵
            • Executes dropped EXE
            PID:1680

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8C3A.tmp

      Filesize

      1KB

      MD5

      a142d617100ecf0f4f9351e69c9b65d2

      SHA1

      4785f1f0bfbc59e70f5e4c1ad6b5528a3fd55fcd

      SHA256

      112fd13cd90b6839e0925210f2691316cfe76fa6bc0879b3516d5c0939d93f6b

      SHA512

      a288004e877caf4a0e06eb6a7c237fcc9ab8a51a68b3a5a428700b0819138065bb8f9a4162d83fb1e57398a9771aec1af0dc7ee9e8171d5fea41d0140e6da22c

    • C:\Users\Admin\AppData\Local\Temp\tmpCE0A.tmp

      Filesize

      1KB

      MD5

      a142d617100ecf0f4f9351e69c9b65d2

      SHA1

      4785f1f0bfbc59e70f5e4c1ad6b5528a3fd55fcd

      SHA256

      112fd13cd90b6839e0925210f2691316cfe76fa6bc0879b3516d5c0939d93f6b

      SHA512

      a288004e877caf4a0e06eb6a7c237fcc9ab8a51a68b3a5a428700b0819138065bb8f9a4162d83fb1e57398a9771aec1af0dc7ee9e8171d5fea41d0140e6da22c

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

      Filesize

      675KB

      MD5

      5d7895b3ede1833a79a5c4fc7dc0455c

      SHA1

      714ce92fce404b32345b06e1d0fbbfaff30eaa62

      SHA256

      7d43cddf5679f4233ebf701f89050ec267f892165a4c34084ad65963af7ebc36

      SHA512

      6f0a9c1cb2d74436ebde9b2c1068902bb9e0a943fc59f788f3c9e37e037b6dd9c0e5e86f2aa3d9c67e9740e7012f42c96d04ba0f2c3ac69a1c1c106db4fbe26d

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

      Filesize

      675KB

      MD5

      5d7895b3ede1833a79a5c4fc7dc0455c

      SHA1

      714ce92fce404b32345b06e1d0fbbfaff30eaa62

      SHA256

      7d43cddf5679f4233ebf701f89050ec267f892165a4c34084ad65963af7ebc36

      SHA512

      6f0a9c1cb2d74436ebde9b2c1068902bb9e0a943fc59f788f3c9e37e037b6dd9c0e5e86f2aa3d9c67e9740e7012f42c96d04ba0f2c3ac69a1c1c106db4fbe26d

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

      Filesize

      675KB

      MD5

      5d7895b3ede1833a79a5c4fc7dc0455c

      SHA1

      714ce92fce404b32345b06e1d0fbbfaff30eaa62

      SHA256

      7d43cddf5679f4233ebf701f89050ec267f892165a4c34084ad65963af7ebc36

      SHA512

      6f0a9c1cb2d74436ebde9b2c1068902bb9e0a943fc59f788f3c9e37e037b6dd9c0e5e86f2aa3d9c67e9740e7012f42c96d04ba0f2c3ac69a1c1c106db4fbe26d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      ad4d6038080b6088519a7b7b6032d038

      SHA1

      0e92744ec9bd47d3be4a4d9a79b54e476842e53b

      SHA256

      0c6dc0a4c47c50801dce9aff2b6814ef307ef917ee70c5ca339a1f6a3b99e077

      SHA512

      7815a29e77a26740af5d2c4295aab7687bc34a5ba5314b18b8145f33ab9bb48da75ef2e80a719a416aca57f03194bb9333ec719b0e1b3c982b61c536b1eb47bb

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

      Filesize

      675KB

      MD5

      5d7895b3ede1833a79a5c4fc7dc0455c

      SHA1

      714ce92fce404b32345b06e1d0fbbfaff30eaa62

      SHA256

      7d43cddf5679f4233ebf701f89050ec267f892165a4c34084ad65963af7ebc36

      SHA512

      6f0a9c1cb2d74436ebde9b2c1068902bb9e0a943fc59f788f3c9e37e037b6dd9c0e5e86f2aa3d9c67e9740e7012f42c96d04ba0f2c3ac69a1c1c106db4fbe26d

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

      Filesize

      675KB

      MD5

      5d7895b3ede1833a79a5c4fc7dc0455c

      SHA1

      714ce92fce404b32345b06e1d0fbbfaff30eaa62

      SHA256

      7d43cddf5679f4233ebf701f89050ec267f892165a4c34084ad65963af7ebc36

      SHA512

      6f0a9c1cb2d74436ebde9b2c1068902bb9e0a943fc59f788f3c9e37e037b6dd9c0e5e86f2aa3d9c67e9740e7012f42c96d04ba0f2c3ac69a1c1c106db4fbe26d

    • memory/560-90-0x0000000000000000-mapping.dmp

    • memory/760-57-0x0000000000500000-0x000000000050A000-memory.dmp

      Filesize

      40KB

    • memory/760-54-0x00000000008B0000-0x0000000000960000-memory.dmp

      Filesize

      704KB

    • memory/760-63-0x0000000005680000-0x00000000056E4000-memory.dmp

      Filesize

      400KB

    • memory/760-58-0x00000000055E0000-0x000000000567A000-memory.dmp

      Filesize

      616KB

    • memory/760-56-0x00000000004E0000-0x00000000004FE000-memory.dmp

      Filesize

      120KB

    • memory/760-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

      Filesize

      8KB

    • memory/1460-59-0x0000000000000000-mapping.dmp

    • memory/1460-87-0x000000006F180000-0x000000006F72B000-memory.dmp

      Filesize

      5.7MB

    • memory/1460-88-0x000000006F180000-0x000000006F72B000-memory.dmp

      Filesize

      5.7MB

    • memory/1596-85-0x0000000000CB0000-0x0000000000D60000-memory.dmp

      Filesize

      704KB

    • memory/1596-81-0x0000000000000000-mapping.dmp

    • memory/1644-64-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-69-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-75-0x000000000040242D-mapping.dmp

    • memory/1644-83-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-74-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-73-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-71-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-70-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-65-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-78-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1644-67-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1680-105-0x000000000040242D-mapping.dmp

    • memory/1680-109-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1680-111-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1736-60-0x0000000000000000-mapping.dmp

    • memory/2016-89-0x0000000000000000-mapping.dmp

    • memory/2016-110-0x0000000073BB0000-0x000000007415B000-memory.dmp

      Filesize

      5.7MB