Analysis

  • max time kernel
    147s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 14:21

General

  • Target

    PO-92059.doc.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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-92059.doc.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-92059.doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:996
    • 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:848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JzSLOgzqANjJNq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F6B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:944
    • C:\Users\Admin\AppData\Local\Temp\PO-92059.doc.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-92059.doc.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1716
      • 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:1656
        • 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:308
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JzSLOgzqANjJNq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC43.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:788
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2F6B.tmp

    Filesize

    1KB

    MD5

    0913f416ed9b169e9c40c982e0bf7f47

    SHA1

    df26426c4793001d7469616bc7ff266cd48407ed

    SHA256

    76c1f984e35bc4dc5b92d073cfc104d9b9d147cf30244813a79fe3f775ee6a50

    SHA512

    c8b1f77604a0a71d702f0319fc810f315951c17dbd15696dfd7c6bbc533a9475ec1ffe0fd5eec76142e971cb9042dca71d407260941202f0998e9d835f35da51

  • C:\Users\Admin\AppData\Local\Temp\tmpEC43.tmp

    Filesize

    1KB

    MD5

    0913f416ed9b169e9c40c982e0bf7f47

    SHA1

    df26426c4793001d7469616bc7ff266cd48407ed

    SHA256

    76c1f984e35bc4dc5b92d073cfc104d9b9d147cf30244813a79fe3f775ee6a50

    SHA512

    c8b1f77604a0a71d702f0319fc810f315951c17dbd15696dfd7c6bbc533a9475ec1ffe0fd5eec76142e971cb9042dca71d407260941202f0998e9d835f35da51

  • 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

    3e78135d75e18f3b9b44b191fe926c0a

    SHA1

    b6fb68533fe0fd5b277d8719156f1b960619dc2b

    SHA256

    cd18c1b688088afdcc7606d57a8f76b9e905f42039bf4949b71ca01beb35e6bb

    SHA512

    b72fa053c0aff6165506dcea3e3425a0af47b9b824d3cf6bed3dc0136068efb1ce7f6390f9fc1f00d0c819a91ef7b330dfe130f82afd4c2355763c3f463fa19a

  • \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/308-89-0x0000000000000000-mapping.dmp

  • memory/308-111-0x000000006F2B0000-0x000000006F85B000-memory.dmp

    Filesize

    5.7MB

  • memory/308-110-0x000000006F2B0000-0x000000006F85B000-memory.dmp

    Filesize

    5.7MB

  • memory/788-90-0x0000000000000000-mapping.dmp

  • memory/848-87-0x000000006EAE0000-0x000000006F08B000-memory.dmp

    Filesize

    5.7MB

  • memory/848-59-0x0000000000000000-mapping.dmp

  • memory/848-88-0x000000006EAE0000-0x000000006F08B000-memory.dmp

    Filesize

    5.7MB

  • memory/944-60-0x0000000000000000-mapping.dmp

  • memory/996-54-0x0000000000F60000-0x0000000001010000-memory.dmp

    Filesize

    704KB

  • memory/996-63-0x0000000005850000-0x00000000058B4000-memory.dmp

    Filesize

    400KB

  • memory/996-58-0x0000000005560000-0x00000000055FA000-memory.dmp

    Filesize

    616KB

  • memory/996-57-0x0000000000640000-0x000000000064A000-memory.dmp

    Filesize

    40KB

  • memory/996-56-0x0000000000520000-0x000000000053E000-memory.dmp

    Filesize

    120KB

  • memory/996-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

    Filesize

    8KB

  • memory/1656-81-0x0000000000000000-mapping.dmp

  • memory/1656-85-0x0000000000FD0000-0x0000000001080000-memory.dmp

    Filesize

    704KB

  • memory/1716-65-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-70-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-78-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-75-0x000000000040242D-mapping.dmp

  • memory/1716-74-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-73-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-71-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-83-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-64-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-69-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1716-67-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1724-109-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1724-105-0x000000000040242D-mapping.dmp

  • memory/1724-112-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB