Analysis

  • max time kernel
    112s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 07:58

General

  • Target

    f5da759038e0c82740e3a588288a27cc6189e9f634a7950bca73554f59bc51adN.exe

  • Size

    638KB

  • MD5

    4abb761d7e191cb014ebceb18733f370

  • SHA1

    3c627257f7de83f32b21afa194f4cf294c3f3cb8

  • SHA256

    f5da759038e0c82740e3a588288a27cc6189e9f634a7950bca73554f59bc51ad

  • SHA512

    54732778c642efc962710b5bdba309b706dd2dac7e6fcbdf1f3698c12ebff6ae7afdb19b3d2cf94e6ba7eb7be4a16b9a4ffffab879958b4c5dd4ff6da718bc60

  • SSDEEP

    6144:IbjjGk3F9ELCvfCdgv232mrXLK1UTVMkayZEkcR9eKS+rI:kGkVSLCvu3nXLKoVM0EkcR9BI

Malware Config

Extracted

Family

netwire

C2

nightwolf.dyndns-ip.com:2020

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-MgqmO0

  • keylogger_dir

    C:\Users\Admin\AppData\Roaming\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • NetWire RAT payload 1 IoCs
  • Netwire

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

  • Netwire family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5da759038e0c82740e3a588288a27cc6189e9f634a7950bca73554f59bc51adN.exe
    "C:\Users\Admin\AppData\Local\Temp\f5da759038e0c82740e3a588288a27cc6189e9f634a7950bca73554f59bc51adN.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2868
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Executes dropped EXE
      PID:2752
    • C:\Users\Admin\AppData\Local\Temp\notepad .exe
      "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 116
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\stres.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 300
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\invs.vbs

    Filesize

    78B

    MD5

    c578d9653b22800c3eb6b6a51219bbb8

    SHA1

    a97aa251901bbe179a48dbc7a0c1872e163b1f2d

    SHA256

    20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

    SHA512

    3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

  • C:\Users\Admin\AppData\Local\Temp\mata.bat

    Filesize

    47B

    MD5

    58c538a6ae20a3c6031217903cdf8e5d

    SHA1

    399fd50eadf4945b665877facfc4f53d16e18b1e

    SHA256

    6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

    SHA512

    c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

  • C:\Users\Admin\AppData\Local\Temp\mata2.bat

    Filesize

    47B

    MD5

    095b2908ae8b2e0e3704c0163f26e283

    SHA1

    3429b6c1421d448c98c1da9625badcea2484a521

    SHA256

    22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

    SHA512

    e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

  • C:\Users\Admin\AppData\Local\Temp\rundll11-.txt

    Filesize

    638KB

    MD5

    4abb761d7e191cb014ebceb18733f370

    SHA1

    3c627257f7de83f32b21afa194f4cf294c3f3cb8

    SHA256

    f5da759038e0c82740e3a588288a27cc6189e9f634a7950bca73554f59bc51ad

    SHA512

    54732778c642efc962710b5bdba309b706dd2dac7e6fcbdf1f3698c12ebff6ae7afdb19b3d2cf94e6ba7eb7be4a16b9a4ffffab879958b4c5dd4ff6da718bc60

  • C:\Users\Admin\AppData\Local\Temp\stres.bat

    Filesize

    200B

    MD5

    fc10f5325d4bf4be8eaac50c0a463469

    SHA1

    54d4daf129d17abf8284835017865f99c70ffe22

    SHA256

    acf2946adf8e613c5f2d776863f844b9572fc580eb4d9324f285d1bb3844e70e

    SHA512

    ae3ba84843312be74fda36615bd476f7b6aec5223cc0dbb183d42a57c27a8d2a6545f5273866ded6d3e3c31ef640724c74c0f47992c1c825f6f2e56ab5160490

  • \Users\Admin\AppData\Local\Temp\notepad .exe

    Filesize

    52KB

    MD5

    278edbd499374bf73621f8c1f969d894

    SHA1

    a81170af14747781c5f5f51bb1215893136f0bc0

    SHA256

    c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

    SHA512

    93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

  • \Users\Admin\AppData\Local\Temp\tmp.exe

    Filesize

    68KB

    MD5

    0a5984405864c6f61bf0e4d5b7fbe8ed

    SHA1

    083051131e44a5d7a7dbba7cbbbc195849193042

    SHA256

    0b182398ee3a3b27e70bacce39a8dbd9faeec94ca2d82a12a644efecf9d426bd

    SHA512

    892028e7f2a128fa0706118bda10d68b415ed328cd28c2fb70c004cebe5d418259e5b28ac6d77aade568a8668db8065696d908d94a2f221d9e8b4d268c0b2ebd

  • memory/2352-1-0x0000000074E20000-0x00000000753CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2352-2-0x0000000074E20000-0x00000000753CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2352-64-0x0000000074E20000-0x00000000753CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2352-0-0x0000000074E21000-0x0000000074E22000-memory.dmp

    Filesize

    4KB

  • memory/2352-39-0x0000000074E20000-0x00000000753CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-33-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2748-31-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2748-32-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2748-40-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2748-45-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2748-34-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2748-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-41-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB