Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2024 10:10

General

  • Target

    1cdf2ff6ac22daa830cecc5271d353f2_JaffaCakes118.exe

  • Size

    535KB

  • MD5

    1cdf2ff6ac22daa830cecc5271d353f2

  • SHA1

    6d798406249052783bef1b0b641edcf592da842a

  • SHA256

    e1de1102ff8cdcae20afbfdb22e66505385f2749b7bc8d2d6e5ef80aab518570

  • SHA512

    c1dcd252e1b7b56acae7fbfed745c0396b7c499cdbdbf4b8a660beb5c6c3b84c623a534b8b7bad31429d0944d84f77eea5a75d6bdd6f23e6d22abf94a34beff4

  • SSDEEP

    12288:Ua/rmU5El82jSloGfOy/ExF3Mkwd0bHPgkC6YPxm9N:Uav5UjSloGfx/qFMKT8pCN

Malware Config

Extracted

Family

netwire

C2

tukor.ddns.net:1008

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cdf2ff6ac22daa830cecc5271d353f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1cdf2ff6ac22daa830cecc5271d353f2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Gaonms.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Gaonms.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy "C:\Users\Admin\AppData\Local\Temp\RarSFX0\*.*" "C:\Users\Admin\AppData\Roaming\Ykwhrrxoeo" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1196
      • C:\Users\Admin\AppData\Roaming\Ykwhrrxoeo\Gaonms.exe
        "C:\Users\Admin\AppData\Roaming\Ykwhrrxoeo\Gaonms.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1192
        • C:\Users\Admin\AppData\Roaming\Ykwhrrxoeo\Gaonms.exe
          "C:\Users\Admin\AppData\Roaming\Ykwhrrxoeo\Gaonms.exe"
          4⤵
          • Executes dropped EXE
          PID:1244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Gaonms.exe.log

    Filesize

    594B

    MD5

    fdb26b3b547022b45cfaeee57eafd566

    SHA1

    11c6798b8a59233f404014c5e79b3363cd564b37

    SHA256

    2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

    SHA512

    44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Fsvxamvena.bin

    Filesize

    91KB

    MD5

    3f280141a86fa8184ee9047960af614e

    SHA1

    7397a21cadb02d1939a55ce6fc5367f569edfe25

    SHA256

    da3fb18fa315e0dd9546d9924ffb46362a9b3806429f048f398a1b11dcedcf71

    SHA512

    3064d56f1d667d8dcfbd4b6377c630cb30d207d5655f2934591dc4abee35b2e881b35e3d2f13c84603ee0def69894e484e49bf1d1b6c8630b580bb49fd20fb67

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Gaonms.exe

    Filesize

    175KB

    MD5

    70ef48606e6adc5c67600b85aee421e5

    SHA1

    38ba30e9ac522ad016dd2c5f45c395008b0e7024

    SHA256

    3ee14e09f9bedc4706d09df7f4f7170e6c1cb192df86d105523a2ec4fd016758

    SHA512

    6d38274badd0beee00e7c62903c0e2cd8c5f78d4bd8e22d30738431f7f3d5f058a38df695b6d106df3d83c99ce94a7e9f79d16ef06ef4a6c9239b085cae2d12e

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Jchmbulmigrmkwhrrx.bin

    Filesize

    2.0MB

    MD5

    d122e81ad247cbd50110af519e2ec3d5

    SHA1

    8d9db2fdf33ab36e440d12dacf554e62a75acf3a

    SHA256

    c5d50da2c5956b0abca0ec21a54df21f66d9c7def0c430cb4bf6daee4e8af485

    SHA512

    0643469cd90ef587d1ab1b1a2acb587fd52b7fee7942949a9d7b8e41041bc5f55ab95cbbdab29027c17f3863ced96e99ba339904b48031cc93f7953a95aaada7

  • memory/1192-41-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1192-34-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1192-32-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1244-38-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1244-36-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4544-20-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-19-0x0000000072D02000-0x0000000072D03000-memory.dmp

    Filesize

    4KB

  • memory/4544-17-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-33-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-16-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-15-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-14-0x0000000072D00000-0x00000000732B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-13-0x0000000072D02000-0x0000000072D03000-memory.dmp

    Filesize

    4KB