Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 08:00

General

  • Target

    c7cfffe2e3b1238fe11c690960128200N.exe

  • Size

    118KB

  • MD5

    c7cfffe2e3b1238fe11c690960128200

  • SHA1

    d625b7125b74fa24dc0b9610a1c6445ec8c9e9c7

  • SHA256

    c34d1b28ffd3065326071030494de1be4f501a9ed882d0a6794f330326bb61fe

  • SHA512

    c9eac8a01297f998d72aff31cb63d069772b43456a297579676906230f29cccee7ea35626beb9dd4e650fefff1ad28975e8236846060c9d5c359b17caba86064

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOs:P5eznsjsguGDFqGZ2rDL14FOs

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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 25 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7cfffe2e3b1238fe11c690960128200N.exe
    "C:\Users\Admin\AppData\Local\Temp\c7cfffe2e3b1238fe11c690960128200N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    5c4c147c73528c37479e6673173d5acb

    SHA1

    af0498fb38e8735138c53ef958f25654a3484fb3

    SHA256

    0d9c9f7d54304134fac8cfc363f2ab031400146758c6024a0613906d4780815f

    SHA512

    31fc8f96902b4746124c8673d151d6240b77c82aeea375b37a301f01b2016047cc6306c43f0bb441841cb23014b4219f4ec6ef35c6d1d7d4023a40ff35eb3c21

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1307a34ff3388b54f233dd963a6916da

    SHA1

    2d87ca667a9f66401801b24e240723f1ba26e38b

    SHA256

    6cc5c0cfa3ff420b8d5ba29710d9bddd01b00f3b2d635f97a37b09a875960807

    SHA512

    f731b15d484d5063f633021b81c2fa66bae42796d70fea7d5268c749d6d3d6d14d16ca325372db45e2bb921209ad018f2ed4b79661dc5596c55cbd958df49fb4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    6f078c83127cdb3186616a6c7dfddf44

    SHA1

    11f28c1706061f460f37ba2db57fd5aa8b67979d

    SHA256

    1da33d0057af23e6bc4169d53fc6649b33d460275e606de327f6665ad980aa48

    SHA512

    bbab0116d45f36d90815dce0dba72fcdc33a119124003076bd0f042c755161facf7861a45f81efa19f234c4aa504f673a9b868da54041fb2ec98f854ecec0879

  • C:\Users\Admin\AppData\Local\Temp\Cab7E65.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7E78.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    118KB

    MD5

    17dd73d125d50a0e484fec8994acb911

    SHA1

    4fee181b6bcfa7af6a2153533958962294dcb64d

    SHA256

    6460b65611914b815f3963069d470d35cc6db131368ab95be257cb08d03936e3

    SHA512

    17ac90ea13d3731cf183a7afbc48cb7337957a19cb1838aa2e72b0678a1f56e0c4ddce8eba755f522768bf39ee99538ee22efaf5ff35fd4d8244006cf9ef8d39

  • memory/1464-168-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-0-0x0000000073EF1000-0x0000000073EF2000-memory.dmp

    Filesize

    4KB

  • memory/1464-2-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-193-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-1-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/2960-345-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2960-344-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2960-342-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB