Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2024 23:32

General

  • Target

    b041bb8145f8237186aeee76a6bc8fc0N.exe

  • Size

    115KB

  • MD5

    b041bb8145f8237186aeee76a6bc8fc0

  • SHA1

    b1e230ade2a9f0fc4be95a544b42e6a6e16c5814

  • SHA256

    42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c

  • SHA512

    16009c2fd22508b46caedd7a98282304c1fed084556e8fd18869b48edf38f589546d5d5a5a7faeaba57a31111730b7d3ea9d7651aabfbc547e18e7f830fcc8d4

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMCh:P5eznsjsguGDFqGZ2rCh

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\b041bb8145f8237186aeee76a6bc8fc0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b041bb8145f8237186aeee76a6bc8fc0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2156
    • 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:1456
      • 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:2832
        • 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:2732

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

    1546bc862e2aea62b61014805f83a8c0

    SHA1

    c64f67347f661630cbaeeb086f37d12e190ee77c

    SHA256

    f33b811de19aa3b8d0e692bda1110cba69f6a5fffaa4d4e604033ae32432da08

    SHA512

    1676111ee9c9308b8955a2b00645eae3bfd499cbe665fb1daeaa3fcd0bc11c17538dac546069f38d9ae87988e360713f5fc42718aa906396ba8aff7fa7c15e91

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

    Filesize

    342B

    MD5

    c4c3a516332cb8a268f8dd3ba4b88bbe

    SHA1

    f56587a46cca21fc4eade59cf141a152f8c2e2ab

    SHA256

    72831a3c129c083563f5694e5d791bced96cdfcdc27ba0a8ba2722d8f692c46b

    SHA512

    0fcd71f0c8b47827831e0beab342b3e65600fcb942427a49390dd362da9921328193ebdcf281daa5eb2631901ac5f97514fbf403be2d8db5de68afcfab1a76cf

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

    Filesize

    342B

    MD5

    22be0287b9f41e0764a5f1282a2e1adf

    SHA1

    3a92c6ddbe0ccea9160ee14703b8e1cd7b4b60da

    SHA256

    44e29d704e9fcdbb3ae750a64bdf8d37b2bc91c93bdbf76b28ee535f1d6aa8a9

    SHA512

    4c492aa2b5cec0ba3b3d24a7aa6ff65cd1df33d5ea0b6d97de39a56fd55083df88a9d75f622eb3ac733c2bd4b051b53fe054b1812e3cf0938c6fd2a1f45b485b

  • C:\Users\Admin\AppData\Local\Temp\Cab77FF.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7802.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    115KB

    MD5

    c9784d08e0c2935f70ade4ffbf77c949

    SHA1

    a68ded7aea6539b38f5237e9bbbab869245ffc49

    SHA256

    745ad24cc64b224d70dc7d5be5751bc27d7712ede1b830f6ead207e884b8bb3f

    SHA512

    9e2a51c40f02fd6469882c3a03b667d5ffd15c915fc64987de5536db9b0d97662d27f4275450d72fe599d39db8703204eab968e45e7917ced77dfd013646038a

  • memory/2156-0-0x00000000744C1000-0x00000000744C2000-memory.dmp

    Filesize

    4KB

  • memory/2156-2-0x00000000744C0000-0x0000000074A6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2156-177-0x00000000744C0000-0x0000000074A6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2832-340-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2832-342-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2832-343-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB