Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2024 20:58

General

  • Target

    42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.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 31 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe
    "C:\Users\Admin\AppData\Local\Temp\42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2524
    • 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:2488
      • 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:2716
        • 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:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    1fc0bb6dbee5fc44ec520d6dfe3de76f

    SHA1

    c5bb46513add925d3266ad61d81735339e41a250

    SHA256

    4fbad26fbec956fe49f6f239e3fd59201d92822d6e8f4a8f6ec8ac6c6c57d291

    SHA512

    fcc5acd50c8d69bb78b24641a3e295cc50ea354ce7d2bf59786028212fad56109bab29020148b3c816e28eb07e9c35b06e0bff3a7d36d6b80d1f9e88ac0547b9

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

    Filesize

    342B

    MD5

    967b73744368509922f26418fe200a20

    SHA1

    7563016019b694bbdc015f71d2c337f6f5f649c2

    SHA256

    77e5e5cdb30b30585e3f60b4ae2594bf8b9f3b982e1eca6661dd2d9ac76cde83

    SHA512

    0c3d60396a2a8979adcb046414ea21578cded6edd1c9d0c4b27aba6f9d29eb50b1f6194ea1508c679864b43fbdb4d5029b25d1c852f2078a957f9d6cd4c07648

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

    Filesize

    342B

    MD5

    377cee510ca9b2f04d5253c7a420dc6c

    SHA1

    4bd4f2d5d1234c1fd5cfdbeddf33472e666c65e5

    SHA256

    56e36e51a445adc33d397eb0bbf86c4242b377afd633f5d3d5ea8aa898353cd0

    SHA512

    21b2397b0d8a2e3c7da787bfe6918cc4ed18c493717fb9d8e451abd53848aa79484435e745211095ad697cc63fee680f1796040d983f7c34a3ca02fa160676ec

  • C:\Users\Admin\AppData\Local\Temp\Cab8BED.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar8C1E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    115KB

    MD5

    5ec5c44867f3fc4e154c915e111a133e

    SHA1

    5c542cb010c8eac66b15ed8510bf400dc7541e77

    SHA256

    9b194921c9d4811bba52a7278c034fb8981d440afb85c53132c2343780a72ff2

    SHA512

    a40ad3053195a69819b2e9c7bb00b36f544096e09867e7b794b15a01892ca2a7557e7b87c307f0aa13142c823db9f9025f49c933e2a01da4d3d493dc8ec28313

  • memory/2524-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

    Filesize

    4KB

  • memory/2524-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-176-0x00000000748E0000-0x0000000074E8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-340-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-343-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-342-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB