Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 01:24

General

  • Target

    38640fc973c8e68e7b328afa24290930N.exe

  • Size

    115KB

  • MD5

    38640fc973c8e68e7b328afa24290930

  • SHA1

    bf5e6970ea894aa8c74c0d738bfd51102215708c

  • SHA256

    3750ec187b939572bc252d9c9c5a132435f20d6a16fbeea0b3269106a8094b8f

  • SHA512

    9418d3b08e0760c42f04f4fc272921b2e39135cba3885c8b68953e9cdb553dc59665a0bcde140ed4851700d671eaa535d092d174a62be03971e5d1b1a1c1a648

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIv:P5eznsjsguGDFqGZ2rDIv

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\38640fc973c8e68e7b328afa24290930N.exe
    "C:\Users\Admin\AppData\Local\Temp\38640fc973c8e68e7b328afa24290930N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2948
    • 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:2332
      • 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:2792
        • 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:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

    Filesize

    1KB

    MD5

    e7122c733f9e37bba0ca4c985ce11d6d

    SHA1

    d661aa5b31ff7ef2df9bc4095279058c36499af2

    SHA256

    acc9932453f5aa68f4b95986668f5584f99e55bbe02eefc0d0960dab376df81a

    SHA512

    84cddf68a46f455b4ebbb8c0c70607fe60796cfc5eabdace12d0684a1323af9681700acbdbdc37e63d7806d0220fce9cba5213bb35cee056f9d71646f98711b9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

    Filesize

    264B

    MD5

    3ffd83745e3a7a64f27dbee78f0f8e7a

    SHA1

    3d002f96eec252c8d0d40f14dd8a387b43f3d29f

    SHA256

    c0d78900f3155e650e9ac7b118cd9b76500f7f935c4f5a9ce6a8b0538fc95a91

    SHA512

    9c6a60a8d08679b4844dff344d194cbe5bf9f775dfa242833d1d0b76bc17bd4e027103bef43529296c0a02667a1c1e14ecdfce2c56eb7572f6247303c51bbe6f

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

    Filesize

    342B

    MD5

    c7ca4faeb6c0aff5987f43f87b1b5fc1

    SHA1

    500d867c2d8c7e0c499bcd5463ca009fea4a2816

    SHA256

    9590bcb77664a8819e373aa48fff40f0fc6a487c65171024e15c99e862b04bd3

    SHA512

    38e209a5c73b923045fbd6a95f3962a0101b1892f0c56aafeabc1588c57b727af79d45f90f7c9c24d663c57ee0abe56775b75c4bf9af94430ef4991958043c96

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

    Filesize

    342B

    MD5

    811dc374c1791531d9492e7f745239f1

    SHA1

    1d04e330bf0903ad5f1dd8f7c0204a8d1d8a6300

    SHA256

    f0c4b087cef48f925d400a4136d0da2bfd5cf4836b6964d882c98d24b53d871c

    SHA512

    702a22c11c1aa4bf943d15e2864ef1ef659bd9c695a49edcf00525d5a8e139547703a1eb3a593bbf3143610474202a137e50d3d28b0abf8f06eee7ef6d8857a6

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

    Filesize

    342B

    MD5

    cc6ba4dea2f2d6bb1ba700f00719932a

    SHA1

    eebb2333305922bef32eda046932b79c683f5b15

    SHA256

    7ae33415dcff007ad1ce99bf503eec139977347d52299ff9a89762efdda8a0ac

    SHA512

    86c63c46557898be70d14a4a4e62d78c53695037513eebd21e87ecc1588e334a499a0ef846950714269bc7a70ae10b292d81eaa7d219892898f7050561601b56

  • C:\Users\Admin\AppData\Local\Temp\CabB981.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB994.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    115KB

    MD5

    35875c2820652267f7b2d1805b13ff24

    SHA1

    11a40130dd45d5d7cb68042caa8894b30a050b72

    SHA256

    e075fc70615255b14475a3a8d09261bd7004edb8e4753004faaac963845ad1e3

    SHA512

    50fe9eeff1b8ba9cf5dfaf8f261da1603c2701e1e303b828a818f54081838512b59b8158c815c7c340db4891ffb60b77a8972fee730d3f35e11501bb7c239e10

  • memory/2792-341-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2792-343-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2792-344-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2948-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

    Filesize

    4KB

  • memory/2948-184-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2948-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB