Analysis

  • max time kernel
    119s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2024 15:16

General

  • Target

    4fb70c06fdefcc1595dc603fea1da470N.exe

  • Size

    116KB

  • MD5

    4fb70c06fdefcc1595dc603fea1da470

  • SHA1

    868e36d53792bf49b3ce8c7e4ec6aa146ab64001

  • SHA256

    1fd77b4983a23ba908746e571a7343687356382104476872892fad0bb21bf1c6

  • SHA512

    f9d895b727cac4e57e8754782ebad9756f21f111b4b75e3806da4da3c13177e70c306e8491080b238535e04592826a48be24e0ced158497abd58c913f32bedf4

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZbL:P5eznsjsguGDFqGZ2rDLt

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 23 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fb70c06fdefcc1595dc603fea1da470N.exe
    "C:\Users\Admin\AppData\Local\Temp\4fb70c06fdefcc1595dc603fea1da470N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2148
    • 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:2348
      • 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:2156
        • 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:2884

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\Content\C0018BB1B5834735BFA60CD063B31956

    Filesize

    1KB

    MD5

    732cfeb76b91c4d13978a00b8c666ed7

    SHA1

    0c57f76436701f4d51397d1d4e86337dd9ab1964

    SHA256

    9fab9fc0a1da813e6ddb93904c1fcfa6546cfbe70747ff8468ddd14d2552dbd2

    SHA512

    2b8618e823355a4fa646d51a753f67d34bd7b14367d46fa187f2294af7c2794c6cdee664ea570862757a5f1c99dfcb67a7d4ddf8389d07dd8d696fe55aa538bd

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

    Filesize

    264B

    MD5

    eb7cf663dbd40a17c3ed973a761c432f

    SHA1

    1ea8d0ebf07d735e838364243c61b54f0e1a273e

    SHA256

    d1431b657f70d990255266ce53eccfe06daabdfa8ff0392d3b1dc21e67a3f765

    SHA512

    75c49cb9f7edc86ad41b1f500341dd6ae8cf31ba9d07c2904e286d63762160342b2fc487ad4e91f37f985fc6c9a2f8983c50b1f382ad84b9cc09c5e9222b0f27

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

    Filesize

    342B

    MD5

    742b24bb38e8f59e5ac069f53784377a

    SHA1

    a69346744cdfc0710147883a737bb4031ccaa96f

    SHA256

    57fc7e176c633618097738400826f8d3c9ee35b2797006d3b4d2799e9e031309

    SHA512

    e3b4432c66bc1f593f0e43ec72e02d75de35a90d3c6233d67092aec38f1424c44c4d23ecde08848f36d1bfe862fdb82d5e3dea8abd1f0cbd1a03be8242447b91

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

    Filesize

    342B

    MD5

    b05bc2240befff046ae5effbc6aec0cc

    SHA1

    146bc0f245de91eb70ffd73ee865709ef8ba87ed

    SHA256

    31c54eb648b9f2efe76834791641d4a2108898a8e86b1bf6b90389164c04845f

    SHA512

    e115051194ba4c29e3a4617c931ad0246026f1c7bf9cc156d6fab2847f2f2557a785ab6e0dda78144d58ddc5113ae8cd6f84e71030f024b8cb1d98035d9aa3cb

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

    Filesize

    342B

    MD5

    47dde34d14554051b8ef1ee4f3827296

    SHA1

    534d56be8c6a56b4a5f83ac2d624e929c7d6e4f7

    SHA256

    465c8918b5203f5b477d713ff5021a6aee1dacc5eba78500f115608f145b578d

    SHA512

    0860372acc11e1f532fedc0ad9a9b6a7b28ed36384f695bb4fb2d31ce6b2a7a2817db374f5fed0544a099f15cbad00d30dba699cdd1f074a3afbf47a18bb00a5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

    Filesize

    252B

    MD5

    0e0ab156743b2f063ca679322e011706

    SHA1

    725761cda4d93e68b0f28c96e2dae8e361952f2d

    SHA256

    94a15c3c314effa84d3d571f2a73c91114cf2878d7189de0cd946fb0d670e70a

    SHA512

    d8f33633aa0c70c81e114f58ae3c7c2efacaffaf714d8b94073cbc11bdd12f6ccf1133e32a43a9f83753fca1bda4893ca61f3787e5f8bd23d882897da7790cab

  • C:\Users\Admin\AppData\Local\Temp\CabDC1E.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDC31.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    116KB

    MD5

    26bd3178c5925a2b270dadf365095817

    SHA1

    6d82d7abc7f0e01b851e3860df01e784bb5f45f4

    SHA256

    4783ff65d9a35a0d42cf6a8ab35d70408b52f745eba14685c8e2c1a8542c3352

    SHA512

    9de010d6f537175e5073f2ce2b03f9c950fdf730bbdd617982b46cb09c16b906ceb3a4107ad5f6d6761c857e219f6e115bf1a7e77e6d15a1d7938416fb512878

  • memory/2148-179-0x0000000074CD0000-0x000000007527B000-memory.dmp

    Filesize

    5.7MB

  • memory/2148-0-0x0000000074CD1000-0x0000000074CD2000-memory.dmp

    Filesize

    4KB

  • memory/2148-2-0x0000000074CD0000-0x000000007527B000-memory.dmp

    Filesize

    5.7MB

  • memory/2148-1-0x0000000074CD0000-0x000000007527B000-memory.dmp

    Filesize

    5.7MB

  • memory/2156-347-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2156-350-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2156-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB