Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02-09-2024 04:12

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 25 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:2308
    • 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:332
      • 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:2728
        • 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:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    a8d341f1aec3466646a56ab849e032dc

    SHA1

    8274b65b87bd91059166c64403bc2c22c142c03a

    SHA256

    e0c42de6423c42ba4f98178062b4f0985c99cc23df7436088eb8eec1694bf629

    SHA512

    0d29b8c43d733f8983687499b725155e3fde84a27384be239265a4bcd46615cc5bb1b8a5650ae152e0c158298847bd78f8953095bf577ecc38f2732d095779b6

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

    Filesize

    342B

    MD5

    79d4bd970262b09177e3584cb38b4fb6

    SHA1

    7f0c9e6c3d06495e8d057251b1dece7f917c3aa5

    SHA256

    3b812cdbea7947883680e1873f7b91d3e2d90727b8c3427aed122235184be0da

    SHA512

    937e058240bd3e13ee90e54a91572a9e6bb525d88196339947955391b1e6803eefc2d2df12dfdcc0a776a96fa12cc725affdf6351868584e5e5025abb1bf42ab

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

    Filesize

    342B

    MD5

    a534c6d3fee1fa53b7c127eaab61c7ef

    SHA1

    9a20e04443b7c9fdd5051230a7ac013554d421e3

    SHA256

    e70f87d47910f3baf1d504f22b91a7c465e66a09349babaa435ae5868aee7b1d

    SHA512

    e1b59b7ef22c838de41c4f89f7ea55f4ffae01f5e5860f7c1cdbb2e0bd4a6f910f1458bc93836c9ad11fce04757d8580ba2c6315ff76ef1444398a3ea0a7d22b

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

    Filesize

    342B

    MD5

    8a5bd0f864a5932811deb5f2eb906a0b

    SHA1

    1a9a88ca493b1393feaf4246f469518e3d142c3e

    SHA256

    4999cbbd723ed1c8ab85f2384532409b6fcae48411de87862a188db46757b6a5

    SHA512

    99cc2f95fda6f907517245d8ee07f9f0e3ee8be2122cd0ffdb31adba140b0bebb251af27b652bc95f79e87512c73ecd6aa1295af0433ed412938a1efd09f3cbc

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

    Filesize

    252B

    MD5

    ead7f60aa2916b8ca7d630311b2200a0

    SHA1

    b7a1c1dffd9713e8288e1fafa1c6e4500eb396ec

    SHA256

    8c396d31fe947c84769a09427d37ee0f48689d9a34cb66b048088132696b85c6

    SHA512

    75b7c089441e3a3f3235cced4024a740331144ac74f059205720ed5d9d3ea99f8c6efb5ace942e0f475d3afb898aaa161a2111515bb4a800bdaae5b0f45ac00d

  • C:\Users\Admin\AppData\Local\Temp\Cab953F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar9562.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    116KB

    MD5

    66fc9ff3bdbbd4b7047ed652b4574747

    SHA1

    0aea1df092780c4d5aedb570b0b50137dffd5e54

    SHA256

    ae8f869b7a18cd82c27393ee42339ceaefa430143c6508837ad49ee2d7233c34

    SHA512

    e630c1a07fce856c6c81237c2a2be1222576905555dd5ab4b087659893bb0bab9645b7f1c72f875f7dd76c50d0a242605fb45a2b31097c8d183e4ba34b2ffb8a

  • memory/2308-180-0x0000000074320000-0x00000000748CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2308-170-0x0000000074320000-0x00000000748CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2308-0-0x0000000074321000-0x0000000074322000-memory.dmp

    Filesize

    4KB

  • memory/2308-2-0x0000000074320000-0x00000000748CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2308-1-0x0000000074320000-0x00000000748CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-348-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2728-351-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2728-350-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB