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
    17-08-2024 05:10

General

  • Target

    a3485b702501c9c4d4b9dc1936f804e0N.exe

  • Size

    118KB

  • MD5

    a3485b702501c9c4d4b9dc1936f804e0

  • SHA1

    9dceabfaaa1f278ceb0628069cfb9adbd57b8c84

  • SHA256

    18675bf38698c988e1d10313cb7e5e14e70c57ed409774129738ed06f45221d7

  • SHA512

    8719e0a00fc4aef716baab23032dc22359d39fefb3a4805d281c42621388b407e45a3cfaa8982d92053fd2fd9fa121fe03bfb584eb76f9d16ad616aa0d228a92

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/6t:P5eznsjsguGDFqGZ2rDLZ/8

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\a3485b702501c9c4d4b9dc1936f804e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\a3485b702501c9c4d4b9dc1936f804e0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1756
    • 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:1988
      • 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:2808
        • 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:2772

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

    f0a5dee6590728aba5edd3762cfffb6c

    SHA1

    3ceb12ec1ce2e4e5ee0991960abc5934975e8490

    SHA256

    c6b15f19065b862f55f48b275835f938d96d2dd4c1128deb75a7a042ed136b1c

    SHA512

    9cd6e6a4fb40f7680a1255f89d8a16854dfc36cc087a2a024fa30f3d07d7bd20e360e25ebcb7de98622e127872a7d09eedfe4e7ad2aecd3d8b3324ceb418db08

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

    Filesize

    342B

    MD5

    ed20bd7e7f904ede862485f19436211d

    SHA1

    1a5bc3156e0b6c97636bf0a114dc9c21b0701c28

    SHA256

    2b593f84eaa331a7b87ab8d6ec83c3c2cd8fcecd131d4f963168ad9eac388da9

    SHA512

    754dc34dd85c0492e1ff3746a546da568d649b19bc1e61957afa1a9f4314777ed02d964c1b8e73c009d81466c4e0ca33463e7bcebd62ce78f19eed9e2880ea36

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

    Filesize

    342B

    MD5

    6b1a96f084ffc74f6761de8c5dba8f83

    SHA1

    cbcb07bb7e525ddda3bfdf24a412993751c399e5

    SHA256

    5136f1f39d53e1d835b696bd14b5259a077cea9727017d8f926d1c76db8d2403

    SHA512

    44ff0b3b6df1f1dc1f70233dc0d7ccccc60b7bc2de8457f2c1312733071ecf77e0141935ec9bdda5e12361d3c00a205a9bd2f5af70927535a7c1ac3212482892

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

    Filesize

    342B

    MD5

    9b716b7895dd13a468e36bb57d6f1be4

    SHA1

    a6dc24eb388c6f8ffb84951ccfdef9ef41589f99

    SHA256

    d5337c798cd3e22de1a5a09c74ace73408cde480b3fa17c713a1b5f771716a57

    SHA512

    0fed2fe98e74e1c0966ee3b3cd316592d6257e8cfe98941b2bf13839de67da29aa4d733b4b744ae8c362fe4f8ea63577da4cb76cd6dfeccf4ddaf7852c3c00cb

  • C:\Users\Admin\AppData\Local\Temp\Cab42CC.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar42DF.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    118KB

    MD5

    512af6f6901f1a8f55c86b21f0804e57

    SHA1

    8be5dc127d10ee2cd1d3728e5854c385428475a2

    SHA256

    b94bbbfd370c435aa0addb78eeb174a71812ddf481e74076ef2b9aafdf28e5ea

    SHA512

    49567bc33637b7de2d59e72d1ee3ce814dd2820555abd8dbdb08adcd5384e1a0131a923d21a09f4d1e6d4eaef0f91ee96cdb5916d10965e308e451b50a196e05

  • memory/1756-183-0x0000000074D00000-0x00000000752AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-171-0x0000000074D00000-0x00000000752AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-0-0x0000000074D01000-0x0000000074D02000-memory.dmp

    Filesize

    4KB

  • memory/1756-2-0x0000000074D00000-0x00000000752AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-1-0x0000000074D00000-0x00000000752AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-347-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2808-350-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2808-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB