Analysis

  • max time kernel
    113s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 09:55

General

  • Target

    76bfb683aa72f819a5013ef0ff2bdf80N.exe

  • Size

    116KB

  • MD5

    76bfb683aa72f819a5013ef0ff2bdf80

  • SHA1

    ced6e9df5bd75c78a2300553c465dd77bc78f406

  • SHA256

    9ec1fe32c7553b58be4bb840ca7c32b665141a8d9f31d3eccaa02b4bef8783f1

  • SHA512

    479f595426a604542531a702299d35c624d3129aaa457d7efcdcbac6dd5f35a5e16915dd0e1599d4eaa8888e4557d1796e033b39bcca105647ffccf504641298

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZM:P5eznsjsguGDFqGZ2rDLZM

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\76bfb683aa72f819a5013ef0ff2bdf80N.exe
    "C:\Users\Admin\AppData\Local\Temp\76bfb683aa72f819a5013ef0ff2bdf80N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:900
    • 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:1128
      • 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:2096
        • 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

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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

    5a05be80e1350a7b1042ff0d534c0937

    SHA1

    d1a268ba6baed9b95e8309676506ae297a6d6682

    SHA256

    2c3e99b3b482b2580f31d3e07dd73839a097be4f6b48ff168f1dce8a5d755500

    SHA512

    5bbea848bb19d8e57bd38d5d360d455282d8c1993ccd38f599bfe8690cc6112cb68478ac22e4434b8162d95f6187576dd4c980bdb1a6171d707d94be5d0d9230

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

    Filesize

    342B

    MD5

    dcab80343b95287d3eb56eb493b7a810

    SHA1

    f1d0b266b96b3b7637b279c4bdb12d35c9dcaacb

    SHA256

    2778b645239b42a2594b807a6d7d12785cd1d2bf8573af8b6e50219807d6a7ce

    SHA512

    0c318824e072e430130683a78a8daa66cac35d19929b91344e3bf9b5baba495b203437cc245b213fa3c3457a44054da370ab4a5c1abf9f6942588527ef6386e9

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

    Filesize

    342B

    MD5

    5b2f13f1bdfe49a136801749479098c7

    SHA1

    d3fed8118b3f53e87530490652dc92d668cc3209

    SHA256

    a396cb1c0ea3d9439ac9903399d52ca241071bbed607dffef41262d37160ea25

    SHA512

    d590f46b7f09b6709d5bfb4a0a0c927e9b45069fd71b9c4e7dee2578987703b153b2468c775c74495adcd49c76f66ab3986517a4488b0c0f8748251c26d08633

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

    Filesize

    342B

    MD5

    d890f3d5b6f6834cdf4736df061e5174

    SHA1

    861ad2ccc242f6e94eefb518f15fd95da17ea3b2

    SHA256

    1be3296334493ebc4621b839202fd76954850cb79fbccd9390cbc67dfe61d013

    SHA512

    c57e4aa39b3c59d95d63f8e776f57af3556b44d5d448356bd3e55e217d48b09b6cfa170680e8084d7f6d4f328ef5775e36b4a1cc9149196793125bdd8e4f4ab1

  • C:\Users\Admin\AppData\Local\Temp\Cab9BD4.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar9C06.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    116KB

    MD5

    9f3746744d83655f5cb494af56006039

    SHA1

    147d4b64615eb67e4f6ef1527125ed4461451c21

    SHA256

    657bd4687a2bed4be018482631033015e68b9a7eae2f8a1dd10e794c44dff06c

    SHA512

    f764a73126656f15e27656f21071000e465ca467b00ed5afd6b8c62ba9bd171cce8ab61c3e469fa8e5f158e4265d841c6c95b38d72ec4803ab03b19d954c0480

  • memory/900-202-0x0000000073FB0000-0x000000007455B000-memory.dmp

    Filesize

    5.7MB

  • memory/900-0-0x0000000073FB1000-0x0000000073FB2000-memory.dmp

    Filesize

    4KB

  • memory/900-2-0x0000000073FB0000-0x000000007455B000-memory.dmp

    Filesize

    5.7MB

  • memory/900-1-0x0000000073FB0000-0x000000007455B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-346-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2096-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2096-348-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB