Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 01:04

General

  • Target

    b3b8760694afb936a598a3c8ac476080N.exe

  • Size

    114KB

  • MD5

    b3b8760694afb936a598a3c8ac476080

  • SHA1

    caad05a5fde719bafa3f1acf96b0a61604b1d579

  • SHA256

    36d1196e9a0ed69fc4648f126c265a3c5d7be8891ed3cba9265ec73e59b2f460

  • SHA512

    ae4b1116a381797944069ef2e4b2746e3cabf63ef6aeede455ece3eb8e7b55ce7c1658d157a29f3b1a82e81cf1b830f9804fdd0400eeeb38d97cd0fad6689318

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuM16:P5eznsjsguGDFqGZ2rY

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\b3b8760694afb936a598a3c8ac476080N.exe
    "C:\Users\Admin\AppData\Local\Temp\b3b8760694afb936a598a3c8ac476080N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1544
    • 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:1472
      • 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:2716
        • 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:2600

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

    7aadeac55e57c5e6877408667658e686

    SHA1

    013d3854357ed077d42e9e3e64cf75964182df8f

    SHA256

    18a3be9555c25e8414fb4657aac6a4c0c564f6a21023933d5b6d56e5d6522f34

    SHA512

    29ddd3f85c8290f39006eda510b4e0f2c3ab5715db4461f6c3880b52081a3d8980c68552aecf1b827af91d78c5e820450ca355c4f4e292fd1406bf7c4107e1e8

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

    Filesize

    342B

    MD5

    4e551d6a0db1a82f3b4e0eb36fb0dad4

    SHA1

    5fc4ea2bf3044f31fad066572eb2a412e972abf3

    SHA256

    2cfe11eed4c6a8c7da6162d4e637cd5a4932736efbc84da7af75ec91a71e4a70

    SHA512

    13e302a4b3388e97e816520c616f43b8586acf348a0b8ee005f8c09c0f1a54eda95fa07d814e95817ee11678df0afa0472009e4b01a6df6ffd915b8f3e4f3198

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

    Filesize

    342B

    MD5

    38ffdf7d9e9e32fc2afb427e9a157396

    SHA1

    f4664769b46c9331e2e27abc3fe7d90c5fc08722

    SHA256

    616435f486ee63ba45fe9166bf73f596a4fbc29ed092dc867a1983f9f8490a7a

    SHA512

    766f624ef09e28a1dd4ad6d0767413eacbd3f045541357eac8f41823da22896ef7add180522112caef271573bfa3ce092a5c95ed96cebfbcb38766676d2318db

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

    Filesize

    342B

    MD5

    baac81846022c28e5c15d3f091b4ad6e

    SHA1

    2952f67f718a810abcfd37bc0f4d1307b0b59e8e

    SHA256

    7a637fe75fb2332640ce5e1a6a6e8ffe8bb74c9b9dd1e4fc77d6e139989126ff

    SHA512

    39bf31dc606f6635ffdf6b2c7550dde64a96a25ffcb72e091c6b90b7eeafb91ec7274085615842b4f200b0a410f4f64cd5fc3e4a45425a2b5914e01eda896084

  • C:\Users\Admin\AppData\Local\Temp\CabE7A3.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE7A6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    114KB

    MD5

    9c3031dd31c4a47a4ed4630e74f890d2

    SHA1

    8c924cf052a60c10ab8f46d8c7a89cb7b385587e

    SHA256

    b6cb232f67d5ae2e43a51998353da97e8cd1b94760a9fc4c0f3956cc5d5cb1b2

    SHA512

    640cfcfc654ef8e0a261b4c15e7425705ee6ca6f67c046f44d330d21e96f3fccff95ae8f08a6eb634e00989975a3cd6de4200b84baefe36e61ba33160ceec1e3

  • memory/1544-180-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1544-0-0x0000000074761000-0x0000000074762000-memory.dmp

    Filesize

    4KB

  • memory/1544-2-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1544-1-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-346-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-348-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB