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Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 08:00

General

  • Target

    91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe

  • Size

    446KB

  • MD5

    91095a7a271af53106eb3fbbdc51c20a

  • SHA1

    20a3c093653afc1f2c5aeb6851e61dbc3e961ee1

  • SHA256

    2a3a5f544051d55d3182e207d3064fcd7edebd879665a14a9d1da3f9e92752c3

  • SHA512

    e0680c56a197bbb4f79d0a712812dcaaf695dbe911d0b8697c1f0347915021d20d4aabc4c031fd607eb4fa6c4b6ba64de4b04e502f69e461a2ae5f93a81261c9

  • SSDEEP

    3072:q2Be0PLUxUa8FDSKc45xUh/wKsRNwD0kHRoqVi2rhTJNam5zpP4XqAtIVVtNlNmF:XLUCa8FDbtUhB8wNHVi2dpgaUIVdrjc

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

nome

C2

156.194.166.7:2222

Mutex

fa5dba3d74470430cec4a55a436040bd

Attributes
  • reg_key

    fa5dba3d74470430cec4a55a436040bd

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\91095a7a271af53106eb3fbbdc51c20a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Roaming\smsm.exe
      "C:\Users\Admin\AppData\Roaming\smsm.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smsm.exe" "smsm.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\smsm.exe

    Filesize

    446KB

    MD5

    91095a7a271af53106eb3fbbdc51c20a

    SHA1

    20a3c093653afc1f2c5aeb6851e61dbc3e961ee1

    SHA256

    2a3a5f544051d55d3182e207d3064fcd7edebd879665a14a9d1da3f9e92752c3

    SHA512

    e0680c56a197bbb4f79d0a712812dcaaf695dbe911d0b8697c1f0347915021d20d4aabc4c031fd607eb4fa6c4b6ba64de4b04e502f69e461a2ae5f93a81261c9

  • memory/1160-11-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1160-12-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1160-13-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2020-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

    Filesize

    4KB

  • memory/2020-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2020-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2020-10-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB