Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 07:53

General

  • Target

    fece8fc8d0c5585ed10ab38fd8cb0cfb_JaffaCakes118.exe

  • Size

    166KB

  • MD5

    fece8fc8d0c5585ed10ab38fd8cb0cfb

  • SHA1

    af83e889efb68fff718ec43c77a00ec50792c29b

  • SHA256

    3a0760b22a4c41c167a22a2fe172788be21016fb7f4cca680191e5c8369456d4

  • SHA512

    e7115c77946d4b63a1ab15a7b18f105e3765ae57d7caef36bd2b2050f5c054e35a13ec4c2a68df0236122a92f7cdc1474ad52e2a9385fd1019b3de443c4aa21d

  • SSDEEP

    3072:NXskhzns5regbY1NElmWZNH2j5DlMDYOs5amxUPGSr:NXskTkregbPlmWLa3MvsgmieS

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

4

C2

rlawlsl154.codns.com:443

Mutex

a695e871b7f2f081334e678e67df6a28

Attributes
  • reg_key

    a695e871b7f2f081334e678e67df6a28

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fece8fc8d0c5585ed10ab38fd8cb0cfb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fece8fc8d0c5585ed10ab38fd8cb0cfb_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\fece8fc8d0c5585ed10ab38fd8cb0cfb_JaffaCakes118.exe" "fece8fc8d0c5585ed10ab38fd8cb0cfb_JaffaCakes118.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:1768

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • F:\svchost.exe

          Filesize

          166KB

          MD5

          fece8fc8d0c5585ed10ab38fd8cb0cfb

          SHA1

          af83e889efb68fff718ec43c77a00ec50792c29b

          SHA256

          3a0760b22a4c41c167a22a2fe172788be21016fb7f4cca680191e5c8369456d4

          SHA512

          e7115c77946d4b63a1ab15a7b18f105e3765ae57d7caef36bd2b2050f5c054e35a13ec4c2a68df0236122a92f7cdc1474ad52e2a9385fd1019b3de443c4aa21d

        • memory/2120-0-0x00000000000C0000-0x00000000000F2000-memory.dmp

          Filesize

          200KB

        • memory/2120-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

          Filesize

          6.9MB

        • memory/2120-2-0x00000000003A0000-0x00000000003B0000-memory.dmp

          Filesize

          64KB

        • memory/2120-12-0x0000000004740000-0x0000000004780000-memory.dmp

          Filesize

          256KB

        • memory/2120-13-0x0000000074840000-0x0000000074F2E000-memory.dmp

          Filesize

          6.9MB

        • memory/2120-14-0x0000000004740000-0x0000000004780000-memory.dmp

          Filesize

          256KB