Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-06-2024 20:37

General

  • Target

    03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe

  • Size

    45KB

  • MD5

    03cb57011a5d97ea77106542e0b52fa6

  • SHA1

    be45b9a381941b78abc74cb3589c04a13bd81761

  • SHA256

    3cd2b93b5e1a87261fc6ac3f0a424ceb3cdf7bd967cbe9c23282743bcb143e19

  • SHA512

    631fa33611753b1a71f57c73e10b7eaa7e87699c58a2df2af26bb0b1afc59f91c49764ca7528d2c9c039245efd3886f14cfaa61b49edf0644bbb2f1db186f78a

  • SSDEEP

    768:BapD+Zwq3r1uFbaYh+Jnq7az+xRug+n2hpUE+fDNkQp6HwfYT4X9b1S5HeQMKz:BgD+HZuY5q7az+GgDbUfZkQTfA4Xl1SB

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

B HAT

Mutex

1fcb8fb3a4794ae29f1b8ef01d138a35

Attributes
  • reg_key

    1fcb8fb3a4794ae29f1b8ef01d138a35

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

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

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

  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\cr.exe
      "C:\Users\Admin\AppData\Local\Temp\cr.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\cr.exe

    Filesize

    39KB

    MD5

    439fdb0ea7684930d847a93836493e62

    SHA1

    2224ae4623be5566c764447ed63883bf9c191b83

    SHA256

    b59a407d6063dec7b0590e8bc38f8671f2407f03316433217a3cc175b926efbd

    SHA512

    1bd6ceeda3e5240ba9c980a54f923963fc6a01f4183026ad882510117019c38877015bbb115a1d71819eddbcf9c72a0b1434ebcdbbe1d2cbca6d9e14650f86ec

  • memory/1932-0-0x000000007406E000-0x000000007406F000-memory.dmp

    Filesize

    4KB

  • memory/1932-1-0x00000000003E0000-0x00000000003F2000-memory.dmp

    Filesize

    72KB

  • memory/2120-9-0x0000000000310000-0x0000000000320000-memory.dmp

    Filesize

    64KB

  • memory/2120-10-0x00000000002E0000-0x00000000002EC000-memory.dmp

    Filesize

    48KB

  • memory/2120-11-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-12-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-13-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-14-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB