Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 15:59

General

  • Target

    edf0a3c05c3d37ea794153d51022524b_JaffaCakes118.exe

  • Size

    3.2MB

  • MD5

    edf0a3c05c3d37ea794153d51022524b

  • SHA1

    821ec3c1e69ebe493f810660958bfe97f48b6d12

  • SHA256

    1d82737a80016f0c598b58be9842a834b39c1f21a31d3a4882202d44275a3afb

  • SHA512

    be2c697706274d4fb1eaa755263c7a04412763a1f3d1ce1b216f8fd7f61e3973456bf056af3a43db898dae2a7dba1a7b5da85687fab9e84a2879380bca60e32e

  • SSDEEP

    24576:vjx1BlBdVF7WfWYKjl32hUnXHjA3h3qeVF9NLqnCQ9YzfuI1M3zJTaYG0rP/2jzZ:vv7PYrU3MRrX9NLA9YN1M7G0e4/YfT

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edf0a3c05c3d37ea794153d51022524b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edf0a3c05c3d37ea794153d51022524b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
        PID:2084
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2172
        • C:\Windows\SysWOW64\OTNHBA\NJK.exe
          "C:\Windows\system32\OTNHBA\NJK.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\OTNHBA\AKV.exe

      Filesize

      490KB

      MD5

      21f362e0d289ba822e526fced424c1f2

      SHA1

      21118c5c57264eb48a0fde577ec06d4cb07a404c

      SHA256

      7c561dea779006b50d5befeef48a965dbef1c3b807983bb6411adf27a8c87779

      SHA512

      349459969f00fc06e5cc9479d1e0860b371170ac787bcab03c46e27d3bec7f909d22c8ee76d3e6f75e43a8f73a074a8cf3021a87a86fedcc7af611ea41346399

    • C:\Windows\SysWOW64\OTNHBA\NJK.001

      Filesize

      61KB

      MD5

      93c2eac6b4d476a04730266ec1523f8a

      SHA1

      d53544650a95769d90c89fa90039399cb8d7e054

      SHA256

      898d4ed4dc6b52db670bf57bd859ae6e1c25230b28a69e7d0e548bae6941cba8

      SHA512

      9dc516552c08af9600ebabb025bfed1b9a8f16aafbf1cb7530af7254847264399a118a3bbf980e54ad01542fb4c0df55699d207ac44d85bd0eb94067b1a0bae0

    • C:\Windows\SysWOW64\OTNHBA\NJK.002

      Filesize

      44KB

      MD5

      92fc2d978e3dcc66dbbe6ddde516dd75

      SHA1

      2e31d1a209193872fc7f494274b17f582bb137c0

      SHA256

      a89bebf2e88c1055b1d38bb715a7efeef93c18d5ec1d32a171ae354ccba4087c

      SHA512

      50d859f3abaf2d2bcf563a0bf0f47b3be0d1ea0f345fc69f5c9a3635d359798c068e4516803c7b8bd0a61b01b3bb1ece0a4703a278144acfa877311317a959ba

    • C:\Windows\SysWOW64\OTNHBA\NJK.004

      Filesize

      1KB

      MD5

      0a569dca13d49af293f0fdbfaf53b81c

      SHA1

      18debfdcdfdff2f42b2bf33cd2726735715acfd6

      SHA256

      b92fb65db884007fc3e8e09bb7a3f78357068c96ef2b2b53e6a82a8c20936b05

      SHA512

      7579f9c87ac636cdd8e31d5a6cd6a0f0d5163c87c211acd5bac8383be58ad4f9352a5837150ee96499f7f0c15bb547bc7beef384a11b29496dd72049e3aa5f10

    • \Windows\SysWOW64\OTNHBA\NJK.exe

      Filesize

      1.7MB

      MD5

      851f20b20b52b01ee3e1000c89b47c93

      SHA1

      f46b94a834d6ba980b096747d725bd975d5d0dbc

      SHA256

      10b92386e4d23ae4fecbe8f5114bf494cf6012d379a1dd694b5130d5900e7651

      SHA512

      0eedbd7be28f504c87308552c780b9597d19b9cf220e3995f0d6f351ce21cf2a16f9969d4ed22170151373b5e0c8b9fa62b5b3feb7ecf335606d5d0e7ca6761e

    • memory/2172-21-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2172-10-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-8-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-14-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-29-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-7-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-5-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-11-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-16-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2172-3-0x0000000000400000-0x0000000000532000-memory.dmp

      Filesize

      1.2MB

    • memory/2180-38-0x0000000000400000-0x00000000005C1000-memory.dmp

      Filesize

      1.8MB

    • memory/2180-39-0x0000000000400000-0x00000000005C1000-memory.dmp

      Filesize

      1.8MB

    • memory/2236-0-0x0000000074791000-0x0000000074792000-memory.dmp

      Filesize

      4KB

    • memory/2236-2-0x0000000074790000-0x0000000074D3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2236-1-0x0000000074790000-0x0000000074D3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2236-31-0x0000000074790000-0x0000000074D3B000-memory.dmp

      Filesize

      5.7MB