Analysis

  • max time kernel
    127s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 20:52

General

  • Target

    a82a567299027025e4278329500a7a15_JaffaCakes118.exe

  • Size

    335KB

  • MD5

    a82a567299027025e4278329500a7a15

  • SHA1

    4b1e84e392ebe11002ff5b172e2504a0c805f308

  • SHA256

    5ab41d070ea49c63034f0e13c5d45ed25a61f9bd0f0805997f7f41129030d57d

  • SHA512

    7fbb869368a7f58b8bb4211988dde576ba9c3a528e5d0cfa6ff01476ef8564213dda07ed4091b45e30caa7d524a95765c865c01226fc7f6d229ca960967f46d8

  • SSDEEP

    6144:qbnap5yXxC15Ir1kBgaNu6Wn01mqfEz2HNITPsEbRHr4UPLV4PJb0/kwkt24vVMX:S25yXxC0rKgaKnCT86yzHbRL4yV4hbSZ

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:336
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies WinLogon for persistence
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\a82a567299027025e4278329500a7a15_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a82a567299027025e4278329500a7a15_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Users\Admin\AppData\Local\cb4f2c37\X
        76.76.13.94:80
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2712
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1228
  • C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T /R
    1⤵
      PID:620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\cb4f2c37\@

      Filesize

      2KB

      MD5

      f442c142da64b8c2b825b616408637c9

      SHA1

      ec950d2c16dac4549496287c11f059e0b0b4726d

      SHA256

      409392e5905b8a54d1f5c6bdb141ffdde846e51c9309b4bf8ae3203339bfec77

      SHA512

      591b8187e24e5c4e839017442201569a35b924f7743b93ab04ae3ea67ba2e7c6b1b3d4cb6ed9b0bb8132c964df6c8878cd69d0c63ee214010302a51d17e64615

    • C:\Windows\system32\consrv.dll

      Filesize

      31KB

      MD5

      dafc4a53954b76c5db1d857e955f3805

      SHA1

      a18fa0d38c6656b4398953e77e87eec3b0209ef3

      SHA256

      c6c82dde145a2dd9d70b1b539b17571befb663fc4a9ca834ff2a140cc4ebaa0b

      SHA512

      745e27a4f952e2492dbd12ced396be2c7dc78344ba415ad64b45920f95d7a282e30c7ad2da9266dc195c71e38019809e8183a705f9276c7d178de2f5ef34b633

    • \Users\Admin\AppData\Local\cb4f2c37\X

      Filesize

      41KB

      MD5

      686b479b0ee164cf1744a8be359ebb7d

      SHA1

      8615e8f967276a85110b198d575982a958581a07

      SHA256

      fcfbb4c648649f4825b66504b261f912227ba32cbaabcadf4689020a83fb201b

      SHA512

      7ed8022e2b09f232150b77fc3a25269365b624f19f0b50c46a4fdf744eeb23294c09c051452c4c9dbb34a274f1a0bfc54b3ff1987ec16ae2e54848e22a97ed64

    • \systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

      Filesize

      2KB

      MD5

      4376f2a61d75efe469d1c79280d8bdba

      SHA1

      86c2dfb69068a8f9c9b4d41148b8fdd86ec26eb5

      SHA256

      cafe46f240ddbef74c6ca4e792a8ca39e2e2079a16b26f9c7a6d39c1b2049c84

      SHA512

      a9571d3fba8732e27e0856ab9c5d221674baf1ba55fb42ff85ae9a8d665cc8267b11bb0b794113e2c63ab23948b925ef775dd8ab528bc756f5e4955ca8066c16

    • memory/336-16-0x0000000002530000-0x0000000002531000-memory.dmp

      Filesize

      4KB

    • memory/336-19-0x0000000002560000-0x000000000256C000-memory.dmp

      Filesize

      48KB

    • memory/336-18-0x0000000002560000-0x000000000256C000-memory.dmp

      Filesize

      48KB

    • memory/336-21-0x0000000002530000-0x0000000002531000-memory.dmp

      Filesize

      4KB

    • memory/1188-42-0x0000000002930000-0x000000000293B000-memory.dmp

      Filesize

      44KB

    • memory/1188-32-0x00000000020B0000-0x00000000020B8000-memory.dmp

      Filesize

      32KB

    • memory/1188-46-0x0000000002930000-0x000000000293B000-memory.dmp

      Filesize

      44KB

    • memory/1188-37-0x0000000002920000-0x000000000292B000-memory.dmp

      Filesize

      44KB

    • memory/1188-33-0x0000000002920000-0x000000000292B000-memory.dmp

      Filesize

      44KB

    • memory/1188-41-0x0000000002920000-0x000000000292B000-memory.dmp

      Filesize

      44KB

    • memory/1772-9-0x00000000003C0000-0x00000000003ED000-memory.dmp

      Filesize

      180KB

    • memory/1772-20-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/1772-6-0x00000000003C0000-0x00000000003ED000-memory.dmp

      Filesize

      180KB

    • memory/1772-3-0x00000000003C0000-0x00000000003ED000-memory.dmp

      Filesize

      180KB

    • memory/1772-1-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/1772-45-0x0000000000400000-0x000000000045D928-memory.dmp

      Filesize

      374KB

    • memory/1772-12-0x0000000000400000-0x000000000045D928-memory.dmp

      Filesize

      374KB

    • memory/1772-49-0x0000000000400000-0x000000000045D928-memory.dmp

      Filesize

      374KB

    • memory/1772-50-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/1772-2-0x0000000000400000-0x000000000045D928-memory.dmp

      Filesize

      374KB