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
    27-11-2024 23:10

General

  • Target

    aa082fb51ba61505b2dbef4a7d947b75_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    aa082fb51ba61505b2dbef4a7d947b75

  • SHA1

    4ad3dfa13341665657615208dcca7777208f5fe1

  • SHA256

    ef04ff83df983f65de4195c93ab319de6130e93ce25b9ec9719dc0268612ad2d

  • SHA512

    e31769357ec47c160231569c4a888e9f3780969755530f6088655ced7d0bb292bf2c88034a7a20160bd56443ed0288699c18800340b0aa9df26b1ca3f6b68ebb

  • SSDEEP

    1536:kxqjQ+P04wsZLnDrCwHGAC66Ro/4iq3jZR:Rr8WDrCrP6pAiCr

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 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 9 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa082fb51ba61505b2dbef4a7d947b75_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aa082fb51ba61505b2dbef4a7d947b75_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\3582-490\aa082fb51ba61505b2dbef4a7d947b75_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\aa082fb51ba61505b2dbef4a7d947b75_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\C15C.tmp\NEWbxAIM.BAT" "
        3⤵
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2080
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoDesktop /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1148
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\RestrictRun /v 1 /t REG_DWORD /d C:\Windows\explorer.exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2760
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCUSoftwareMicrosoftWindowsCurrentVersionPoliciesSystem /v DisableTaskMgr /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1936
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Filel" /t REG_SZ /d "C:\Windows\system32\explorerr.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2884
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoControlPanel /t REG_DWORD /d 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2900
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im explorer.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    beb6dae71186da2adfa2e5671bcfd154

    SHA1

    2c520dfe3490772dfc6bbc2783c5114ca303d39d

    SHA256

    832b42331ca55ce423a4556827cfacdca82c6dbef771619a28b965ef5c62b815

    SHA512

    002423a98f74c7f1244fa9caa06e82cecec67d6bf2c721c7cfb7deaf5995e5ba89ff0ce19c9f5294f0fea608753afdac0c324f194e76c0cac4b835de38fcd09e

  • C:\Users\Admin\AppData\Local\Temp\C15C.tmp\NEWbxAIM.BAT

    Filesize

    27KB

    MD5

    ab1a10dbb485aa830585754845a8f961

    SHA1

    67e93271a28f584d346ed1cd830ad2ce88e483ad

    SHA256

    beba78e23ef00edae6ae998c45e7d68e4409de3ba68e336f84ec085419633f7e

    SHA512

    aefdf129400ff8129b95997f2b6469525c7fc55155ae3c32b54ffa9b433eaecdc384f21c7fbfab74f566050bcbe506aa80016a4ca1a57d327f65d8a783521f27

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\aa082fb51ba61505b2dbef4a7d947b75_JaffaCakes118.exe

    Filesize

    67KB

    MD5

    4cda2dd37404f434aac2a73714e2bcfb

    SHA1

    e8e42f8a4ec316feb1227a9905b9ea2eca4cbc7c

    SHA256

    0519ac1ea4371e137a3a97ab8d91e0c6c02950716f5d0b593926fb46a3425c58

    SHA512

    783e6d1528ee4b2b1667849358644dad00954041f0fc03eb8950ac8252c5d1a8db8992668fc989ab4bdd4f122a4867766dd867e1f823df778f1b3132ae15310c

  • memory/2372-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2372-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB