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Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 01:58

General

  • Target

    f980c50adc2991c839cc5503312c5c20_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    f980c50adc2991c839cc5503312c5c20

  • SHA1

    c099a733b74856cd4b7d58e47e8dc9c9c6cc9bf8

  • SHA256

    1600776eae25799fcf9dc16ff40b318268c8e047cc54b8d722feffdd715878ad

  • SHA512

    4e5efff397b35d492ef3edf0f402665710eab6f01643ba896741d11b7165f22eef70b357a265686099bd7d2f6a6d9e4bc5180477d59af7e523b3adb046cff7c0

  • SSDEEP

    24576:P0kV0aqnhMH1NyxOA+obMOf15BIt+/YqYFKqNTZrim7buQnqQM3:PZSaqhMyFlNf1LItzFKarlWQ

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 11 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 47 IoCs
  • Modifies registry class 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f980c50adc2991c839cc5503312c5c20_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f980c50adc2991c839cc5503312c5c20_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Windows\SysWOW64\EhStorShell32.exe
      "C:\Windows\system32\EhStorShell32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Users\Admin\AppData\Roaming\SysWin\lsass.exe
        "C:\Users\Admin\AppData\Roaming\SysWin\lsass.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2292
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\system32\netsh.exe" advfirewall firewall add rule name="Windows Update Service" dir=in action=allow program="c:\windows\syswow64\wiashext32.exe" enable=yes profile=domain
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2804
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\system32\netsh.exe" advfirewall firewall add rule name="Windows Update Service" dir=in action=allow program="c:\windows\syswow64\wiashext32.exe" enable=yes profile=private
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2792
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\system32\netsh.exe" advfirewall firewall add rule name="Windows Update Service" dir=in action=allow program="c:\windows\syswow64\wiashext32.exe" enable=yes profile=public
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 540
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2908
  • C:\Windows\SysWOW64\wiashext32.exe
    C:\Windows\SysWOW64\wiashext32.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\ProgramData\EhStorShell32.exe
      schutz
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\976231626

    Filesize

    21B

    MD5

    bda894aeb8fcfaf7614313411a4e9a26

    SHA1

    1ff2ba0170d834fbc9f0f57ecd74e4b36187a83d

    SHA256

    3b37cde388622d2a1cbce34d9e680d37bafb06c22305ad67d263bbe497ea0e87

    SHA512

    c04776a757a3653fbc9e3b18177601c6456efb7b96351b938f45ab822b8e7f048900379419f9a79222021705773d34b7ae0e602282d2c36a1739161ca512067f

  • C:\Windows\SysWOW64\976231626

    Filesize

    109B

    MD5

    82fffc0eb616444d4333e880b75f12b8

    SHA1

    c7106599c888b5836f2658713ab2e3e34b778284

    SHA256

    6fe69570382668019899fada17255c550b79081fb9c987eef981f9f02465d994

    SHA512

    ed7387aeefe00d5819a8c18db97fe5fa1be9fa4ab04ded28fd48cdec959e71f53e52e08eed74ec9f86a0aa18e370e0c507ad93d84908068864f08b20f74bf896

  • C:\Windows\SysWOW64\wiashext32.exe

    Filesize

    1.3MB

    MD5

    f980c50adc2991c839cc5503312c5c20

    SHA1

    c099a733b74856cd4b7d58e47e8dc9c9c6cc9bf8

    SHA256

    1600776eae25799fcf9dc16ff40b318268c8e047cc54b8d722feffdd715878ad

    SHA512

    4e5efff397b35d492ef3edf0f402665710eab6f01643ba896741d11b7165f22eef70b357a265686099bd7d2f6a6d9e4bc5180477d59af7e523b3adb046cff7c0

  • \ProgramData\api-ms-win-core-localization-l1-2-032.dll

    Filesize

    239KB

    MD5

    af936fcf251ca2a2597a7cf62f703ef0

    SHA1

    a0f274563ef9544d35db91a0bc55d36a6e0ba780

    SHA256

    fcf2d77d7f1f407d97cb1ac018aec550c305b737c47c2c43e5c62eee15e186ba

    SHA512

    54c5d45f65fa75053bdd88c22206bccfb6fa93e0b6031310e5f3de18059ed5ed529c9a3bac92ca868df6214870117ca77574d9899c393c81695b5f749408e83e

  • \Windows\SysWOW64\EhStorShell32.exe

    Filesize

    168KB

    MD5

    6dc6679778c62af0bec85a4e1c80c207

    SHA1

    a540090ddcf9ca23774b24e040ef11d526693c47

    SHA256

    52896e02f8966ce7cdd7cae6097584c5988fe47c30cadfe355fe555709bbadff

    SHA512

    ef11d29c47fb51cf29dd382ecdf1f0e946b9c88d614d813342c08fc73a2fab01668882c90d72d9c87c80c2832af42f5b7412036ae9c5e3d24ece3464dd544b98

  • \Windows\SysWOW64\api-ms-win-core-localization-l1-2-032.dll

    Filesize

    392KB

    MD5

    19fe1beec2b852c3077d5df36ee6d499

    SHA1

    464b3620b179d2501011527d4f9759c94bb876e9

    SHA256

    7a874fa1037f56d78d60f86e499844220cc857a90416cb2c906248266a0a64e4

    SHA512

    3d346b537c3870e58c301f87e58bf6693340093e8f7e0e0879bf09cab35768d27d9946f1359eda54569ca4a5524a41215f95ebbe8d661081f996c419d937e3b1

  • memory/376-1-0x0000000000400000-0x0000000000549000-memory.dmp

    Filesize

    1.3MB

  • memory/376-79-0x0000000000400000-0x0000000000549000-memory.dmp

    Filesize

    1.3MB

  • memory/376-78-0x0000000000290000-0x00000000002D0000-memory.dmp

    Filesize

    256KB

  • memory/376-0-0x0000000000550000-0x000000000063F000-memory.dmp

    Filesize

    956KB

  • memory/376-7-0x0000000000290000-0x00000000002D0000-memory.dmp

    Filesize

    256KB

  • memory/376-8-0x000000001005A000-0x0000000010085000-memory.dmp

    Filesize

    172KB

  • memory/376-77-0x0000000000550000-0x000000000063F000-memory.dmp

    Filesize

    956KB

  • memory/376-9-0x0000000010000000-0x0000000010086000-memory.dmp

    Filesize

    536KB

  • memory/376-5-0x0000000010000000-0x0000000010086000-memory.dmp

    Filesize

    536KB

  • memory/404-83-0x0000000000400000-0x0000000000549000-memory.dmp

    Filesize

    1.3MB

  • memory/2292-75-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2292-84-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2740-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2740-25-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2740-24-0x0000000000220000-0x000000000024C000-memory.dmp

    Filesize

    176KB

  • memory/2860-33-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2860-81-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2860-80-0x0000000000400000-0x0000000000549000-memory.dmp

    Filesize

    1.3MB

  • memory/2860-87-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2860-102-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB