Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 14:48

General

  • Target

    e2bcb03f71902945d00c6ba97d91ecb1_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    e2bcb03f71902945d00c6ba97d91ecb1

  • SHA1

    074ae4743c0dc9996a58ae0cb6e66bfd12577c4e

  • SHA256

    4dbb1e50e56ab5e6f8053fbed26c7c8315b38d4b77ee61e8d469836c6024112e

  • SHA512

    a0507116a71b0a91876aa87bcea667c0a181797cb1dbbcaec4c2492ed9d356bb3f0e8c60db742605f4f4d64979d5129f0e3ce72129b93a28db091f91da6e3ff2

  • SSDEEP

    6144:7/m9kF4LhB959Ak24Fa8yVRasuSuvfQ1dskAsaJraBCDorAB:bfFWB9bpFatVMPfgsVpraB

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 4 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Deletes itself 1 IoCs
  • UPX packed file 5 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2bcb03f71902945d00c6ba97d91ecb1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e2bcb03f71902945d00c6ba97d91ecb1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\7VWRS1dN3D.ini"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2760
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\e2bcb03f71902945d00c6ba97d91ecb1_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7VWRS1dN3D.ini

    Filesize

    5B

    MD5

    d1ea279fb5559c020a1b4137dc4de237

    SHA1

    db6f8988af46b56216a6f0daf95ab8c9bdb57400

    SHA256

    fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

    SHA512

    720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

  • memory/2296-31-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2296-27-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2296-4-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2296-11-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2296-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2296-7-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2296-5-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2760-16-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2760-19-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2760-20-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2760-21-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2760-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2760-24-0x0000000000460000-0x00000000004C7000-memory.dmp

    Filesize

    412KB

  • memory/3024-22-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/3024-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

    Filesize

    4KB

  • memory/3024-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/3024-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB