Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 20:12

General

  • Target

    JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe

  • Size

    389KB

  • MD5

    7b8ca19e8b7133aa8de06bc67e686330

  • SHA1

    f347e1868be50a71042d9498955bc9ce48fef47a

  • SHA256

    3e38444ba9e9764335fa316410b7261f1f672e51178b3ce87f3cee7fb60e469b

  • SHA512

    b4fd99b080d780d127e9384b52f78e309a4efd38aaa870f8fb52ca896db4c3c12cc581aac11a75ff8de8ddade43dffc76e38b99b8623fbda906bfcb637d6de62

  • SSDEEP

    6144:JtEVpyJD+zjjSKDCmSam8xOPC4sOwMrSWtDYR3x0/9Yz1i:JtEVpyJyzjjJ4aBmCQr50uF

Malware Config

Signatures

  • ISR Stealer

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

  • ISR Stealer payload 4 IoCs
  • Isrstealer family
  • Detected Nirsoft tools 4 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • Executes dropped EXE 23 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 7 IoCs
  • Suspicious use of SetThreadContext 26 IoCs
  • UPX packed file 19 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).

  • System Location Discovery: System Language Discovery 1 TTPs 29 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\DLjeGCJi2M.ini"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2836
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\chZX4cDepD.ini"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:1980
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lanhost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lanhost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2260
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\1sGeZVl9DG.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1080
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\kECwxcDhYR.ini"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1324
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lanhost.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lanhost.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:444
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:552
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\l2Vh2F2tNj.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2176
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\91nITKGviU.ini"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1496
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2224
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\3W5uYI8m5O.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3000
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\ve8Zm40j9d.ini"
            5⤵
            • Executes dropped EXE
            PID:2812
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2792
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\k3ehj7bcs8.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2864
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\ZNqlCn0KeK.ini"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1712
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1992
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\Be5imezU7s.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:564
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\rLRRpzBVyf.ini"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:2776
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1044
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\uyaqRRLMre.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2552
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\7WBWg5tR1y.ini"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1680
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:936
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\jlW9D6PzNq.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2428
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\hASrV1IN7t.ini"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1908
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b8ca19e8b7133aa8de06bc67e686330.exe
        /scomma "C:\Users\Admin\AppData\Local\Temp\OgeF4Ao33N.ini"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DLjeGCJi2M.ini

    Filesize

    5B

    MD5

    d1ea279fb5559c020a1b4137dc4de237

    SHA1

    db6f8988af46b56216a6f0daf95ab8c9bdb57400

    SHA256

    fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

    SHA512

    720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\dpiss.exe

    Filesize

    389KB

    MD5

    7b8ca19e8b7133aa8de06bc67e686330

    SHA1

    f347e1868be50a71042d9498955bc9ce48fef47a

    SHA256

    3e38444ba9e9764335fa316410b7261f1f672e51178b3ce87f3cee7fb60e469b

    SHA512

    b4fd99b080d780d127e9384b52f78e309a4efd38aaa870f8fb52ca896db4c3c12cc581aac11a75ff8de8ddade43dffc76e38b99b8623fbda906bfcb637d6de62

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\lanhost.exe

    Filesize

    11KB

    MD5

    fc2e803e85d0c50ab6227dd79340f205

    SHA1

    122bf356ce10cb75d0a6b86ae921b9abc746487c

    SHA256

    6c8da53dd540f6ba029cf855d7f4e150e8fce2f43fe95e919e2205a299a1736b

    SHA512

    8e085f425478af443baa3d56770028ac6cd70c64e09123902f134771d5dea6bf7cb989ae83734eaa9aa43ac991e8b487376a2bcee5ed3dd3d429de10c4a19ea9

  • memory/552-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1080-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1080-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1240-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-0-0x0000000074541000-0x0000000074542000-memory.dmp

    Filesize

    4KB

  • memory/1240-59-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-3-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1324-91-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1324-90-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1496-112-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1496-113-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1772-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1908-55-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1908-56-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1980-40-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1980-41-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1980-39-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2148-37-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2148-42-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2148-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2148-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2148-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2148-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2148-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2260-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2284-30-0x0000000000560000-0x00000000005A0000-memory.dmp

    Filesize

    256KB

  • memory/2284-38-0x0000000000560000-0x00000000005A0000-memory.dmp

    Filesize

    256KB

  • memory/2836-21-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-19-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-22-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-23-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2836-35-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2900-62-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2900-61-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB