Analysis

  • max time kernel
    141s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 23:43

General

  • Target

    JaffaCakes118_7d42677fc239c680072d15890a8c5410.exe

  • Size

    993KB

  • MD5

    7d42677fc239c680072d15890a8c5410

  • SHA1

    3f35ba4c1dc548cd34c95e136cbfe0b8cfada3e8

  • SHA256

    ecf14ffceb6140d4be7e16f0a5f622bd18177a285a44fa0d8e35aad56c63767e

  • SHA512

    3d2d0858fa329eb59c9e8f99627e1a37f1b59c5a75a901cceae88b002d3f0d2c259843141c07929667ed2c257d122857dac28fb78e25e02ed178bee8e573cc31

  • SSDEEP

    24576:enyoo5DoPjLc4v0O9UBpBApdhnTQ08FahVGnB8H:envj0QXdhnTQ08FainU

Malware Config

Signatures

  • ISR Stealer

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

  • ISR Stealer payload 6 IoCs
  • Isrstealer family
  • Detected Nirsoft tools 8 IoCs

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

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 34 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 1 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • UPX packed file 32 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 9 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d42677fc239c680072d15890a8c5410.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d42677fc239c680072d15890a8c5410.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\keygen.exe
      "C:\Users\Admin\AppData\Local\Temp\keygen.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:636
    • C:\Users\Admin\AppData\Local\Temp\c.exe
      "C:\Users\Admin\AppData\Local\Temp\c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Users\Admin\AppData\Local\Temp\c.exe
        "C:\Users\Admin\AppData\Local\Temp\c.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2928
      • C:\Users\Admin\AppData\Local\Temp\c.exe
        "C:\Users\Admin\AppData\Local\Temp\c.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Users\Admin\AppData\Local\Temp\c.exe
          "C:\Users\Admin\AppData\Local\Temp\c.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2412
          • C:\Users\Admin\AppData\Local\Temp\c.exe
            "C:\Users\Admin\AppData\Local\Temp\c.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:2996
          • C:\Users\Admin\AppData\Local\Temp\c.exe
            "C:\Users\Admin\AppData\Local\Temp\c.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1720
          • C:\Users\Admin\AppData\Local\Temp\c.exe
            "C:\Users\Admin\AppData\Local\Temp\c.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\c.exe

    Filesize

    941KB

    MD5

    732a902d8e4c99ec011e54568bff180e

    SHA1

    0650d5bec1c983c1fdfa302ef39fe7bd95ca46c8

    SHA256

    867b485a107f98d9beb1100921716321c575c1aeffb673aa3af56f28e873fbec

    SHA512

    f9ebb40e915c4a950afce59830a6f81df0266c7333ae7b250af595d1b5612ba0f55806998892507c290391481580f2f7ce7df85f37344848ff527060a542d85d

  • \Users\Admin\AppData\Local\Temp\keygen.exe

    Filesize

    42KB

    MD5

    18a24fcdcd61db7931c2dbd133022e4a

    SHA1

    7113229040e1a7405c5165c72753ac295c9f0cba

    SHA256

    4e0bb0b5faa17f86524919b323f178b64ac52dc1a852f76f6a8c4f8cc8ea2916

    SHA512

    68166e62d9da3cd082e49a44ddda82c2b6f6adeabfa385519bf4a1dd558c7d566df672650b066b7741e5d256b633ddd9f3be0cc35c9157064520ab94891bfc90

  • memory/636-157-0x0000000000020000-0x0000000000038000-memory.dmp

    Filesize

    96KB

  • memory/636-13-0x0000000000B00000-0x0000000000B18000-memory.dmp

    Filesize

    96KB

  • memory/636-106-0x0000000000B00000-0x0000000000B18000-memory.dmp

    Filesize

    96KB

  • memory/636-18-0x0000000000020000-0x0000000000038000-memory.dmp

    Filesize

    96KB

  • memory/1144-35-0x0000000000D50000-0x0000000001060000-memory.dmp

    Filesize

    3.1MB

  • memory/1144-76-0x0000000003320000-0x0000000003630000-memory.dmp

    Filesize

    3.1MB

  • memory/1144-32-0x0000000000400000-0x0000000000710000-memory.dmp

    Filesize

    3.1MB

  • memory/1144-34-0x0000000000D50000-0x0000000001060000-memory.dmp

    Filesize

    3.1MB

  • memory/1144-107-0x0000000000400000-0x0000000000710000-memory.dmp

    Filesize

    3.1MB

  • memory/1144-89-0x0000000003320000-0x0000000003630000-memory.dmp

    Filesize

    3.1MB

  • memory/1636-181-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1636-178-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1636-195-0x0000000000C60000-0x0000000000F70000-memory.dmp

    Filesize

    3.1MB

  • memory/1636-196-0x0000000000C60000-0x0000000000F70000-memory.dmp

    Filesize

    3.1MB

  • memory/1636-197-0x0000000000C60000-0x0000000000F70000-memory.dmp

    Filesize

    3.1MB

  • memory/1636-194-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1636-205-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1636-183-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1720-176-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-169-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-166-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-177-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-192-0x0000000000D40000-0x0000000001050000-memory.dmp

    Filesize

    3.1MB

  • memory/1720-191-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-172-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-210-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1720-193-0x0000000000D40000-0x0000000001050000-memory.dmp

    Filesize

    3.1MB

  • memory/2344-165-0x00000000025A0000-0x00000000028B0000-memory.dmp

    Filesize

    3.1MB

  • memory/2344-10-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/2344-9-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/2344-30-0x00000000025A0000-0x00000000028B0000-memory.dmp

    Filesize

    3.1MB

  • memory/2412-159-0x0000000000D90000-0x00000000010A0000-memory.dmp

    Filesize

    3.1MB

  • memory/2412-140-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-117-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-119-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-121-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-129-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-123-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-125-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-160-0x0000000001F00000-0x0000000002210000-memory.dmp

    Filesize

    3.1MB

  • memory/2412-127-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-158-0x0000000000D90000-0x00000000010A0000-memory.dmp

    Filesize

    3.1MB

  • memory/2412-132-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-161-0x0000000001EA0000-0x00000000021B0000-memory.dmp

    Filesize

    3.1MB

  • memory/2412-156-0x0000000000D90000-0x00000000010A0000-memory.dmp

    Filesize

    3.1MB

  • memory/2412-134-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-138-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-139-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2412-141-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2780-199-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-102-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-213-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-155-0x0000000002960000-0x0000000002C70000-memory.dmp

    Filesize

    3.1MB

  • memory/2780-101-0x0000000000DB0000-0x00000000010C0000-memory.dmp

    Filesize

    3.1MB

  • memory/2780-104-0x0000000000DB0000-0x00000000010C0000-memory.dmp

    Filesize

    3.1MB

  • memory/2780-207-0x0000000002960000-0x0000000002C70000-memory.dmp

    Filesize

    3.1MB

  • memory/2780-98-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-82-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-84-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-86-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-103-0x0000000000DB0000-0x00000000010C0000-memory.dmp

    Filesize

    3.1MB

  • memory/2780-91-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-92-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2780-94-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2928-61-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-105-0x00000000009F0000-0x0000000000D00000-memory.dmp

    Filesize

    3.1MB

  • memory/2928-100-0x00000000009F0000-0x0000000000D00000-memory.dmp

    Filesize

    3.1MB

  • memory/2928-71-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-90-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-64-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-88-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-99-0x00000000009F0000-0x0000000000D00000-memory.dmp

    Filesize

    3.1MB

  • memory/2928-57-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-115-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-59-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2928-81-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2996-149-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2996-164-0x0000000000A50000-0x0000000000D60000-memory.dmp

    Filesize

    3.1MB

  • memory/2996-163-0x0000000000A50000-0x0000000000D60000-memory.dmp

    Filesize

    3.1MB

  • memory/2996-162-0x0000000000A50000-0x0000000000D60000-memory.dmp

    Filesize

    3.1MB

  • memory/2996-146-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2996-143-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2996-154-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB