Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2024, 23:14

General

  • Target

    83ef0fe938365af28546abd716308328_JaffaCakes118.exe

  • Size

    646KB

  • MD5

    83ef0fe938365af28546abd716308328

  • SHA1

    a9da57143fc395c6189d3c2b7c1a7b0ec8dde75b

  • SHA256

    ae618985c729b9ad6e92003da13da3a34b31d25763b53954c5e811ba4d84fd92

  • SHA512

    2640978ac737f7c5d3e37859f5183feaa3eb6248ebd686a128c473504ac2dd869bb2f500897cde95fc171626ce5b8f2bd0dbf05da6209d66cd9be16e03030d57

  • SSDEEP

    12288:zQAGmRXONMwbytVvu/j5u8a9iU/YFOFD+dW+fVJbQyXcOPAI0u:zgUOnaVvulnGDBkVJbZPAu

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 20 IoCs

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 42 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 9 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83ef0fe938365af28546abd716308328_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83ef0fe938365af28546abd716308328_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.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:1728
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\offc.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2452
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\mess.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2892
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\mail.dat"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2596
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\dial.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2976
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\chro.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2908
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\iexp.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2668
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\ptsg.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2416
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\ffox.dat"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\dial.dat

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\offc.dat

    Filesize

    1KB

    MD5

    f9d09cf53cb7dfe8e8e88a0ea70d683f

    SHA1

    b98ce83f8a4826b3a02dcbf40c054826320b247b

    SHA256

    5e75f0aaba4c9a8bbda3e6ce8dfa5bae06f7a255ef04fd9660b64171126c9089

    SHA512

    f8eaa66ab2dac0aed7c28c50386a850a39664ada1bc444fb71a272c46ad5d1eae6255c5fa357c28f6d0aeddc716832a9e25e8076bcc5596940a559943a235b15

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

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • memory/688-98-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/688-96-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/688-99-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/688-101-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1728-15-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-24-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-10-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-12-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1728-18-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-23-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-9-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-105-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-104-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/1728-39-0x0000000000400000-0x00000000005E7000-memory.dmp

    Filesize

    1.9MB

  • memory/2416-93-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2416-90-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2416-92-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2452-29-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2452-32-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2452-33-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2452-37-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2540-3-0x0000000074900000-0x0000000074EAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-2-0x0000000074900000-0x0000000074EAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-1-0x0000000074900000-0x0000000074EAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-0-0x0000000074901000-0x0000000074902000-memory.dmp

    Filesize

    4KB

  • memory/2540-42-0x0000000074900000-0x0000000074EAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-41-0x0000000074900000-0x0000000074EAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2596-56-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2596-58-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2596-52-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2596-57-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2596-55-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2668-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2668-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2668-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2668-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2668-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2892-48-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2892-47-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2892-46-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2892-43-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2892-49-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2908-73-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2908-71-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2908-74-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2908-75-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2908-79-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2976-61-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2976-67-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2976-65-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2976-64-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2976-63-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB