Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 00:29

General

  • Target

    44ee3154f12827d1273221bb3b62fa69_JaffaCakes118.exe

  • Size

    3.2MB

  • MD5

    44ee3154f12827d1273221bb3b62fa69

  • SHA1

    9c25d06cea35b2395808cb7f47517ac53aebd68f

  • SHA256

    5952aad5fe80e49a2bf5657aef45442e565f073a3d71eee7777d81ab34cb2214

  • SHA512

    9e1de83ce38353f4aae3c6dfd5cd1fa0a959b8691243d2bf791ef63bb397576af224025984db07d3901b852388c82e2a1e70e7ead7e7166dcacb2a5c5101e359

  • SSDEEP

    49152:t84/Z7nq6dHRK7mGnJ6m+ODJZQ4HtJzHDu0i0mSN/UjoUXx+ppxXGG4nmAv:tpQER0skDE8tJzHDuImSNmMWJl

Malware Config

Signatures

  • Detects Echelon Stealer payload 2 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks installed software on the system 1 TTPs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44ee3154f12827d1273221bb3b62fa69_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\44ee3154f12827d1273221bb3b62fa69_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe
      "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe
        "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2384
        • C:\Users\Admin\AppData\Local\Temp\Crypt.exe
          "C:\Users\Admin\AppData\Local\Temp\Crypt.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2724
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2724 -s 916
            5⤵
              PID:1260

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.0MB

      MD5

      0088abee944713ab183c41f3a2b07ea8

      SHA1

      ea027d6de4b2feebfb35b4ebde88cdaab6d6e744

      SHA256

      8ce4be0ab67c82e4f9023bbea4228430e56ef9ac133d377d75ecf2be75045111

      SHA512

      98c88b5f4d4b30f922fbd219da691842649e7aa39eeac65a8b21ad0bdd9437ace260bdf744910690b3d004fda16f1f267f78c307741526e8ba6bde3558f4c64d

    • \Users\Admin\AppData\Local\Temp\UltraHook newe.exe

      Filesize

      1.0MB

      MD5

      35c69ab07ba4fd97cb23a0351d7293b6

      SHA1

      65c3a14d30364f80ebda6cd1b83c6f9633291c35

      SHA256

      f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c

      SHA512

      072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70

    • \Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe

      Filesize

      1.3MB

      MD5

      06670ce4174643ad43c413115c8fde00

      SHA1

      6b7ecb0a6c058d6bd008121478178847bfa59b9b

      SHA256

      af4b0b4e4184e5283032f0b141bd2aac39241624471888061bd6cfe661ff24fc

      SHA512

      ef119712659b877f65310635552898c2518aae66a7e836db5ef699ec52ca21f95e040547f40175a0f9f0329aead206c800d7b6756e78e61321564d45d6ec3dc1

    • memory/2384-36-0x0000000001150000-0x0000000001350000-memory.dmp

      Filesize

      2.0MB

    • memory/2724-42-0x0000000001030000-0x00000000011F6000-memory.dmp

      Filesize

      1.8MB

    • memory/2724-43-0x0000000000F80000-0x0000000000FF6000-memory.dmp

      Filesize

      472KB