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Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 05:31

General

  • Target

    0e2614021d554b0534d0fb8e50dadd5e_JaffaCakes118.exe

  • Size

    148KB

  • MD5

    0e2614021d554b0534d0fb8e50dadd5e

  • SHA1

    1a78dd974bc2346931566d06f17899bdf6ab7971

  • SHA256

    9f02093aac7808cb10582b4b2767aa16782f28d00b8b8e9c9d45196e00338cd7

  • SHA512

    455c2fe11aea0c99ca6c9a41c474bc028db28566c1173588a56d4a406d6263389548ed1df181931a57735f04a64ca89649e56064f63101d271f6d9739fbaf7b2

  • SSDEEP

    3072:zQIURTXJAMeVY06GRKHxN48rdIfbnUT9Pk7x+mowAEq:zsneP+H08rdPTBk+wC

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e2614021d554b0534d0fb8e50dadd5e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0e2614021d554b0534d0fb8e50dadd5e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\nsj4444.tmp\dvflekzd.dll",FilterSetEffectID
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        RUNDLL32.EXE C:\Users\Admin\AppData\Local\Google\tgrdhldn.dll,FilterSetEffectID
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsj4444.tmp\dvflekzd.dll

    Filesize

    328KB

    MD5

    ef63a544e38c3a3f1f40d51cdd67466b

    SHA1

    5f3e77446c880b9ddcce9dfb26442f2631d9b9b9

    SHA256

    f35d0b4b42d3c8800f146e96924be72e6c3c4cdf5eebd5ae59127e276bbc12cc

    SHA512

    83cdaac3504701319e07a14a18170813dd4914faa1b75e73ae5beeb23a44eb1cdee5b772d606de9938f99c4fe6808998677638970ed1c4639e58b5fa57effff9

  • \Users\Admin\AppData\Local\Temp\nst4433.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • memory/2644-14-0x0000000010000000-0x0000000010054000-memory.dmp

    Filesize

    336KB

  • memory/3048-16-0x0000000010000000-0x0000000010054000-memory.dmp

    Filesize

    336KB

  • memory/3048-18-0x0000000010000000-0x0000000010054000-memory.dmp

    Filesize

    336KB

  • memory/3048-17-0x0000000010000000-0x0000000010054000-memory.dmp

    Filesize

    336KB

  • memory/3048-15-0x0000000010000000-0x0000000010054000-memory.dmp

    Filesize

    336KB

  • memory/3048-19-0x0000000010000000-0x0000000010054000-memory.dmp

    Filesize

    336KB