Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 15:51

General

  • Target

    0a1c59d58ca6ff6470c6781d8b5c03be_JaffaCakes118.exe

  • Size

    670KB

  • MD5

    0a1c59d58ca6ff6470c6781d8b5c03be

  • SHA1

    61c1e9194775b476b0d6d42878b7bd1718798b3f

  • SHA256

    12fea8c14ac703c58c3779f062da6d67eea00f7236e96c818dec0cbff6ad76f8

  • SHA512

    fcc8df8212caa7150b73f1facb09a89bb01bce3c3b92b778ec77bdc6127f4f71e791728eed5c4a72bd19eb03fa239f4356194e3b9ecd9ebcd5a30e7972ae4cf8

  • SSDEEP

    12288:VJJsobojeAr644444lIyyazhRHvw3S8dQOKQSjXF2jcjJBAsMbKO/L1kmik7RBsj:HJsobY/NzQdQOUecvpyZ/L1kmik7RBsj

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a1c59d58ca6ff6470c6781d8b5c03be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0a1c59d58ca6ff6470c6781d8b5c03be_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Users\Admin\AppData\Local\Temp\n4407\s4407.exe
      "C:\Users\Admin\AppData\Local\Temp\n4407\s4407.exe" c14668439c850cafd9b9c84ezllv+HrK8ICKkb2awToJN1o3fg9yGmR5iC9ajE62EPei89Luu2RDOvPkLp1BfjY3IID+qGqd06D/gemrcWBlAFSg0n7OI+IrtLh5VkqyrrSCzCvlM3xcpSTF+LyLfC7TATNxHOk2UU/TKmBxCes05c9xvOIm3BQoDY/cG+E= /v "C:\Users\Admin\AppData\Local\Temp\0a1c59d58ca6ff6470c6781d8b5c03be_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4407\s4407.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/4744-12-0x00007FF920E80000-0x00007FF921821000-memory.dmp

    Filesize

    9.6MB

  • memory/4744-13-0x00007FF920E80000-0x00007FF921821000-memory.dmp

    Filesize

    9.6MB

  • memory/4744-14-0x0000000001560000-0x0000000001570000-memory.dmp

    Filesize

    64KB

  • memory/4744-28-0x0000000001720000-0x0000000001730000-memory.dmp

    Filesize

    64KB

  • memory/4744-31-0x000000001CB00000-0x000000001CFCE000-memory.dmp

    Filesize

    4.8MB

  • memory/4744-32-0x000000001C520000-0x000000001C5BC000-memory.dmp

    Filesize

    624KB

  • memory/4744-33-0x0000000001560000-0x0000000001570000-memory.dmp

    Filesize

    64KB

  • memory/4744-34-0x000000001D090000-0x000000001D0F2000-memory.dmp

    Filesize

    392KB

  • memory/4744-35-0x0000000001560000-0x0000000001570000-memory.dmp

    Filesize

    64KB

  • memory/4744-36-0x0000000001560000-0x0000000001570000-memory.dmp

    Filesize

    64KB

  • memory/4744-37-0x0000000021240000-0x000000002174E000-memory.dmp

    Filesize

    5.1MB

  • memory/4744-39-0x00007FF920E80000-0x00007FF921821000-memory.dmp

    Filesize

    9.6MB