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Analysis

  • max time kernel
    63s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 06:06

General

  • Target

    dbf373bb2c8f589348c81fb228264e6b_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    dbf373bb2c8f589348c81fb228264e6b

  • SHA1

    5a3a270281888b37e2fc9efd88a5dc7af4f0c860

  • SHA256

    f43de2802350eb6b1574084937828090ffa2f60931a626e70b661a36052cf0b1

  • SHA512

    fba34b041f6e559dcd760d8c24c128eff1d458e90713bb96e8a812bf07f6a387ffcd1b2a3cc446059740bcd1420d2aa0b13dbb13a097a1f3ffb1c130b5fcb65c

  • SSDEEP

    6144:7HRYTjOZt8zrgH76LYNyHyMhVKRzbl875i+JMN45PHK:LS+2gO0cHyMsp+zMoi

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Suspicious use of UnmapMainImage
    PID:336
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies WinLogon for persistence
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\dbf373bb2c8f589348c81fb228264e6b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\dbf373bb2c8f589348c81fb228264e6b_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Users\Admin\AppData\Local\d2f57668\X
        *0*db*6869964f*69.64.52.10:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2800
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\d2f57668\X

    Filesize

    38KB

    MD5

    72de2dadaf875e2fd7614e100419033c

    SHA1

    5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

    SHA256

    c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

    SHA512

    e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

  • \Windows\System32\consrv.dll

    Filesize

    29KB

    MD5

    1149c1bd71248a9d170e4568fb08df30

    SHA1

    6f77f183d65709901f476c5d6eebaed060a495f9

    SHA256

    c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

    SHA512

    9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

  • \systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

    Filesize

    2KB

    MD5

    18ce8fa52b819eb6b564db4784694493

    SHA1

    5cab91c8bedbb1d6507cb53ce472eb1b076784da

    SHA256

    868767eedebb7b66e0063472ea2220b5f56088195eddaffe298790607f5aeb55

    SHA512

    799cd06eb551794ff256750442d18d534493172df64f062ac8e8251728000e236c46d11ee57dfe8b52591eab46bb611385ea54b28cd31b90221b00872084cf35

  • memory/336-16-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/336-21-0x00000000023B0000-0x00000000023BB000-memory.dmp

    Filesize

    44KB

  • memory/336-20-0x00000000023B0000-0x00000000023BB000-memory.dmp

    Filesize

    44KB

  • memory/1188-4-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1188-36-0x0000000002190000-0x0000000002198000-memory.dmp

    Filesize

    32KB

  • memory/1188-12-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1188-8-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1188-3-0x0000000002180000-0x0000000002182000-memory.dmp

    Filesize

    8KB

  • memory/1188-37-0x00000000021B0000-0x00000000021BB000-memory.dmp

    Filesize

    44KB

  • memory/1188-39-0x00000000021C0000-0x00000000021CB000-memory.dmp

    Filesize

    44KB

  • memory/1188-38-0x00000000021C0000-0x00000000021CB000-memory.dmp

    Filesize

    44KB

  • memory/1188-32-0x00000000021B0000-0x00000000021BB000-memory.dmp

    Filesize

    44KB

  • memory/1188-28-0x00000000021B0000-0x00000000021BB000-memory.dmp

    Filesize

    44KB

  • memory/2460-1-0x0000000030670000-0x00000000306A6000-memory.dmp

    Filesize

    216KB

  • memory/2460-40-0x0000000030670000-0x00000000306A6000-memory.dmp

    Filesize

    216KB

  • memory/2460-41-0x0000000030670000-0x00000000306C6000-memory.dmp

    Filesize

    344KB

  • memory/2460-45-0x0000000030670000-0x00000000306C6000-memory.dmp

    Filesize

    344KB

  • memory/2460-46-0x0000000030670000-0x00000000306A6000-memory.dmp

    Filesize

    216KB

  • memory/2460-2-0x0000000030670000-0x00000000306C6000-memory.dmp

    Filesize

    344KB