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Overview

overview

10

Static

static

3

68388c581c...18.exe

windows7-x64

10

68388c581c...18.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 15:54

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General

  • Target

    68388c581c7c4da2b334c5ab841d4baa_JaffaCakes118.exe

  • Size

    544KB

  • MD5

    68388c581c7c4da2b334c5ab841d4baa

  • SHA1

    97f643f8dc8336a7558d2dab80c6a5cf49960446

  • SHA256

    8ba4329b579a3ab8493caca37bbffcbbd0094475b0dc77560663f0b7f8da0bca

  • SHA512

    5ab84dada00867622a2137a398c29b21195d92b342821699a1b1b3c3a1fb3fb111726ff554112b6e840537d46dea24c786640464218ec989c6ff4eed5de9ccb4

  • SSDEEP

    12288:jQIWT/UzJW8ivxh7vHzgryd4GT1QOoJqbbEUqe9mJd/uB28Rr8O9F8/CwM:jQI+cJHiJRTHnxhUqEhe9suB2C8O9O

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 10 IoCs
  • UPX packed file 25 IoCs

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

    upx
  • Unexpected DNS network traffic destination 5 IoCs

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

  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

    discovery
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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:1184
    • C:\Users\Admin\AppData\Local\Temp\68388c581c7c4da2b334c5ab841d4baa_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\68388c581c7c4da2b334c5ab841d4baa_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Users\Admin\gau5f8p1.exe
        C:\Users\Admin\gau5f8p1.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Users\Admin\ymdiy.exe
          "C:\Users\Admin\ymdiy.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2664
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del gau5f8p1.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2848
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2528
      • C:\Users\Admin\2des.exe
        C:\Users\Admin\2des.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2508
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2548
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1880
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2708
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2216
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          PID:1712
      • C:\Users\Admin\3des.exe
        C:\Users\Admin\3des.exe
        3⤵
        • Executes dropped EXE
        • 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:588
        • C:\Users\Admin\AppData\Local\d2f57668\X
          *0*bc*f8402738*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1676
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:756
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 68388c581c7c4da2b334c5ab841d4baa_JaffaCakes118.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1684
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1472
  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
    1⤵
      PID:2364

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2des.exe
      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

      Download Submit

    • C:\Users\Admin\3des.exe
      Filesize

      286KB

      MD5

      cb278b7760c080ea4f57aea471f0f674

      SHA1

      2c052b2db7a196d127c2b84b62563d0c98ec0413

      SHA256

      74cb6a456be0e9bad997e8c97475c47ab27c40d3627484f7b38a86bd01c78930

      SHA512

      dbdf6a95b53a53f3a3dd929e0b1d63d512c00e9d28bf2f05c3e63707f0208f4f311adc637bb97a9d05bdb6bad9d6c7021aeec8c99ffe7033212e7763d4046bd3

      Download Submit

    • C:\Windows\system32\consrv.dll
      Filesize

      29KB

      MD5

      1149c1bd71248a9d170e4568fb08df30

      SHA1

      6f77f183d65709901f476c5d6eebaed060a495f9

      SHA256

      c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

      SHA512

      9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

      Download Submit

    • \Users\Admin\AppData\Local\d2f57668\X
      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

      Download Submit

    • \Users\Admin\gau5f8p1.exe
      Filesize

      252KB

      MD5

      3e152747de87d4674484a003398db051

      SHA1

      82557817b08eb981afa68701092d9f6e0d71ef79

      SHA256

      1d5897272a1b899ce244d0863e9cf743adf4a9f5838bed75b7fc6a6e31a9da3e

      SHA512

      dd726c743cac5696bf225d4b8d5cfa7b28f218eb6e7f2325e4f75d3cc4539e417210d477bafbcd82e7eb9e7b4e8ce20ae6ad30e2e7d36d949223bed0c78dcfa7

      Download Submit

    • \Users\Admin\ymdiy.exe
      Filesize

      252KB

      MD5

      fc6839f4ca14a12a03f5af2bc7859182

      SHA1

      af42733ed26126e247e70b96807f1eeddc4e3c46

      SHA256

      5e76e2a549b2500abb56b8becc4d54ec9263dfa44e9da7368f6a3cbe012a9d26

      SHA512

      2d48fea0ce55e36c098ecca8544edbc31652ad2e077677aeee7eeba7a04b58a614cfee9f15d495951c1ca9d6c13221509601ce5fa2b1e9436aeb35050325a0ac

      Download Submit

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

      2KB

      MD5

      0aea8f4a7e1249d8371b302cfeee61bc

      SHA1

      d6b56649e7cfeb4f5e99d8b02f647d3829eb6bfb

      SHA256

      e16f78b590bc5107fca8d426de5f638974bd11d492d98e28ce5c1f732bc8558c

      SHA512

      5c120746c4596f4a978d81d08dcc729c8dd847d3a0db0a65dbf082139b0e462360367ac796199e75b2777d13034cb87cd4d3d653be211af1180cab763552cb75

      Download Submit

    • memory/336-117-0x0000000000EB0000-0x0000000000EBB000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1184-128-0x00000000025A0000-0x00000000025AB000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1184-110-0x00000000020A0000-0x00000000020A6000-memory.dmp

      Filesize

      24KB

      Download

    • memory/1184-102-0x00000000020A0000-0x00000000020A6000-memory.dmp

      Filesize

      24KB

      Download

    • memory/1184-132-0x00000000025A0000-0x00000000025AB000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1184-133-0x00000000025B0000-0x00000000025BB000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1184-124-0x00000000025A0000-0x00000000025AB000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1184-106-0x00000000020A0000-0x00000000020A6000-memory.dmp

      Filesize

      24KB

      Download

    • memory/1880-55-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1880-62-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1880-60-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1880-63-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1880-65-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1880-51-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1880-53-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2216-87-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2216-86-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2216-155-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2216-83-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2216-80-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2216-78-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-48-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-137-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-39-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-41-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-43-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-50-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2548-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2548-46-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2640-28-0x0000000003A20000-0x00000000044DA000-memory.dmp

      Filesize

      10.7MB

      Download

    • memory/2708-73-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-88-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-70-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-66-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-85-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-75-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-154-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/2708-68-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download