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Overview

overview

10

Static

static

3

87ea573002...18.exe

windows7-x64

10

87ea573002...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    10/08/2024, 22:25

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General

  • Target

    87ea573002bd2458bc24ea302ade821f_JaffaCakes118.exe

  • Size

    460KB

  • MD5

    87ea573002bd2458bc24ea302ade821f

  • SHA1

    b1895c282a626738cab83c28458cb9ff5f314ca7

  • SHA256

    531eab03314df5ae6c9f5075e63da130c87b7d1cfe8c14251c75152e57519279

  • SHA512

    8ecfd2437b05f3d9b22fb9f49117087ae982b5df62ef6b738805af7f4d6f83f15a06c7353d744628bb6394860cb13d8f4ac289ce635a8f862655d3139caef1b9

  • SSDEEP

    12288:IlSt6oIHNOhU5O5TYo4XqTig5GSR9CClDDL:IlSt69HNx6T/5xT

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 10 IoCs
  • UPX packed file 6 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 51 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 54 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
    • Drops desktop.ini file(s)
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:844
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\87ea573002bd2458bc24ea302ade821f_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\87ea573002bd2458bc24ea302ade821f_JaffaCakes118.exe"
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2524
          • C:\Users\Admin\iBdqphzke5.exe
            C:\Users\Admin\iBdqphzke5.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:2536
            • C:\Users\Admin\pehuv.exe
              "C:\Users\Admin\pehuv.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
              • Suspicious use of WriteProcessMemory
              PID:2876
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c tasklist&&del iBdqphzke5.exe
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2344
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                5⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2840
          • C:\Users\Admin\astat.exe
            C:\Users\Admin\astat.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2952
            • C:\Users\Admin\astat.exe
              "C:\Users\Admin\astat.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2912
          • C:\Users\Admin\dstat.exe
            C:\Users\Admin\dstat.exe
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:2616
          • C:\Users\Admin\fstat.exe
            C:\Users\Admin\fstat.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:2496
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del 87ea573002bd2458bc24ea302ade821f_JaffaCakes118.exe
            3⤵
            • Deletes itself
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2212
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2204

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

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

        53KB

        MD5

        4d7cde615a0f534bd5e359951829554b

        SHA1

        c885d00d9000f2a5dbc78f6193a052b36f4fe968

        SHA256

        414fdf9bdcae5136c1295d6d24740c50a484acd81f1f7d0fb5d5c138607cb80a

        SHA512

        33d632f9fbb694440a1ca568c90518784278efd1dc9ee2b57028149d56ebe1f7346d5b59dcfafee2eeaa10091dda05f48958e909d6bfc891e037ae1cfbd048d4

        Download Submit

      • \??\globalroot\systemroot\assembly\temp\@
        Filesize

        2KB

        MD5

        5b5fd1653bd0e42afb3d06db224163e7

        SHA1

        b3dd821eb82a5ae7504c2c7d9ece4ef823952e38

        SHA256

        0c6f2f90d61085ca8f2454aa82f3b129b629c1773f7c27fb8601dd2affd6bd2c

        SHA512

        dfdd2dbda6486a34b15298388d1de1e3d24f28f5cb1fe2c46e8e978849cf9cee92842ab5ec28be294de8a2d6d736a3632b3f45bfa222495d1254093b286c888b

        Download Submit

      • \Users\Admin\astat.exe
        Filesize

        60KB

        MD5

        87c6498966e3f85fac743c89050aa312

        SHA1

        05c165c34cbfa14e4925c33ace81992b0f50a2b5

        SHA256

        30c8328585e41968aff773da16cedbe590dcefd293c7fa74a69c557ecbf2c3c5

        SHA512

        740f7159ee78f73e57c92e583b8c4f97c5dd49b68b9c321da976d7e318819daa28e8dfc76e95e1e3ccee643dc464324c40b481d1849863e287d826adb577b420

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      • \Users\Admin\dstat.exe
        Filesize

        36KB

        MD5

        b6da847084e39e0cecf175c32c91b4bb

        SHA1

        fbfd9494fabed5220cdf01866ff088fe7adc535b

        SHA256

        065781e8a55cf59cb926d5950e0039e19b50b1e081023404fbff4d7a32fc9cbe

        SHA512

        59d372ea36904cd48c99f2f34740c22004b35c5e5dada2417813b0463292af19e4aa5ba4552cc443da373e40ba03a1f7906019a567806806f5972c202a31d9d2

        Download Submit

      • \Users\Admin\fstat.exe
        Filesize

        271KB

        MD5

        34353cf7e1d1b10bcbbcae0745110535

        SHA1

        2fb471681daac6f6d66477b7772025da4f58c508

        SHA256

        b2d7a66e2d10d8943e48d6f3ad75237ff379e82ab0101a620406c4569be1d959

        SHA512

        7404f82abfabd21d6f2a88b55f6f0ff886bb0a1f16a9d45c6883d74daa26451f862a10a78646c549c3a3264ba4bd9fb44949d470493af895973dd05a0ec311e6

        Download Submit

      • \Users\Admin\iBdqphzke5.exe
        Filesize

        244KB

        MD5

        a4cdb62cf4866a17e742e7e9cc73d237

        SHA1

        30d94f8e872455ac569949ac4c768d0a0cdfbba7

        SHA256

        c741d649bf5b72fbe97470820ce994ce29b153baae14af10c3a2a9adc3098b32

        SHA512

        c4447f95565d3e5dc0ef7712382325280bedf127ac682f85f4043b586afb4188633f2c73277595eb31fe45d992107492f42c82a71f448286a9cb8fac4bfb3671

        Download Submit

      • \Users\Admin\pehuv.exe
        Filesize

        244KB

        MD5

        f317b130c9f4e47d633d6a20d26cc282

        SHA1

        745bcbe5c914ad7a8aea270d18f5edbf95a892b4

        SHA256

        bf7a96fc85e2a0dc3e5c61508fed099df10f46299bb25b093898eea5648e40da

        SHA512

        16842119bc7209fd7388c209a3ef862fdacb0f1f43a253456251cc31d03f867e02bbd5b58663e812a118493c0efe740bb334cf4c26dde5164174c26a70f1e5fa

        Download Submit

      • memory/332-116-0x0000000000EF0000-0x0000000000F02000-memory.dmp

        Filesize

        72KB

        Download

      • memory/332-105-0x0000000000EF0000-0x0000000000F02000-memory.dmp

        Filesize

        72KB

        Download

      • memory/844-118-0x00000000001C0000-0x00000000001CB000-memory.dmp

        Filesize

        44KB

        Download

      • memory/844-127-0x00000000001D0000-0x00000000001DB000-memory.dmp

        Filesize

        44KB

        Download

      • memory/844-126-0x00000000001C0000-0x00000000001CB000-memory.dmp

        Filesize

        44KB

        Download

      • memory/844-122-0x00000000001C0000-0x00000000001CB000-memory.dmp

        Filesize

        44KB

        Download

      • memory/1212-91-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

        Filesize

        24KB

        Download

      • memory/1212-95-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

        Filesize

        24KB

        Download

      • memory/1212-99-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

        Filesize

        24KB

        Download

      • memory/1820-87-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/1820-109-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/1820-89-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/1820-90-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/1820-83-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/1820-86-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/1820-80-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/1820-88-0x0000000002A50000-0x0000000002A8D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/2912-42-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2912-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2912-48-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2912-49-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2912-50-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2912-45-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2912-41-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2912-38-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

        Download