Analysis

  • max time kernel
    70s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 09:59

General

  • Target

    2f1dc5030efcb81959182c0382ad8d74_JaffaCakes118.exe

  • Size

    876KB

  • MD5

    2f1dc5030efcb81959182c0382ad8d74

  • SHA1

    901cde94badc1478b973d85c5862e5fe260cfa7f

  • SHA256

    800900c169d3f7ab56983c0406a534b22a5652b1d3507b5e879adbb2bc2229f3

  • SHA512

    eda73fd95f95b989a6f69888268b7c91291c22e061237a78e2ab1a704c7528645e0623b46fa7710b27d27f3bbfb15bff5fa81d47e88447749789c8d94c2c18d0

  • SSDEEP

    12288:+QJ/WFun+/d0tnm2l8w58cBwbPh+b7ji75qFacYboBioTBzWj6G3u3EIO74qt:PWFY+ImI8hcqzQb7j6UFacrBpByuDgt

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 27 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 7 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.

  • Modifies registry class 34 IoCs
  • Opens file in notepad (likely ransom note) 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f1dc5030efcb81959182c0382ad8d74_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2f1dc5030efcb81959182c0382ad8d74_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\hello.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2236
    • C:\Users\Admin\AppData\Local\Temp\aaa.exe
      "C:\Users\Admin\AppData\Local\Temp\aaa.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\hello.txt
        3⤵
        • System Location Discovery: System Language Discovery
        • Opens file in notepad (likely ransom note)
        PID:2960
      • C:\Users\Admin\AppData\Local\Temp\aa.exe
        "C:\Users\Admin\AppData\Local\Temp\aa.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2916
        • C:\Windows\SysWOW64\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\hello.txt
          4⤵
          • System Location Discovery: System Language Discovery
          • Opens file in notepad (likely ransom note)
          PID:1968
        • C:\Users\Admin\AppData\Local\Temp\a.exe
          "C:\Users\Admin\AppData\Local\Temp\a.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2692
          • C:\Users\Admin\AppData\Local\Temp\alalal.exe
            "C:\Users\Admin\AppData\Local\Temp\alalal.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2700
            • C:\Windows\SysWOW64\28463\HAWF.exe
              "C:\Windows\system32\28463\HAWF.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1656
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\HAWF.exe > nul
                7⤵
                • System Location Discovery: System Language Discovery
                PID:2640
          • C:\Windows\SysWOW64\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\hello.txt
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Opens file in notepad (likely ransom note)
            PID:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\aaa.exe

    Filesize

    855KB

    MD5

    92e49800179523b787d6a68b6f588fde

    SHA1

    999f3356bc22880b2542768e7470c9c6c067af41

    SHA256

    5463b407f2cf32fbc61d5539b5e174b12823c95433c0c0e1f72b8412e7a108f0

    SHA512

    49ee8cb83611157106bfe1ae11a1cb6ee880d4f1a0a650025c56116c4f055f8fd6341cd4fdd8e78604ac8a8a34e9a47144e0a3ce0c30281e100e2577e4b36260

  • C:\Users\Admin\AppData\Local\Temp\hello.txt

    Filesize

    40B

    MD5

    0818a2155823f8c4d1e6b2a24d4b86ac

    SHA1

    3764085a15922b359b0d4a714c10dbd020f23f36

    SHA256

    a49cafc9b464f56a529f917851d7f292969f157dffcc2392006bbe15811b489a

    SHA512

    be3de98b5e25cccf6e50c6d78bae9fa00af54482d25e2caf1995f3808d4247d8f5251d535e08ee84c5d9b22e9bdad5d4765ba5ca8fdeaf672cda42eb7ded571d

  • C:\Windows\SysWOW64\28463\AKV.exe

    Filesize

    457KB

    MD5

    97eee85d1aebf93d5d9400cb4e9c771b

    SHA1

    26fa2bf5fce2d86b891ac0741a6999bff31397de

    SHA256

    30df6c8cbd255011d80fa6e959179d47c458bc4c4d9e78c4cf571aa611cd7d24

    SHA512

    8cecc533c07c91c67b93a7ae46102a0aae7f4d3d88d04c250231f0bcd8e1f173daf06e94b5253a66db3f2a052c51e62154554368929294178d2b3597c1cca7e6

  • C:\Windows\SysWOW64\28463\HAWF.001

    Filesize

    446B

    MD5

    12f3f808506762ba31b6ab8ae9bef99c

    SHA1

    4aae9bef8ddd534e11a87f1be45a9be7cad3c4a4

    SHA256

    7b76928bbb5948e2fb83915515b9d5ad0c596d5f5b2d46d2dc300089759f6be0

    SHA512

    dc0465a96d52bfc52cc3a6182dfb9200f6a7b1b42a0d21f824089dc517376575e16117ebe38020df695d66a57580fd81de9929a3aa4b4575d580a33303cf616c

  • C:\Windows\SysWOW64\28463\HAWF.006

    Filesize

    8KB

    MD5

    35b24c473bdcdb4411e326c6c437e8ed

    SHA1

    ec1055365bc2a66e52de2d66d24d742863c1ce3d

    SHA256

    4530fcc91e4d0697a64f5e24d70e2b327f0acab1a9013102ff04236841c5a617

    SHA512

    32722f1484013bbc9c1b41b3fdaf5cd244ec67facaa2232be0e90455719d664d65cae1cd670adf5c40c67f568122d910b30e3e50f7cc06b0350a6a2d34d371de

  • C:\Windows\SysWOW64\28463\HAWF.007

    Filesize

    5KB

    MD5

    a8e19de6669e831956049685225058a8

    SHA1

    6d2546d49d92b18591ad4fedbc92626686e7e979

    SHA256

    34856528d8b7e31caa83f350bc4dbc861120dc2da822a9eb896b773bc7e1f564

    SHA512

    5c407d4aa5731bd62c2a1756127f794382dc5e2b214298acfa68698c709fbbe3f2aa8dbdcbef02ed2a49f8f35969959946e9f727895bdca4500d16e84f4ef2e8

  • C:\Windows\SysWOW64\28463\HAWF.exe

    Filesize

    646KB

    MD5

    b863a9ac3bcdcde2fd7408944d5bf976

    SHA1

    4bd106cd9aefdf2b51f91079760855e04f73f3b0

    SHA256

    0fe8e3cd44a89c15dec75ff2949bac1a96e1ea7e0040f74df3230569ac9e37b0

    SHA512

    4b30c3b119c1e7b2747d2745b2b79c61669a33b84520b88ab54257793e3ed6e76378dea2b8ff048cb1822187ffdc20e921d658bb5b0482c23cfa7d70f4e7aa1a

  • C:\Windows\SysWOW64\28463\key.bin

    Filesize

    106B

    MD5

    a7803747d88ef30694f734728947208f

    SHA1

    66d940969be262153388f57209f60b4840f78fa5

    SHA256

    5a155301048acd3ee2e64682ca9ea92fed5a5821515ad1b94f0f9555f9198de4

    SHA512

    7bc14fdc47f372bfa00d627afd3bbd76f4efdad86727b198ba85c151a5b6d25466836ac4f87a228128eb0d16254449b9e26e731ce781b6003a83892dabb4c185

  • \Users\Admin\AppData\Local\Temp\@D6A0.tmp

    Filesize

    4KB

    MD5

    d73d89b1ea433724795b3d2b524f596c

    SHA1

    213514f48ece9f074266b122ee2d06e842871c8c

    SHA256

    8aef975a94c800d0e3e4929999d05861868a7129b766315c02a48a122e3455d6

    SHA512

    8b73be757ad3e0f2b29c0b130918e8f257375f9f3bf7b9609bac24b17369de2812341651547546af238936d70f38f050d6984afd16d47b467bcbba4992e42f41

  • \Users\Admin\AppData\Local\Temp\a.exe

    Filesize

    813KB

    MD5

    e2ebdccb8a3e4244261ca5ebb3d0f8a6

    SHA1

    c70105a7b64287c4e53548b54be6fe9f242f95f0

    SHA256

    2fc377e680565a454d7dc0e04c042dccc2a6306f4368d93de59d69821842457d

    SHA512

    208aa92a162e231b59730d1c4636ea2826920c5ecf94cc062640c1bfe792e6db5091653add3628c0d624185fa0e4a2384825dd1422aa4406ade0ed13cca148cd

  • \Users\Admin\AppData\Local\Temp\aa.exe

    Filesize

    834KB

    MD5

    3e5692e2d63f4b33d6a7fccc78fe451c

    SHA1

    2c4c3487971a5255fc939af71d1946b7cc61da62

    SHA256

    2ae2e6e62602a9129be56ee9a0459f35fe1e09885718e009b317e8f5db72cf88

    SHA512

    000855c58488f519b70c29612547edd82212badc65dc720bea5209cf3fd733410191ec6862124831ac4a3fd40ab556f92165e6e91dfc1b14e569414cdb432cf4

  • \Users\Admin\AppData\Local\Temp\alalal.exe

    Filesize

    783KB

    MD5

    d8e63038cd315c939bceb4333959c8ff

    SHA1

    2bc6b710064dfa44f13dec3b0631c9203b5a484f

    SHA256

    5bb8b60c931e2dc1b3080471ffc9b0612d1b5d9055a63feb07fb3db5d8f4d6cf

    SHA512

    54f8a2403496097b30bb8cf444dec7b3868dc57b80d8d96b385d406eb5a2482711cb2ec8bdfcb8b49e63784973513dee5187996af996379a416fbd8602b2ba5b

  • memory/1656-83-0x00000000004E0000-0x00000000005BF000-memory.dmp

    Filesize

    892KB

  • memory/1656-82-0x00000000004E0000-0x00000000005BF000-memory.dmp

    Filesize

    892KB

  • memory/1656-74-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1656-92-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1656-93-0x00000000004E0000-0x00000000005BF000-memory.dmp

    Filesize

    892KB

  • memory/1656-97-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1656-101-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/2700-73-0x0000000002520000-0x00000000025FF000-memory.dmp

    Filesize

    892KB