Analysis

  • max time kernel
    133s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 16:15

General

  • Target

    2024-11-25_dc1ee6a07a4f65ebf43b9d8d5e3c307b_avoslocker_luca-stealer_ramnit.exe

  • Size

    2.4MB

  • MD5

    dc1ee6a07a4f65ebf43b9d8d5e3c307b

  • SHA1

    0928441e4f6b7bc2778c7cdf4cd2e547a9f285de

  • SHA256

    51f894fa0cfc6ff2b5eef226d676c108bf1e22380da8ba6bbdefbd1b1f65efe8

  • SHA512

    4e87db44efad77e1c618ccbbc85e963da3dfe587dbaabb750fff0d0798edc3ac339709a1871b873e0b9742a16dcbd1d461fc47ac2b21cbcdf21d8978cb90eae1

  • SSDEEP

    49152:l+0BHZGfL7bE2tPPU59/s3sNNOwfSCqwILfNiD1E77ELHQbrMSUWW79:l+0SL7ptPPU59/s3sNNO8/ZILfNipEXu

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-25_dc1ee6a07a4f65ebf43b9d8d5e3c307b_avoslocker_luca-stealer_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-25_dc1ee6a07a4f65ebf43b9d8d5e3c307b_avoslocker_luca-stealer_ramnit.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Users\Admin\AppData\Local\Temp\2024-11-25_dc1ee6a07a4f65ebf43b9d8d5e3c307b_avoslocker_luca-stealer_ramnitSrv.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-25_dc1ee6a07a4f65ebf43b9d8d5e3c307b_avoslocker_luca-stealer_ramnitSrv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2352
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2800
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2800 CREDAT:275457 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    bdedb7d0bd4bfa3972a19452467ec5cf

    SHA1

    4949dd8dcad937470a1474a1cdd0ebaa0bb30c37

    SHA256

    caf3374d4f8d6f162c87be1935aab4b287c9c985dc3718d255fd8420cca2dcbb

    SHA512

    a8aed42cb79dcd4a27baddbb1adbc5024446a9624d23d0f3e578c9aa48ef379f27402ee8932c3928bed62299748f69221c3c96181b591c25c864c1938de73e8d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    45221e74395e498d6da6f6e4a4648394

    SHA1

    30398e6d3f14a7c03f0a07dc119482d3031b9aa0

    SHA256

    a3588504f8fda316e4f486031d46b6f144b37cd1b53d312fd352f2ab0ce259eb

    SHA512

    d9ddd627131883941019df918abd94638fbf09661fe5e91e68fd4254255f636c2804cf86291abe4efae6a0919cd210ef22d5335e1438dcfc8417fe05a0aebb6c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    bb0b9f49fa1aa73c61a2a2bfcb0eafa4

    SHA1

    8a9c1711ada32e5696ec71a7958a79361ee3bb55

    SHA256

    e024e60c7f7ea5804cf8a25edb55698c77a8df8b0fda0eb2a264d0a8c1039c7b

    SHA512

    fb966ce3dd6affe097de705ff5f80035e385a3d3c5a9a7e564932ec658649b4862c66db3e4aa485dfea2b8ed445c6416cf4cadbb6548af9a88947915f2985d57

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    ed66b82510022f04f1b2f42bb5c8a099

    SHA1

    5208ab600044a6274cd880312871ccb09cb5ae4b

    SHA256

    cdb846eb276a594aa38c8454763ab577b5d797e6a8494b7dc41dfbd8cc4b3558

    SHA512

    cb79df6201a0409eea80316cb1c060f08686108c66a0f2fbc9067185bed892c4080c04a9a23d325172566c230e12780b9ed37d400f449afb725e9ad9bc6ddd32

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    719341a60ad82666010076600d3830c9

    SHA1

    21aaaaf9e07ff38e95e77f40841a4dc886ebe058

    SHA256

    2c69b59a1848a1678f497642d3fd4f0213d0c8cba888a59701d6c17469510c29

    SHA512

    0ce25c78b9dbee8cdc268f1f6b1e56ff3032b1d686d100816c0179fb6bea17ac2596c4fbce7e0e8ed49e9c4e231e707281efbc36ce650f2e423d1d7add377825

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    694e06ec6ae89a3b40c468b3980ad4f2

    SHA1

    5ae58e81d12d6a8cac2b72043dd12f26505ab731

    SHA256

    9bc9beb8e61cb0c844a8befc27f55b522b63f0de4d4be3e261fb0a1d25750ec7

    SHA512

    fe610fdb58786a2a537a892ff69bcf89001942d1bd90caf500832aa62fcaf64ccd29467c58cfb6e78e3848f464e002fed3cb1223df2e202dd58136f3edeb3f10

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    da4247764e6136dba8f34626b1d85ce5

    SHA1

    e10db13c9c4062fb72b481eb014c36dcf835a034

    SHA256

    c70efa68670c366ee9c6e2e923605c63df89ab010126ac33e8deeaa0a682e636

    SHA512

    05d71e1e620747129346c19a343c1a79977851e59652650edb7660a2d477247e87e6c828388363c1df282630730a38f2fb41c1d023597f60f760f27eb772ef7d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    cf64b66ffcb0242bded5e914289ac9fe

    SHA1

    58405c70daf7005279b5b8ae11c777b626e581b9

    SHA256

    84a3398ac04e1d2c1e2410349cb38c6c43705372b7051e34a5ac9858289d8da2

    SHA512

    1648e050b5a1e12d34a7cfe6186a194d0b626918e86f8d592b760ddf8c87697d4506acf1de6ae635097fe86281c5e6ccfc18629a56c5c385faa8011bad5b16e5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    4a6f08d099b3efb0766e60afe322a343

    SHA1

    f15a2a93f84d48e8e2650fbd9dbfc51135037cb7

    SHA256

    7ab8ce9ab32a8feaecee1065e9833c6812d798a507a6d05a68fa395488d4bd5b

    SHA512

    49c4e16eb316d15cedee37b935bb9d35b9996ab73d2edfadabe57ec771219d5a3ca136ce80f4aecb83b883deeddf7a4d3b1ad358843643e18c1b5e81c9e59032

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    83bf9a0946ac22dd7e7aaf53ac76cf83

    SHA1

    4d0373ffad302bef485222d97f35c554f3a27f24

    SHA256

    a8b12cce0face602740592dcafbf9a9ca5762ca178031bb67807576abf568f4d

    SHA512

    1e6d943e7a0e7881f4f6ce4c9d7bb5dd7acb7cf383cd977381f45c635c93cac720334458391b4713dbead1a086f077fe2baee49c4eba97242908abefcb4a0ef4

  • C:\Users\Admin\AppData\Local\Temp\2024-11-25_dc1ee6a07a4f65ebf43b9d8d5e3c307b_avoslocker_luca-stealer_ramnitSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\CabE4A7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE4CA.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/776-185-0x0000000000AF0000-0x0000000000D54000-memory.dmp

    Filesize

    2.4MB

  • memory/776-24-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/776-23-0x0000000000AF0000-0x0000000000D54000-memory.dmp

    Filesize

    2.4MB

  • memory/776-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/776-0-0x0000000000AF0000-0x0000000000D54000-memory.dmp

    Filesize

    2.4MB

  • memory/1292-8-0x0000000000230000-0x000000000023F000-memory.dmp

    Filesize

    60KB

  • memory/1292-9-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2352-19-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2352-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2352-18-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2352-20-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2352-22-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB