Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 16:15

General

  • Target

    2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictor.exe

  • Size

    7.7MB

  • MD5

    0b8cd5cc5f79f82fc95da3030b9d4012

  • SHA1

    50c6f7bd9609790a9d41e1b3cfc5e91c1a69d6b3

  • SHA256

    763626966dbd96bed7bc2aa5e3ab58e3302b973925f49ece644ccacb90aa4119

  • SHA512

    b9d8655abfccacde0df1771084b4adbb7266fe1b963f7a8dd0f0750e83d6f00df094dfe3d31a7e6f3773bcd247c9853b9b8dfea0ce3e23992cc96dfded9606b7

  • SSDEEP

    49152:J70vVrYK8m0TzBNMFcUVcAYXnGYXPNd2kala+yihdXAF/edvoRFRh1Z+WD14gkz8:JwdrytXlposN/I83HpR7h5u

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 6 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 6 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 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictor.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictor.exe"
    1⤵
    • Drops file in Drivers directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\drivers\lsass.exe
      "C:\Windows\system32\drivers\lsass.exe"
      2⤵
      • Drops file in Drivers directory
      • Drops startup file
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2148
    • C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictor.~tmp
      "C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictor.~tmp"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictorSrv.exe
        C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictorSrv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:212
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2200
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2648 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    fdba1e1aaafa78dc1bc5319f2afb6f86

    SHA1

    5432b1fa5f940052c9f9117307b2c97a7950cab2

    SHA256

    83c001e05993c8e603aec23cc4fa21a1515943496a69e18ab4a1196294b5354d

    SHA512

    ad7a1db5d9f4ac4edc07dfaacd2dd5aa15d8e228b2e096f9add822e4be84c66db28729583f9fdd5ae4f20fe685854cf2c35ced250a19df3b001c7b563c78a13e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    fc78f0e4323b1de3db2867e7fe85ec3d

    SHA1

    c6df8376f8675f7ff2aafaef30703b2563931511

    SHA256

    a0a950773afd0f3a65b115b6eeb8161b16d0423590d23bfee49012dbb04cd638

    SHA512

    954e8f984fda90df94ec33d2d7aba5949c8d219d044dd4ddd780ffcb58d22773894229fb6a7d8815bbff04355113ee69bad738752684f5b8a46f2123be1e46a1

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictor.~tmp

    Filesize

    7.6MB

    MD5

    43b0082c86fcacde96efa032bd0eb071

    SHA1

    be7c211c377990a9f4eb96da36a18b69c01d6555

    SHA256

    e9d1b415c3f9d50ff4399414a6034bed731c8e5d51dc88efb311124816786dbb

    SHA512

    c00011372827304332a96d1c84a48f44619c60bf43519a90f5c34c12e405b98d1a9cf71f855e15ddd42d19a0929a3d3a0f4c4aff2abba6346cb72f8590bdd74d

  • C:\Users\Admin\AppData\Local\Temp\2025-01-14_0b8cd5cc5f79f82fc95da3030b9d4012_icedid_ramnit_ruftar_strictorSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Windows\SysWOW64\drivers\lsass.exe

    Filesize

    32KB

    MD5

    c451134261557ae5fe1ee308d0ae1b98

    SHA1

    e55a9ddd2e3b3083a76d091b13748f55c2caeae3

    SHA256

    c5eb765654730a8a3dc53997549d97542b419cc5f3fccb9d4a487d1a04dd6481

    SHA512

    5e9606529d2fea3ac3932f7f08fddc13497f9b3dfe66d61dfa14a68cd37d12cb40dd2a7071c6d8db346cfceded2b2947ec1d3c0291b15d250b75aee7adf52be3

  • memory/212-18-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/212-16-0x0000000000480000-0x000000000048F000-memory.dmp

    Filesize

    60KB

  • memory/1540-28-0x0000000000EC0000-0x0000000001666000-memory.dmp

    Filesize

    7.6MB

  • memory/1540-10-0x0000000000EC0000-0x0000000001666000-memory.dmp

    Filesize

    7.6MB

  • memory/2200-22-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2200-21-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2200-24-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2200-25-0x0000000000520000-0x0000000000521000-memory.dmp

    Filesize

    4KB

  • memory/2200-26-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB