Analysis

  • max time kernel
    91s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 21:47

General

  • Target

    25b61913dd908b2ad3953638404c2ed3e762ea80a87ca3c93859c589cfb109b3.exe

  • Size

    116KB

  • MD5

    ea51400c42c8b72137ec73f82b662096

  • SHA1

    66aac478e6ad8670f632411a110e073eb9e3387d

  • SHA256

    25b61913dd908b2ad3953638404c2ed3e762ea80a87ca3c93859c589cfb109b3

  • SHA512

    5ba150487aaa124307ee7eedd53f18bbc2898b42ac33b91e1fa96b54a7482b84ff44e1accb46f244f4f1d0bf57b9e924c3aeb2a2dcf05b92e2f9ebf5c620687b

  • SSDEEP

    1536:AVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEa:wnxwgxgfR/DVG7wBpEa

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 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 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25b61913dd908b2ad3953638404c2ed3e762ea80a87ca3c93859c589cfb109b3.exe
    "C:\Users\Admin\AppData\Local\Temp\25b61913dd908b2ad3953638404c2ed3e762ea80a87ca3c93859c589cfb109b3.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:380
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4144
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 204
            4⤵
            • Program crash
            PID:4980
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1528
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1528 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1832
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4516
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4516 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4144 -ip 4144
      1⤵
        PID:4788

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        116KB

        MD5

        ea51400c42c8b72137ec73f82b662096

        SHA1

        66aac478e6ad8670f632411a110e073eb9e3387d

        SHA256

        25b61913dd908b2ad3953638404c2ed3e762ea80a87ca3c93859c589cfb109b3

        SHA512

        5ba150487aaa124307ee7eedd53f18bbc2898b42ac33b91e1fa96b54a7482b84ff44e1accb46f244f4f1d0bf57b9e924c3aeb2a2dcf05b92e2f9ebf5c620687b

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

        Filesize

        471B

        MD5

        2c48c73220d62a8faffe599e95896274

        SHA1

        452cd4222360fe7e881055d815ec65a2bbac564b

        SHA256

        35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

        SHA512

        6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

        Filesize

        404B

        MD5

        efd5583a84bf2bb04cdbc4cfc165b518

        SHA1

        7ff8fe3b3a18b2a8fea6159ef8990f5e00761a37

        SHA256

        abd0c57f89b680d6c25202ba06386fcc5591dc1431ef29078ae24df70480ba2b

        SHA512

        44e94df926b6b905df10d41002e3e7b64f1649b0362c564d938f8d2a385d5b589eb9c88b9c4c230e7ca3899cabd099a39025b5f658942f935416c715dcfcd49f

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

        Filesize

        404B

        MD5

        1bc75fecbdd5cbbdb3ebad71d99a357c

        SHA1

        0c3497433d74a9ae479011ba00bae7026ef76394

        SHA256

        d29183f4a5b2f39a3111dd07395eadbc1860eeefc1ede4eeb634c5be2d4207b6

        SHA512

        2cedc8e00f67eb7ba7a726361ec778580c61e44ca77cc472294e3e59e155275f522e271ab47b4935907312f7b732a7317df573517ff92d87a3471367093ab651

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7739222B-D90A-11EF-A7EA-CAFD856C81B1}.dat

        Filesize

        3KB

        MD5

        2645e6c2426c2539faf861828d845504

        SHA1

        a3510098c00de4b9b6d8fbb5d88d27da6a241829

        SHA256

        f415e90331a8cd956090e14b591940c0950fd360957d273973181fd5ba34d524

        SHA512

        0832a8269574d3157a4056273ed06cb4a249b3a071be61309d26c3789929a67ba3c14adca3fa1f8ded7f687a3fda7dda8b65ffa820f34570f16d64a682036d5d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{773B855D-D90A-11EF-A7EA-CAFD856C81B1}.dat

        Filesize

        5KB

        MD5

        79eb8b3c0d102abef7926f6beed7c1e3

        SHA1

        68535c68fb1715f20ec7057b1936848946047fa1

        SHA256

        dcf4ebe450c990f86036f8b2fa9eb95711cdc4459fb55127f1b44036b429760a

        SHA512

        e8669f3169605e264f906b6640784c56d5311f276ac1fbccba0ee2db422da2cc079951cdade65593105e9afe29091d9178489872e2480772025dd9fc1ba56707

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/380-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/380-33-0x0000000077A22000-0x0000000077A23000-memory.dmp

        Filesize

        4KB

      • memory/380-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/380-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/380-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/380-34-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/380-28-0x0000000077A22000-0x0000000077A23000-memory.dmp

        Filesize

        4KB

      • memory/380-26-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/380-23-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/1216-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-7-0x00000000008F0000-0x00000000008F1000-memory.dmp

        Filesize

        4KB

      • memory/1216-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/1216-0-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/1216-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-2-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/1216-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1216-3-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/4144-32-0x00000000005C0000-0x00000000005C1000-memory.dmp

        Filesize

        4KB

      • memory/4144-31-0x00000000005E0000-0x00000000005E1000-memory.dmp

        Filesize

        4KB