Analysis

  • max time kernel
    93s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2025, 04:00

General

  • Target

    abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510N.exe

  • Size

    216KB

  • MD5

    04da68ccae7faa684abfc3bc0b58cb40

  • SHA1

    3df3a4e5a8c7226080c62db1eaafc01ad8d6a9a3

  • SHA256

    abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510

  • SHA512

    197a4598b306e07473ee634d68b684ca094cb9021c9690875d3a2205d44ce46ae5ac8ebe82377744540d34ab46d720b3c277a8d041c69caf783733b587e35a29

  • SSDEEP

    3072:Ol6EgmJBkSju7dMIplpdWnWf1WYCPTkG8M8kkRqX66poLD8x8VnvupmYmcNovxC:O3BPju7B3zjNWlIG88k666qfVUFOpC

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510N.exe
    "C:\Users\Admin\AppData\Local\Temp\abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Users\Admin\AppData\Local\Temp\abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510Nmgr.exe
      C:\Users\Admin\AppData\Local\Temp\abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510Nmgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Program Files (x86)\Microsoft\WaterMark.exe
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        3⤵
        • 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:4220
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:3468
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 204
              5⤵
              • Program crash
              PID:4212
          • 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:4988
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4988 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:376
          • 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:1032
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1032 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 356
        2⤵
        • Program crash
        PID:1816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3468 -ip 3468
      1⤵
        PID:492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3712 -ip 3712
        1⤵
          PID:3888

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          471B

          MD5

          9e22a9c34466faf7bc9cf642444b3f30

          SHA1

          0ac45262532cce40083cc9049fb12d4efb06c01f

          SHA256

          57569469879a3144b391cf9def258ad9ef29d7fd1d3d70a28cfb506443d7a119

          SHA512

          c60649fb0ecdd14c9a6d8f9ea7ac4356b24a5e1a238705bbc8294b72ea2fda21965af200746ae20dd5f45e386fc30e2189de6007e08ff3d7ec72b8dfc39435fe

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

          Filesize

          404B

          MD5

          d03ba290d695a6bcc5b71c3186e39c74

          SHA1

          595c809e8b71dc8402b93f841b6872e21fb5696c

          SHA256

          00ef615d26874dbdf8dd9b81ecf10c8a2f152f524d8249366a07052022b5f12d

          SHA512

          014519b045fd78665c94f86a07f7b4cc1190f872eafc118d6ebeab88d1f1c2eff19155d6e659f6987abb09ac9699b2c5ea30bce57ed2f8985246f4197f9bd49f

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

          Filesize

          404B

          MD5

          9b3d9eb052ca115097b0f6eec45ae7d3

          SHA1

          0ce5b5272c1bb6c5ae5a6f671f100b7853f9067f

          SHA256

          192afa7a1758008a79515e8928326c37c12d38d882d16d358d66c6dc98718646

          SHA512

          668788c4c126de344916bda4222bcdfe98b5e781179a9d775a8fad296db6c254fb65a8cb17d176e7e38bdc9d98cc0045e700226aaae8d8a90c5dc9284869e491

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{752EA46A-D3BE-11EF-ADF2-CAFD856C81B1}.dat

          Filesize

          3KB

          MD5

          e714407ad07d2ee1a05d78ad66ace58c

          SHA1

          5d70d017a410a92de67979f8fc21cad67fc9a4a7

          SHA256

          a3dcc2b843fc43396171e4101f72ece0773055fdcd85372d6991278ccca0885e

          SHA512

          13c3bbbeb860f9d4c6f952d8b73e693161822b5fb793ba93c6f4cf811a545d45ec4472e8ebdd2625aa65af6ecdf776289194da48e55b6a0b96da6e0d015e6993

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{75310672-D3BE-11EF-ADF2-CAFD856C81B1}.dat

          Filesize

          5KB

          MD5

          4bfea7a49ebdc3858e15eb2e94686557

          SHA1

          edc19c3d9bed1ec32a0b0e9a968ee49c424fe734

          SHA256

          94c122e8199444f2595a91a91df953e92afcfa5021b15c047906fb65c56b89a9

          SHA512

          a8f3145085d931b123aafcf9e41ea5e01cea89b2821a3fc198ddbbdcc4554b34fa00edc191b1c4dc995e2ebe30439a144c9d29fc4bccab17f3a22834d9b9f829

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\AppData\Local\Temp\abfc874a90bfc092dc4eda51f6857740972e9a644019f8573276ab85566b9510Nmgr.exe

          Filesize

          59KB

          MD5

          a2140ffa40095f183b9391c0d3173462

          SHA1

          114f9b32c8c3b443bc6b6d136e5367160f04597d

          SHA256

          a816e9d9ac773fc178756269ac79c93f61c33b8f4c92fca08e89b1eb31fe2b53

          SHA512

          037ff28bb852c8ded8c8a980b65e32eaad8f6a3bd33fb122f097507bc4a756b4c34b8bc37ffa581ed21e29de21a84af279f5fc6cfecf87e5d4bd2bc955d4804b

        • memory/4220-26-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4220-21-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4220-23-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4220-20-0x00000000004B0000-0x00000000004B1000-memory.dmp

          Filesize

          4KB

        • memory/4532-4-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4532-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4532-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4532-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4532-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4532-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB