Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 13:22

General

  • Target

    e1c448b6b98a231ca9a8529f82eb702d.exe

  • Size

    166KB

  • MD5

    e1c448b6b98a231ca9a8529f82eb702d

  • SHA1

    8d57de92ce60fbca562fef596006c7aa28885ed7

  • SHA256

    357ccf22db104e18215de1ee6e16817880594f488705b97f54d0b0599b2af29c

  • SHA512

    f13bb4ae08353308e47e330647ab7a2d1675ad1b07588dea7b8cba98777cdabf2c227f3c70d74793408a8d00993c265661f7f51705020aee65d5c4995858e3ee

  • SSDEEP

    3072:NdKFOoL16A4gVr9kYaQBqaFM2oVhyAn1+p:7KF/LAFgVrwwM2uf1W

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702d.exe
    "C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe
      C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Program Files (x86)\Microsoft\WaterMark.exe
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:3112
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:3368
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 208
              5⤵
              • Program crash
              PID:4460
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            PID:2408
          • 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:2864
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2864 CREDAT:17410 /prefetch:2
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3368 -ip 3368
      1⤵
        PID:792
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4120

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\suggestions[1].en-US

                Filesize

                17KB

                MD5

                5a34cb996293fde2cb7a4ac89587393a

                SHA1

                3c96c993500690d1a77873cd62bc639b3a10653f

                SHA256

                c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                SHA512

                e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

              • C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe

                Filesize

                96KB

                MD5

                8c51fd9d6daa7b6137634de19a49452c

                SHA1

                db2a11cca434bacad2bf42adeecae38e99cf64f8

                SHA256

                528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

                SHA512

                b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

              • memory/220-9-0x00000000001C0000-0x00000000001EC000-memory.dmp

                Filesize

                176KB

              • memory/220-0-0x00000000001C0000-0x00000000001EC000-memory.dmp

                Filesize

                176KB

              • memory/2544-17-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-10-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-7-0x0000000000400000-0x0000000000435000-memory.dmp

                Filesize

                212KB

              • memory/2544-12-0x00000000008B0000-0x00000000008B1000-memory.dmp

                Filesize

                4KB

              • memory/2544-13-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-14-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-11-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-15-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-6-0x0000000000400000-0x0000000000435000-memory.dmp

                Filesize

                212KB

              • memory/2544-18-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/2544-5-0x0000000000400000-0x0000000000435000-memory.dmp

                Filesize

                212KB

              • memory/3112-31-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/3112-33-0x0000000000060000-0x0000000000061000-memory.dmp

                Filesize

                4KB

              • memory/3112-34-0x0000000077032000-0x0000000077033000-memory.dmp

                Filesize

                4KB

              • memory/3112-39-0x0000000000070000-0x0000000000071000-memory.dmp

                Filesize

                4KB

              • memory/3112-38-0x0000000077032000-0x0000000077033000-memory.dmp

                Filesize

                4KB

              • memory/3112-40-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/3112-41-0x0000000000400000-0x0000000000421000-memory.dmp

                Filesize

                132KB

              • memory/3112-24-0x0000000000400000-0x0000000000435000-memory.dmp

                Filesize

                212KB

              • memory/3368-36-0x0000000000670000-0x0000000000671000-memory.dmp

                Filesize

                4KB

              • memory/3368-37-0x0000000000650000-0x0000000000651000-memory.dmp

                Filesize

                4KB