Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 04:24

General

  • Target

    29a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317N.exe

  • Size

    95KB

  • MD5

    7298b6f583a7a5a3fad8adbacb8f22d0

  • SHA1

    fec8a84f2ce60c2bb0fd5c4595842c697c82cb73

  • SHA256

    29a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317

  • SHA512

    344f2907355b13b3fd112e8130a5f9043e0b2ce8194b83c7d32a0959d2eafc67d4099fcf2de2574ea164fcb05cb9c74ac084c892bad7a8430bb7e9755dcff807

  • SSDEEP

    1536:e3Ynb+B0cU3rkgqre/s9/Vbr27lbOgm3MhSn/s8Xo48FNSF5E8k8jwaaHw7Koj4K:EYnb+BR6X0/VbcbIMhe/nXo/eFFk8jw4

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 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 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317N.exe
    "C:\Users\Admin\AppData\Local\Temp\29a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3132
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:3004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 208
          3⤵
          • Program crash
          PID:3904
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:60
        • 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:3612
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3612 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:316
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3612 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1696
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3428
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 208
            3⤵
            • Program crash
            PID:2184
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1108
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3908
        • C:\Users\Admin\AppData\Local\Temp\dajyyjauwkqcqwvb.exe
          "C:\Users\Admin\AppData\Local\Temp\dajyyjauwkqcqwvb.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4260
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3004 -ip 3004
        1⤵
          PID:744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3428 -ip 3428
          1⤵
            PID:4688

          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

            fbd57568c7e969025fd7a77d6a9e5f45

            SHA1

            d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

            SHA256

            b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

            SHA512

            c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

            Filesize

            404B

            MD5

            d314519973de81a1a1cf56693e1875b0

            SHA1

            2a96f9a850bfb1fab076f9965a739b0be72acfba

            SHA256

            04aabade5107f5e9f15a6a265780cd2d0dce07fa895961ad5b50dde78dc236b6

            SHA512

            76e943d4595863c7ac4e22ea6fa49694d6121ec8fe2728982bc169939764252193e57008fec37dc8eea6502eb5c84113ec86ab13e1cb24514c4ef5cdc54a1124

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

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            95KB

            MD5

            7298b6f583a7a5a3fad8adbacb8f22d0

            SHA1

            fec8a84f2ce60c2bb0fd5c4595842c697c82cb73

            SHA256

            29a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317

            SHA512

            344f2907355b13b3fd112e8130a5f9043e0b2ce8194b83c7d32a0959d2eafc67d4099fcf2de2574ea164fcb05cb9c74ac084c892bad7a8430bb7e9755dcff807

          • memory/3004-9-0x0000000000830000-0x0000000000831000-memory.dmp

            Filesize

            4KB

          • memory/3004-8-0x0000000000850000-0x0000000000851000-memory.dmp

            Filesize

            4KB

          • memory/3132-6-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-4-0x00000000021B0000-0x00000000021B1000-memory.dmp

            Filesize

            4KB

          • memory/3132-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3132-11-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-17-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/3132-13-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-18-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-19-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-20-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/3132-0-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-5-0x00000000021C0000-0x00000000021C1000-memory.dmp

            Filesize

            4KB

          • memory/3132-2-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/3132-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3132-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4260-40-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB

          • memory/4260-39-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4260-37-0x0000000000400000-0x000000000043A0B8-memory.dmp

            Filesize

            232KB