Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 09:43

General

  • Target

    $PLUGINSDIR/xml.dll

  • Size

    175KB

  • MD5

    0ad70d0ebf9562e53f2fd9518c3b04a3

  • SHA1

    4de4487e4d1e87b782eceb3b74d9510cc28b0c70

  • SHA256

    3bd4a099f0e0eefeaacfdba6c0ab760b6e9250167ba6a30eafaa668ca53ce5e9

  • SHA512

    f75e089f7eb44071f227cd9705b8e44982429f889f93230e98095aac60afc1bdd39a010787235c171cd9fb9ead8023043b147022ab007e8cf1c3204064905719

  • SSDEEP

    3072:vzjLkarn7O+n9z2L6whFtGF42bKgGoqVvbaNXubJ1JI:vzP7n7O7L6K2lqVvWIdjI

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 6 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 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\xml.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\xml.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3036
        • 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:3024
          • 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:3064
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3064 CREDAT:275457 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 224
        3⤵
        • Program crash
        PID:888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    3b77980f4b5e5d0f3c2abeee0696a195

    SHA1

    d1edf498b4c564d4aff09d538a35793ebdbc6782

    SHA256

    97e9689f8fddb1ca10e03a9669d7b3d7aeaa477200869ca3ecb25b8be6a7e5d9

    SHA512

    c39855f84ac7745e880198ba179cafb9c8264454a2bd1ce1f3dbe9416ae03eefaad93cce75a144ff3cd0fc0a4eb77180026f43945b8e2bb6068f2afa49934961

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    95e5f4f2474e33dbd3d280267d4f3754

    SHA1

    47031d465f1a2f1e6d76fa56ad041605aa5cdfd4

    SHA256

    6d86ffc1577c8a5bcf396ff8c132c447612d55e93bbcf66cae1f435f90114693

    SHA512

    1d7012faa941188af5846081afc8490b1e44bdf263167790a2ed7335326fe34a42d0e1ef05bcf2a1fb6cd3127993a9922fa8f8fedfdff77a991940e6c09659ff

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    869238567a1df4f413385eadb2e60658

    SHA1

    0ca32bc9a3c91674a3c4dad88ad10696067ba808

    SHA256

    d7aea525521b3bf7ed31f525127b863c692be8bb3bcb6c409542ed75dff9e14f

    SHA512

    417150304267bd8bfe7769c4d2630b2720c3c7d4d90b8f39db9af8f440f4b81765e66192aa546fd4b5f183e6e0531dd459d17ce5b275bdcb313262778f3564ea

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    0a43872cf3cc02afdcc2f2c1e45e204a

    SHA1

    9a934f133609aa4158865cb74af5b410f5eb5b3e

    SHA256

    d709a41e03bf2be8828d54713c57df9039c8abd53e6833ef288a03987ae929f7

    SHA512

    c3eb7b5375d5cced59a61b3176047ef48cf3b669f2f594abf8ea4d748ef40f3e41981c7b963a46f8f8de72ee660b9bbb286a968625afb6e624ce28685096c10f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    3ffe416d1403da358e1716cbd0eaf1df

    SHA1

    0efd2b827c783610406fde993979c5f724426a70

    SHA256

    a5c412ec63a148ad7d9d97e965cd8702c7040576521b19d0c4f65be74add35ca

    SHA512

    a4b95ffd57e73595047474d2a3532c597bef800dedffa85a1b523279411264c500e4b36fc35958a13634b206dc8cd2ede8205561c6c42068f1b3075f14c5aa02

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    8899f75b6b77ee7748916656bcd49d1a

    SHA1

    9c77637dbe8834b16abf67c2d325e87b9a7b4bb1

    SHA256

    3e46924148f3a6719eb9023dce5e2a0c233abc7df6c197e00f3506efd16e7309

    SHA512

    b0e399d8421c5b8dadad4e5ca450af31f6492db4f6f8092e630791ef3399f3d5d6bb4f6c5150bded90ea8565b03cd0efd9bd69b230e9e5196b71b7c2bd261dad

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    69c9607c1b467d70493fb929176275e8

    SHA1

    6fd731efef7bae729a2312f28797d893c56f0c71

    SHA256

    3fe2a1d7db9f384b95fd6a4904f28fa5c10edbe4d67fd0377f181b4d3ac64135

    SHA512

    83c5f0a2a37ac9f4608b259a09df8bc9ee13381d4b96ccfbc5a209f94e93d2ebb46a8515c581604a6fb6b19cfe59357a31495580afdd86ad2456df7c3f20d660

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    6edb78db0288258ac2cb5a25912f2c89

    SHA1

    6694f00f0817454c72772cbac84caf7baf8ce921

    SHA256

    7c72d6d77395b425e7cf251e280c753d37a06722ea8fcc371caa0f0383c08097

    SHA512

    1bbd414a796cb2b5841d379387cb41c56dfe060c375fcc357c99d93ff2303857f8eae3c18b23608b193d9857fd66f404c82a0451cd2122afaf85e9c2caf702f3

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    f065c708498673ac7a74d1b610d05a2b

    SHA1

    cd4c40e195dbf2f5b4337ecf800b3443591299f1

    SHA256

    23cb390fdac26f7f228d47e9c96d6d8e45b837cb05fcca6574c318024ce486c6

    SHA512

    30cc9c9ad2279f607004b08a161680fb6a2b179522a8aa42d10324f7c8b87367797ae790362d40f569fd7fe184f84a573d44edf917025cbc9cb80167d1f256e6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    2a3633ab632debb08c6ea7ff6b451cfe

    SHA1

    720322f7e3e9490c14194931b26e3f8861d11a06

    SHA256

    2ba89d046d4f1145903db2901a14493ad8cff285bcecc1abcd8f4a0fc9ffd400

    SHA512

    fb9cedde263b15828328e4b742736aa7a8b1fa22e1bf5bb826274399d561d2a6e4b56b09b1767d325d4f3c983bba638cf88e28966ecf727af2b077c0da6b1558

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    3871b169b1d2d170185ee5cf000b4372

    SHA1

    83bc9aa35d4461b864364975ba8630ba8964e938

    SHA256

    2f48cca0069ed000547c7904d6a6c557dee3a9f2fb2d7bb18037ade77b94fe79

    SHA512

    55949db0f9b51047bf17024397342549dc8af17c5a9d3acf3dcb2fa2efc0856f1b453898da17bc35dadd9bc6d21329f19d0601949bb4b799e0708afb22edc54f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c1e4860257f6fa93b73571f88f84cf2e

    SHA1

    c2c5cd9d3d6b9679a68b1b1e402a345c233f5189

    SHA256

    785832d428264f4f8b4c3a6043a56610759f0c9e1e7c30b0b1d325b03a82ddd3

    SHA512

    49d9be6a51ea0e78b99857dd965fd4ce3ba6037b3645e0f2a30a15c761501940e83d7ac57e201ced5d98eb2273118e3efb824327db19cb2df4eca8aae94f6872

  • C:\Users\Admin\AppData\Local\Temp\CabBCAD.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBD8B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/1148-25-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1148-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1148-24-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1148-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1148-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3024-23-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3024-21-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3024-20-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/3024-18-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3036-9-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3036-10-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3036-15-0x0000000000290000-0x00000000002BE000-memory.dmp

    Filesize

    184KB