Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/05/2024, 21:55

General

  • Target

    0d13f10ee700c117477011784fd404780fa86504a8976f7d1e4e45a00c963fa2.dll

  • Size

    5.0MB

  • MD5

    a7e65143d36eb40c13d04b26cfce91c7

  • SHA1

    192974951ec6158099569c957540cd0b6dc838a2

  • SHA256

    0d13f10ee700c117477011784fd404780fa86504a8976f7d1e4e45a00c963fa2

  • SHA512

    100f1e2aac82d81f7a45ceddb90680627e3d5f512ffd883dafb9594eaa96123c228add73b0b21aa1920c398922b1032b0895427c04436be54cad7e775247f618

  • SSDEEP

    98304:PGuOaRQyiAPGLD8f5eIBOxHQT3xma1BPepZUsx6HTpKVc:hRQyTheIUedVBGpZUg6HTpd

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 6 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 16 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d13f10ee700c117477011784fd404780fa86504a8976f7d1e4e45a00c963fa2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d13f10ee700c117477011784fd404780fa86504a8976f7d1e4e45a00c963fa2.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Users\Admin\AppData\Local\Temp\{E2287C07-620A-429c-9643-89E1DB40BFB5}.tmp\KB931125.exe
        "C:\Users\Admin\AppData\Local\Temp\{E2287C07-620A-429c-9643-89E1DB40BFB5}.tmp\KB931125.exe"
        3⤵
        • Modifies Installed Components in the registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe authroots.sst
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:2440
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe updroots.sst
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:2840
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe -l roots.sst
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:2896
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe -d delroots.sst
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 308
        3⤵
        • Program crash
        PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\authroots.sst

    Filesize

    73KB

    MD5

    bb49ccc10926cdb601eba81afef749a2

    SHA1

    a4766c9aea8d211e9632148fd4b625cece195be9

    SHA256

    f013ee3b7fede9a95844e83e83ee298d38cba6efce5a5cafcd8b95255c32f86c

    SHA512

    94c2809727039d1ed07a3742a4b2f9300e865ea7c49bc1fcf547a30238eeecc88d8dd06a2d4f3112317f948908b9af082b50f412a41a2bcb48d5e30d6d8ecbba

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\delroots.sst

    Filesize

    9KB

    MD5

    7b32871e409608ff887b6cf4d87debb0

    SHA1

    191f9ea1298ee52dbd6f977b3584109a064f57b9

    SHA256

    3f01268547364d2d60a0f65b46757cccfd9225fc39d581846a8fbffdb5756ff2

    SHA512

    534a384f7946db4083e639b8e02d83ac97293c60630b8811a84c85e0330e9c293f05f5cf71e0f3580551e7923bc5a3bfb7f0406432ca3cdb7efeb4a950ac5e8a

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\roots.sst

    Filesize

    7KB

    MD5

    9e5de0fd1f90486a66dee4bfe89a78d7

    SHA1

    90e3188ef63495aaa71c85d4ff0f23253c834b40

    SHA256

    8b95ff56d61586582864d05563762615c8705779578dca3c98a303c3b1f4122e

    SHA512

    60006fa6f57e4d280642d51055f85f8d27b913ce71373de5b928c515c77647295030ab73ab4a55024de4a40c18f200909f49ffb52c26cf554835fc3d4cc348f1

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rootsupd.inf

    Filesize

    1KB

    MD5

    421e60325404f5f29ac04c9b9d59096b

    SHA1

    aace2fd74d799e8af5c8d5b2646361bb67a1620c

    SHA256

    571a8da5298aacc37700c747ee5d72b5a7797835140e7a4d4f895e9604574d77

    SHA512

    86693975b1b187ee65b0a23b1f3f8e05d1a3f61e7e47b060f938fe1602bbad96021847b709e64c2d5a295b72f10f4db587a11a1e7ca0a0b64c3bed7fa683b1d2

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.sst

    Filesize

    320KB

    MD5

    2d9b4498c847715418160bfd7e7c8a2d

    SHA1

    e0873091d476d2566aa6fc988cb364247c95dc97

    SHA256

    c49c05b701c390c679e5e3226ec621f22a08155b1065fcfc37b509f648f03b41

    SHA512

    dcf3208cdd1e4353f82823f796d735c1209f149f183eea827a90753ec55509a1c460a16c120e07c12a5eacf0e67d2661c25638491ecf4403e25d6508983e519b

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\ADVPACK.DLL

    Filesize

    89KB

    MD5

    a64e4b204d44548eeb5c3d86eca2ad70

    SHA1

    e3245bf6dbb2e56d71a9cbad2697aa4fa0df6bbe

    SHA256

    985a5603ebf94539ac11549999f83b5e6dc008180994898c5daa6fd31ae1e9dc

    SHA512

    dca4099318954bab5f1204645be0d0e8fea0c2e97ee95496fa884fbed627e376358623fa94c39bf0abe97d07d46a7e6c5e1081496cdd1987e07e595995a46cd5

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\updroots.exe

    Filesize

    5KB

    MD5

    9c18ae971cbffb096952177f6804ea31

    SHA1

    bb255dd1bd9bb39cdbb8671af66054432c686828

    SHA256

    2703c25453b09c40ee81fdc458b8cc24712e387a12d15ff94e12b02921fe98cb

    SHA512

    21086509bb4ea5afede55d034955de0bdf8b366d5d8d4bfa7a6c68b0f35fbf217ff3e932f87fc1d37f09022805e79ceeecbaf3dbccbd96d7c93029ffe7370e4c

  • \Users\Admin\AppData\Local\Temp\{2835170C-55B7-4aa1-906B-D2AB0AEA01D2}.tmp\7z.dll

    Filesize

    1.1MB

    MD5

    a6d0784011092569848b236a769aa90e

    SHA1

    fb53f64a54bc4e09f512b6b183f7f37d0a9b418c

    SHA256

    1cad6f2cb62cc06974d417d73b0e2eb1503cc2e9054a060ad179cc425fa4959a

    SHA512

    dd37421471bb120ca7edef135dabd3f1ac2edfdef71519c5182948ca44417b536adf8681a3432d1f41650fff24ea9eba9115da3ade5b7abe6e3d73f685a23fc9

  • \Users\Admin\AppData\Local\Temp\{E2287C07-620A-429c-9643-89E1DB40BFB5}.tmp\KB931125.exe

    Filesize

    349KB

    MD5

    4a4d72d34f9da1fc5019e0748fcde2f5

    SHA1

    f54752ec63369522f37e545325519ee434cdf439

    SHA256

    83b660f3f3eaddd4b388ed3f806f7444f03429fb63fc1f8db3d86294914a05ca

    SHA512

    95986ffbf51483a0d1a256028847c7ee6ac73ffd62f6d838309a69e1833f719a7cfed5422815f4d4a49dbd599c449f8db8f60273136720cb1da5f8b0eb24cb33