Analysis

  • max time kernel
    68s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:01

General

  • Target

    cac45009e70727a4695b01613e4a7cb33e0d5a12e405a1b08006befd507af2de.exe

  • Size

    514KB

  • MD5

    334efa83c5664bd56750741b3d803d4a

  • SHA1

    833a4616afcb615a7509c72ed774d5297e6999f4

  • SHA256

    cac45009e70727a4695b01613e4a7cb33e0d5a12e405a1b08006befd507af2de

  • SHA512

    2ceb2986c1c2499a30dc0cb36e606c75a3fbd00220ff8f7d0c70df35ba804f89ec8cd17ed4ce8dff92c0e47bcbba4a3058bf6de81a99291584d9bcf6eb6f29d3

  • SSDEEP

    12288:ffv/cSGxdtQnvIIR40X7+u0Zpk2JjAUd19nVRkY:fn/cSa3QAIRRL30x0Ur9noY

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cac45009e70727a4695b01613e4a7cb33e0d5a12e405a1b08006befd507af2de.exe
    "C:\Users\Admin\AppData\Local\Temp\cac45009e70727a4695b01613e4a7cb33e0d5a12e405a1b08006befd507af2de.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\n5972\s5972.exe
      "C:\Users\Admin\AppData\Local\Temp\n5972\s5972.exe" 1aa8bc30a131f04057980410Wv0vZTx1Ypp5w8l4JK2yLyKIzl2lnbmxJU/vBxmrUV4DyRVWcNkiGmEc+6THmeo95zV6INnTdWXwJoik2NYPGFQJuvkOuoqh0lv3YgRUqW9UhP82f+q2WDNkaT0Y+QR4e2ljPmoffrmoU/gymJsPp1hJ /v "C:\Users\Admin\AppData\Local\Temp\cac45009e70727a4695b01613e4a7cb33e0d5a12e405a1b08006befd507af2de.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2024

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5972\s5972.exe

          Filesize

          231KB

          MD5

          b66df6b28fd3bfb63beea9dbb5382f1b

          SHA1

          c4fe023f020e73574421e684181f998a0645ce5e

          SHA256

          0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

          SHA512

          ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

        • C:\Users\Admin\AppData\Local\Temp\n5972\s5972.exe

          Filesize

          231KB

          MD5

          b66df6b28fd3bfb63beea9dbb5382f1b

          SHA1

          c4fe023f020e73574421e684181f998a0645ce5e

          SHA256

          0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

          SHA512

          ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

        • \Users\Admin\AppData\Local\Temp\n5972\s5972.exe

          Filesize

          231KB

          MD5

          b66df6b28fd3bfb63beea9dbb5382f1b

          SHA1

          c4fe023f020e73574421e684181f998a0645ce5e

          SHA256

          0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

          SHA512

          ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

        • \Users\Admin\AppData\Local\Temp\n5972\s5972.exe

          Filesize

          231KB

          MD5

          b66df6b28fd3bfb63beea9dbb5382f1b

          SHA1

          c4fe023f020e73574421e684181f998a0645ce5e

          SHA256

          0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

          SHA512

          ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

        • \Users\Admin\AppData\Local\Temp\n5972\s5972.exe

          Filesize

          231KB

          MD5

          b66df6b28fd3bfb63beea9dbb5382f1b

          SHA1

          c4fe023f020e73574421e684181f998a0645ce5e

          SHA256

          0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

          SHA512

          ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

        • \Users\Admin\AppData\Local\Temp\n5972\s5972.exe

          Filesize

          231KB

          MD5

          b66df6b28fd3bfb63beea9dbb5382f1b

          SHA1

          c4fe023f020e73574421e684181f998a0645ce5e

          SHA256

          0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

          SHA512

          ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

        • memory/1228-54-0x0000000075C41000-0x0000000075C43000-memory.dmp

          Filesize

          8KB

        • memory/2024-62-0x000007FEF4500000-0x000007FEF4F23000-memory.dmp

          Filesize

          10.1MB

        • memory/2024-63-0x000007FEF3220000-0x000007FEF42B6000-memory.dmp

          Filesize

          16.6MB

        • memory/2024-64-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

          Filesize

          8KB

        • memory/2024-65-0x000007FEEEC20000-0x000007FEEFAAF000-memory.dmp

          Filesize

          14.6MB

        • memory/2024-66-0x0000000001EA6000-0x0000000001EC5000-memory.dmp

          Filesize

          124KB

        • memory/2024-67-0x000007FEEE930000-0x000007FEEEC1A000-memory.dmp

          Filesize

          2.9MB

        • memory/2024-68-0x0000000001EA6000-0x0000000001EC5000-memory.dmp

          Filesize

          124KB