Analysis

  • max time kernel
    94s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 00:58

General

  • Target

    a1402c8778ac39986a2cd92bc130097a05fe195093ce43789e4d1770d2d7ea03.exe

  • Size

    514KB

  • MD5

    e53dc7c7eef9c9dd5486313439b25e17

  • SHA1

    de5bbc80f9a09b0150cbd6aa8e10ef4d291fb1ab

  • SHA256

    a1402c8778ac39986a2cd92bc130097a05fe195093ce43789e4d1770d2d7ea03

  • SHA512

    bc966d96e347922d42d1a46df8aea964b2a985bc9a6b365d35de2483fc0b5dccaaf480029210edd092b3e4a36d82a9ca6db3a28518b7f21b5a7302a6f77fbbe7

  • SSDEEP

    12288:ffv/cSGxdtQnvIIR40X7+u0Zpk2JjAUd19nVRkl:fn/cSa3QAIRRL30x0Ur9nol

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\a1402c8778ac39986a2cd92bc130097a05fe195093ce43789e4d1770d2d7ea03.exe
    "C:\Users\Admin\AppData\Local\Temp\a1402c8778ac39986a2cd92bc130097a05fe195093ce43789e4d1770d2d7ea03.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:848
    • C:\Users\Admin\AppData\Local\Temp\n5091\s5091.exe
      "C:\Users\Admin\AppData\Local\Temp\n5091\s5091.exe" d4ee8ad04a1e670ddf29f623F77Af0bvhyqSMnKWTlvD2lewx7nlwwIPdI6SPoxF1MThNwQDg2knKCpsXaVyM3cCavDjbf+KBeKlXXUiu+RuviP2BD+Ky+wJSJluy9kn+zrh/LsCKevafiUZzJG+fmfx02frIoiLSFKGiuNU5eDQWJQR /v "C:\Users\Admin\AppData\Local\Temp\a1402c8778ac39986a2cd92bc130097a05fe195093ce43789e4d1770d2d7ea03.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5091\s5091.exe

    Filesize

    231KB

    MD5

    b66df6b28fd3bfb63beea9dbb5382f1b

    SHA1

    c4fe023f020e73574421e684181f998a0645ce5e

    SHA256

    0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

    SHA512

    ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

  • C:\Users\Admin\AppData\Local\Temp\n5091\s5091.exe

    Filesize

    231KB

    MD5

    b66df6b28fd3bfb63beea9dbb5382f1b

    SHA1

    c4fe023f020e73574421e684181f998a0645ce5e

    SHA256

    0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

    SHA512

    ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

  • \Users\Admin\AppData\Local\Temp\n5091\s5091.exe

    Filesize

    231KB

    MD5

    b66df6b28fd3bfb63beea9dbb5382f1b

    SHA1

    c4fe023f020e73574421e684181f998a0645ce5e

    SHA256

    0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

    SHA512

    ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

  • \Users\Admin\AppData\Local\Temp\n5091\s5091.exe

    Filesize

    231KB

    MD5

    b66df6b28fd3bfb63beea9dbb5382f1b

    SHA1

    c4fe023f020e73574421e684181f998a0645ce5e

    SHA256

    0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

    SHA512

    ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

  • \Users\Admin\AppData\Local\Temp\n5091\s5091.exe

    Filesize

    231KB

    MD5

    b66df6b28fd3bfb63beea9dbb5382f1b

    SHA1

    c4fe023f020e73574421e684181f998a0645ce5e

    SHA256

    0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

    SHA512

    ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

  • \Users\Admin\AppData\Local\Temp\n5091\s5091.exe

    Filesize

    231KB

    MD5

    b66df6b28fd3bfb63beea9dbb5382f1b

    SHA1

    c4fe023f020e73574421e684181f998a0645ce5e

    SHA256

    0db644f7311d596a0cabe95985b716f63edde6b296e9ff8fd30633497c1b9a53

    SHA512

    ab4dbe774d9c7e396504584988bcff858779e29b1fc5b717cb7c98633b78dcc104d1853462f846e1a0aa535ce545acaff946ebcad6f82fed8bbd49944ff7c791

  • memory/848-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

    Filesize

    8KB

  • memory/1348-62-0x000007FEF4070000-0x000007FEF4A93000-memory.dmp

    Filesize

    10.1MB

  • memory/1348-63-0x000007FEF2FD0000-0x000007FEF4066000-memory.dmp

    Filesize

    16.6MB

  • memory/1348-64-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp

    Filesize

    8KB

  • memory/1348-65-0x0000000000966000-0x0000000000985000-memory.dmp

    Filesize

    124KB

  • memory/1348-66-0x000007FEEE540000-0x000007FEEF3CF000-memory.dmp

    Filesize

    14.6MB

  • memory/1348-67-0x000007FEF2B90000-0x000007FEF2E7A000-memory.dmp

    Filesize

    2.9MB

  • memory/1348-68-0x0000000000966000-0x0000000000985000-memory.dmp

    Filesize

    124KB