Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 14:41

General

  • Target

    8018688837cddbc6e01a729ebd88cb41.exe

  • Size

    540KB

  • MD5

    8018688837cddbc6e01a729ebd88cb41

  • SHA1

    dd1d4341340c77ecd7345f2b537fa6281ca186a3

  • SHA256

    e67910442a47a80b2d0f01be4e99339586d2476000a9ada39b3787ee8361f8fc

  • SHA512

    4e5ecab5b4576627bb474cacaf9ab135f22a5e11e99a935c7b136f0874fd425a56041eaa594d049cf8ec835168359b99079b371a8efe57d2146f710c20ed9bec

  • SSDEEP

    12288:oFZCv7TnOqMiWaf7BI3aJdJZie1LRgT4y9MMnMMMMMtM/E:UZCzTOqx97BRa0OLMMnMMMMMt

Score
8/10

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8018688837cddbc6e01a729ebd88cb41.exe
    "C:\Users\Admin\AppData\Local\Temp\8018688837cddbc6e01a729ebd88cb41.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2996
    • C:\ProgramData\sAaAVcAvvOACS.exe
      "C:\ProgramData\sAaAVcAvvOACS.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\sAaAVcAvvOACS.exe

    Filesize

    540KB

    MD5

    8018688837cddbc6e01a729ebd88cb41

    SHA1

    dd1d4341340c77ecd7345f2b537fa6281ca186a3

    SHA256

    e67910442a47a80b2d0f01be4e99339586d2476000a9ada39b3787ee8361f8fc

    SHA512

    4e5ecab5b4576627bb474cacaf9ab135f22a5e11e99a935c7b136f0874fd425a56041eaa594d049cf8ec835168359b99079b371a8efe57d2146f710c20ed9bec

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

    Filesize

    344B

    MD5

    958a9d75307f82ffb5c619c41651094e

    SHA1

    a1633ba48fc353ac0320dbf790f9fa018f13a0ca

    SHA256

    6ef78ed1a32fcb7fc0d570832cf57d76b974b3b95fcb1f3f66c3bfe0fc40fff4

    SHA512

    6b95f6fba38b59f54d1f077a81f00431efcc7d6f6ab2dd62100bfc057f11efea45002daa7ae1ad9dae134d1b8dae4c750de859db18293fd01f5d1f4f8aa95a0e

  • C:\Users\Admin\AppData\Local\Temp\Cab4202.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar42A1.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2996-1-0x0000000002380000-0x0000000002510000-memory.dmp

    Filesize

    1.6MB

  • memory/2996-3-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/2996-86-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB