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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/12/2024, 12:32

General

  • Target

    bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd.exe

  • Size

    27KB

  • MD5

    7bf897ca59b77ad3069c07149c35f97e

  • SHA1

    6951dc20fa1e550ec9d066fe20e5100a9946a56b

  • SHA256

    bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd

  • SHA512

    6e0725043262eec328130883b8c6a413c03fa11e766db44e6e2595dfa5d3e13d02b7a199105cad8439c66238cf2975099d40b33cdaeb4768da159060b6f35daf

  • SSDEEP

    384:rLptwff1tqGIOfIBTkqS61bPGdrNM1AQk93vmhm7UMKmIEecKdbXTzm9bVhcar6v:/pqffy3LN1A/vMHTi9bD

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd.exe
    "C:\Users\Admin\AppData\Local\Temp\bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\Bloxflip Predictor.exe
      "C:\Windows\Bloxflip Predictor.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
        3⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3836
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3648
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Windows\Bloxflip Predictor.exe"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:3740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

    Filesize

    1KB

    MD5

    46a6cc8edbac6fcb6592b48a1436921d

    SHA1

    da395b4e26bb49d4f43e69400b6e40e26d57d56a

    SHA256

    3bc3c5a84a177af7561b2b1f13939587355975aa6cecbc2397aebe982910d872

    SHA512

    042b197247febd683af94391002191480a6e516fb16f3938d913872580ccb8ebd6d1da3c39757a456bccf25a797081bcfb8e3dc3b9629860fca74d432d0ca843

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

    Filesize

    1KB

    MD5

    afe21776a90a0200834f8210ab3e3108

    SHA1

    37ddb555951125bbb34670cd5134423d0b121a4a

    SHA256

    9f1374a7f097da9b422697e38ab502a73f569193d6f66fc85af64f64ca855cac

    SHA512

    2a199f41442b0e5d06b8b602d6866685764ee33837bd9813959f9feaf9c7ed4c03b5af9e2c7101e6dbcfa9028e10e831a348050a7cf63f1b7da14b476f3b4d2a

  • C:\Windows\Bloxflip Predictor.exe

    Filesize

    27KB

    MD5

    7bf897ca59b77ad3069c07149c35f97e

    SHA1

    6951dc20fa1e550ec9d066fe20e5100a9946a56b

    SHA256

    bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd

    SHA512

    6e0725043262eec328130883b8c6a413c03fa11e766db44e6e2595dfa5d3e13d02b7a199105cad8439c66238cf2975099d40b33cdaeb4768da159060b6f35daf

  • memory/1972-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

    Filesize

    4KB

  • memory/1972-1-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-2-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-5-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

    Filesize

    4KB

  • memory/1972-6-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-17-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB

  • memory/3476-16-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB

  • memory/3476-18-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB

  • memory/3476-23-0x0000000074EC0000-0x0000000075471000-memory.dmp

    Filesize

    5.7MB