Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2023, 13:03

General

  • Target

    c30e9f8272d0ad84ce2ce3bb6179e77af0e7e086.exe

  • Size

    449KB

  • MD5

    ad8256cb4be1b817a6df0726f8cdee0f

  • SHA1

    c30e9f8272d0ad84ce2ce3bb6179e77af0e7e086

  • SHA256

    65c9f0517f21362d05bbc7361cf2fa89ae13933ac6f5d1c2092fff55795c20f3

  • SHA512

    5bbafeeb2fa046b9330268258e3bba987a7d270e3ce28d798db271e01e9ae663419a8fcab723c62d03c6d828ca7a61877efbadad71d3e454adc2ae95fff79593

  • SSDEEP

    6144:SYa6VqwZutS+e5zeoD4P4uEhgVZx8Yr/V3qCSoC/LAIkmiFTo+mo:SY3tutXe5DD4PjogVP8sqC5CDqFEm

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\c30e9f8272d0ad84ce2ce3bb6179e77af0e7e086.exe
      "C:\Users\Admin\AppData\Local\Temp\c30e9f8272d0ad84ce2ce3bb6179e77af0e7e086.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe
        "C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe" C:\Users\Admin\AppData\Local\Temp\lbshjq.yn
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1432
        • C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe
          "C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1600
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1212

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\lbshjq.yn

      Filesize

      5KB

      MD5

      3124e67d01e1a0935444d2b26a0d1aff

      SHA1

      99582b04f7e6333532dd34c07223319b98679ccb

      SHA256

      48e32963ad7afb05c5ea31b67a9eb75a973ca5f3793fd2e28568496099ae8af2

      SHA512

      479baf167743b8ccc21d46a409e4cf937e6667a7c417d03b9f17a2b5b7812e91b467d977d328429b6f3caeae123e9c7a53ba20a9131b7b313c920a6b518a8678

    • C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe

      Filesize

      61KB

      MD5

      8b2553bfab2c74f153508617e6111f0a

      SHA1

      85a6b8674329fa5a77145f11854ec27b773b9a40

      SHA256

      9be3756445bf3f93b1da094323358cd20eddb7141706e2b920bf3b2ec46be3cf

      SHA512

      a98f8f2daf9fe2646fbaf24f0d947862b58e65e64a4193e72a627e026a2039ad4ea2bb4d6a813e34c1b32e717f777240325f08452b07ba3153cc5d698cea0895

    • C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe

      Filesize

      61KB

      MD5

      8b2553bfab2c74f153508617e6111f0a

      SHA1

      85a6b8674329fa5a77145f11854ec27b773b9a40

      SHA256

      9be3756445bf3f93b1da094323358cd20eddb7141706e2b920bf3b2ec46be3cf

      SHA512

      a98f8f2daf9fe2646fbaf24f0d947862b58e65e64a4193e72a627e026a2039ad4ea2bb4d6a813e34c1b32e717f777240325f08452b07ba3153cc5d698cea0895

    • C:\Users\Admin\AppData\Local\Temp\oslngvyxu.exe

      Filesize

      61KB

      MD5

      8b2553bfab2c74f153508617e6111f0a

      SHA1

      85a6b8674329fa5a77145f11854ec27b773b9a40

      SHA256

      9be3756445bf3f93b1da094323358cd20eddb7141706e2b920bf3b2ec46be3cf

      SHA512

      a98f8f2daf9fe2646fbaf24f0d947862b58e65e64a4193e72a627e026a2039ad4ea2bb4d6a813e34c1b32e717f777240325f08452b07ba3153cc5d698cea0895

    • C:\Users\Admin\AppData\Local\Temp\pxxutqsis.ash

      Filesize

      205KB

      MD5

      37e4b21bc0f3710673a6a78da892f357

      SHA1

      cd657db285bc9d576e5199042d5cb639c65116b0

      SHA256

      d4d9390c3260f3c1bad24a80b4f466be3a76f75a05bc43f78b397aae0864b096

      SHA512

      1596550c54d99d46d9452a830e886d025847ad1fbd3f2283723e2612ff9a42d5b749b9c27b51ed5a9c419cbeaf943b1d7ee51a048647f62434cfbfc395524892

    • \Users\Admin\AppData\Local\Temp\oslngvyxu.exe

      Filesize

      61KB

      MD5

      8b2553bfab2c74f153508617e6111f0a

      SHA1

      85a6b8674329fa5a77145f11854ec27b773b9a40

      SHA256

      9be3756445bf3f93b1da094323358cd20eddb7141706e2b920bf3b2ec46be3cf

      SHA512

      a98f8f2daf9fe2646fbaf24f0d947862b58e65e64a4193e72a627e026a2039ad4ea2bb4d6a813e34c1b32e717f777240325f08452b07ba3153cc5d698cea0895

    • \Users\Admin\AppData\Local\Temp\oslngvyxu.exe

      Filesize

      61KB

      MD5

      8b2553bfab2c74f153508617e6111f0a

      SHA1

      85a6b8674329fa5a77145f11854ec27b773b9a40

      SHA256

      9be3756445bf3f93b1da094323358cd20eddb7141706e2b920bf3b2ec46be3cf

      SHA512

      a98f8f2daf9fe2646fbaf24f0d947862b58e65e64a4193e72a627e026a2039ad4ea2bb4d6a813e34c1b32e717f777240325f08452b07ba3153cc5d698cea0895

    • \Users\Admin\AppData\Local\Temp\oslngvyxu.exe

      Filesize

      61KB

      MD5

      8b2553bfab2c74f153508617e6111f0a

      SHA1

      85a6b8674329fa5a77145f11854ec27b773b9a40

      SHA256

      9be3756445bf3f93b1da094323358cd20eddb7141706e2b920bf3b2ec46be3cf

      SHA512

      a98f8f2daf9fe2646fbaf24f0d947862b58e65e64a4193e72a627e026a2039ad4ea2bb4d6a813e34c1b32e717f777240325f08452b07ba3153cc5d698cea0895

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll

      Filesize

      1.0MB

      MD5

      f1e5f58f9eb43ecec773acbdb410b888

      SHA1

      f1b8076b0bbde696694bbc0ab259a77893839464

      SHA256

      a15fd84ee61b54c92bb099dfb78226548f43d550c67fb6adf4cce3d064ab1c14

      SHA512

      0aff96430dd99bb227285fefc258014c301f85216c84e40f45702d26cdd7e77261a41fd3811d686f5fb2ee363cc651a014e8ffa339384004cece645a36486456

    • memory/1376-75-0x0000000004F10000-0x0000000004FF8000-memory.dmp

      Filesize

      928KB

    • memory/1376-76-0x0000000004F10000-0x0000000004FF8000-memory.dmp

      Filesize

      928KB

    • memory/1376-68-0x0000000004DB0000-0x0000000004E7A000-memory.dmp

      Filesize

      808KB

    • memory/1564-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

      Filesize

      8KB

    • memory/1600-66-0x0000000000AD0000-0x0000000000DD3000-memory.dmp

      Filesize

      3.0MB

    • memory/1600-67-0x0000000000110000-0x0000000000120000-memory.dmp

      Filesize

      64KB

    • memory/1600-65-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1732-71-0x0000000000090000-0x00000000000A4000-memory.dmp

      Filesize

      80KB

    • memory/1732-72-0x00000000000B0000-0x00000000000DD000-memory.dmp

      Filesize

      180KB

    • memory/1732-73-0x00000000021D0000-0x00000000024D3000-memory.dmp

      Filesize

      3.0MB

    • memory/1732-74-0x0000000002000000-0x000000000208F000-memory.dmp

      Filesize

      572KB