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Analysis

  • max time kernel
    122s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 09:44

General

  • Target

    64bb34128b6642d69fa7725ce471bf21.exe

  • Size

    512KB

  • MD5

    64bb34128b6642d69fa7725ce471bf21

  • SHA1

    99e2dc43fbc4df406a32eea967634acba2f0e9c8

  • SHA256

    15a1ae756ab1355492d80a35a52e681ed5083cf4c92d0dd81552fa4a7ef33b58

  • SHA512

    b576e89c711a69a0ab124d32b7cefca52f37b62a7c0550039844c9d47b51d15676228ece965df038874b235716dac9174b7f768ee1c99af7efddb7b9bc004eff

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4g:0+h9OY70z+warul3E4g

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).

  • 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\64bb34128b6642d69fa7725ce471bf21.exe
    "C:\Users\Admin\AppData\Local\Temp\64bb34128b6642d69fa7725ce471bf21.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:2968
    • C:\Users\Admin\AppData\Local\Temp\n1899\s1899.exe
      "C:\Users\Admin\AppData\Local\Temp\n1899\s1899.exe" 46f9a147687eea12554a0c13exoExkSqd8uFsbFOul0mvkAEz7rmsxWZBAosg4rzDA0iy85BsUC0ZCI6WlnpB1YpPt4PD+giWfI9sq4XCVMq3nKxtj0Kwgz5mogTL7ZC5lzn4GVWW74jPU4NPU1gvXtJrsLMcoHgT/CmheMDgVJomzPV /v "C:\Users\Admin\AppData\Local\Temp\64bb34128b6642d69fa7725ce471bf21.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab955F.tmp

    Filesize

    7KB

    MD5

    07aec5663b56e6db03f6dc84b448ad65

    SHA1

    20c5ab398d8192d511291d9cbe3ac172c1cbbea8

    SHA256

    d399450f2ab44df2b4c7277ed701122368b63b1a4aeea6fb16c5805618e14834

    SHA512

    a1feab230c509348047517261ad4058ef8f34c68b112260229df9526a89638b39ad957eb8a160e0b77e1bd126a457853de9cec352316f74fb4a50c7d829061f9

  • C:\Users\Admin\AppData\Local\Temp\Tar9590.tmp

    Filesize

    91KB

    MD5

    62fb6771959d6b061ef7a4bee3459b89

    SHA1

    d918ff7bb088f92f5e93377fbd82de86afefbe95

    SHA256

    fd9f3da55ef6c09f3f3c9eb272e1477489887e98bd7835e4a0196b131f05a334

    SHA512

    6ae8d4b85c5bb6d7e368ee806000ce7570e6b80cf1433856d92f001263da8700b279f5f5da8c4aefc41cfe75c332935bae313b9e00edeb703629d2015a42b32d

  • C:\Users\Admin\AppData\Local\Temp\n1899\s1899.exe

    Filesize

    160KB

    MD5

    1a3c2921351a4667ca0899c434694cde

    SHA1

    268c06fa3cd56becbe99a2422714e91a3cb293b7

    SHA256

    b8fcb400a7d51906464d490ea7560f608537046a7f4688a4ac99d55467758aff

    SHA512

    82ecf6151bfe3e5d54cd5ac6e03703d7a1fd2ab75dbfd959212b5c3a5531116d563a2f03b780dc670f97f1cb0b55aca3283050d0937eaea06e98d40636f46925

  • \Users\Admin\AppData\Local\Temp\n1899\s1899.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1976-76-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-78-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-72-0x0000000000430000-0x0000000000442000-memory.dmp

    Filesize

    72KB

  • memory/1976-73-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-74-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-75-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-23-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-22-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

    Filesize

    9.6MB

  • memory/1976-77-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

    Filesize

    9.6MB

  • memory/1976-79-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-80-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

    Filesize

    9.6MB

  • memory/1976-81-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-82-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-83-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-84-0x0000000000380000-0x0000000000400000-memory.dmp

    Filesize

    512KB

  • memory/1976-85-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

    Filesize

    9.6MB