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Analysis

  • max time kernel
    132s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 23:34

General

  • Target

    4e49b09fbd28a5355fa7021242d98f7cd1b7a617088fd636b5ed484a80453f9c.exe

  • Size

    512KB

  • MD5

    92ffca873da1d18c4768b9a36d0a3917

  • SHA1

    3021ad4141d4ceda795c016f5688093bfcf0aad6

  • SHA256

    4e49b09fbd28a5355fa7021242d98f7cd1b7a617088fd636b5ed484a80453f9c

  • SHA512

    a0b2673c9575946bc93d2562b1aedc00192d256e82e2974e00df74e5c79c6e7165ebb2a326e48db603b880cc5ce6d896483e24f5289e3308818fe45eeec14360

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4q:0+h9OY70z+warul3E4q

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\4e49b09fbd28a5355fa7021242d98f7cd1b7a617088fd636b5ed484a80453f9c.exe
    "C:\Users\Admin\AppData\Local\Temp\4e49b09fbd28a5355fa7021242d98f7cd1b7a617088fd636b5ed484a80453f9c.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:1752
    • C:\Users\Admin\AppData\Local\Temp\n2884\s2884.exe
      "C:\Users\Admin\AppData\Local\Temp\n2884\s2884.exe" 05230aa6f7ff0480aa2bfe35qHRCFHLkMvPOqB/RbmZh1K2luSSL0IycpDbeLAvqZxKp8dvU2SCLDVzqIcI0VX6cUPxtx9867urB5fjAE37Y4Pcga1+LqMj3Dz13hPbXe69mvnZD8ITBq0K1z6Ymx7Ts0k0W9Rb2u16J194KvKZCpO08 /v "C:\Users\Admin\AppData\Local\Temp\4e49b09fbd28a5355fa7021242d98f7cd1b7a617088fd636b5ed484a80453f9c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2884\s2884.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2884\s2884.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2884\s2884.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2884\s2884.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2884\s2884.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2884\s2884.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/268-62-0x000007FEF31B0000-0x000007FEF3BD3000-memory.dmp

    Filesize

    10.1MB

  • memory/268-63-0x000007FEF2110000-0x000007FEF31A6000-memory.dmp

    Filesize

    16.6MB

  • memory/268-64-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

    Filesize

    8KB

  • memory/268-65-0x0000000000916000-0x0000000000935000-memory.dmp

    Filesize

    124KB

  • memory/268-66-0x000007FEED980000-0x000007FEEE80F000-memory.dmp

    Filesize

    14.6MB

  • memory/268-67-0x000007FEF1E20000-0x000007FEF210A000-memory.dmp

    Filesize

    2.9MB

  • memory/268-68-0x0000000000916000-0x0000000000935000-memory.dmp

    Filesize

    124KB

  • memory/1752-54-0x0000000075111000-0x0000000075113000-memory.dmp

    Filesize

    8KB