Analysis

  • max time kernel
    108s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 07:46

General

  • Target

    6b7131dad910ce1f911537f662fe1ea58c0ca79f0ec9d48f9fad5555c60edef1.exe

  • Size

    512KB

  • MD5

    fac0f2b5e5bcb99fb1aff8d0ee0e3397

  • SHA1

    a9ed1b16432b23532cda7c2a8d4e35fe05b00238

  • SHA256

    6b7131dad910ce1f911537f662fe1ea58c0ca79f0ec9d48f9fad5555c60edef1

  • SHA512

    c4a694c87d084c640222b408157450996488d43c5cb7dead2eab6b252d305cc561bfa3943dff11b7c66bf69d5879f64928e172ad2c37a63dcb35a93578fc6b4d

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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\6b7131dad910ce1f911537f662fe1ea58c0ca79f0ec9d48f9fad5555c60edef1.exe
    "C:\Users\Admin\AppData\Local\Temp\6b7131dad910ce1f911537f662fe1ea58c0ca79f0ec9d48f9fad5555c60edef1.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:1312
    • C:\Users\Admin\AppData\Local\Temp\n4986\s4986.exe
      "C:\Users\Admin\AppData\Local\Temp\n4986\s4986.exe" 4cfb7a11fee380fbbb35cb5e5x9ljaq8ShYczbfToKc2zfEOjvuicbt04kYXwFM10xSBe7pLvPK7SDQ0skwC+3Io8BDu0H0lSgGMc2WsL6BELgK3/4sRrwM9fOjXKg/kycUDyOVnjdifhIuI5aSInYwWUjbYtSO2Z/+dHeLrnMkf0nrX /v "C:\Users\Admin\AppData\Local\Temp\6b7131dad910ce1f911537f662fe1ea58c0ca79f0ec9d48f9fad5555c60edef1.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:376

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4986\s4986.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4986\s4986.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4986\s4986.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4986\s4986.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4986\s4986.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4986\s4986.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/376-62-0x000007FEF3900000-0x000007FEF4323000-memory.dmp

    Filesize

    10.1MB

  • memory/376-59-0x0000000000000000-mapping.dmp

  • memory/376-63-0x000007FEF2620000-0x000007FEF36B6000-memory.dmp

    Filesize

    16.6MB

  • memory/376-64-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

    Filesize

    8KB

  • memory/376-66-0x0000000000826000-0x0000000000845000-memory.dmp

    Filesize

    124KB

  • memory/376-65-0x000007FEEDA40000-0x000007FEEE8CF000-memory.dmp

    Filesize

    14.6MB

  • memory/376-67-0x0000000000826000-0x0000000000845000-memory.dmp

    Filesize

    124KB

  • memory/376-68-0x000007FEF1AB0000-0x000007FEF1D9A000-memory.dmp

    Filesize

    2.9MB

  • memory/376-69-0x0000000000826000-0x0000000000845000-memory.dmp

    Filesize

    124KB

  • memory/1312-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

    Filesize

    8KB