Analysis

  • max time kernel
    72s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 12:44

General

  • Target

    e5a623d21a47ce1f1b42469542b3b0dd7e50fc4665c41c224e125cb5e36c38b1.exe

  • Size

    512KB

  • MD5

    b987b522be0280e53fa70357e8752f1a

  • SHA1

    8dce5f4d60328de6f0ea9c3f23883dd364691e6d

  • SHA256

    e5a623d21a47ce1f1b42469542b3b0dd7e50fc4665c41c224e125cb5e36c38b1

  • SHA512

    4de5c254d914c34cb53c1466d6ff90b33280b7b74f41c2bdec138b06548e4a69ce1da2b0acb9841c70d634783aa406b5c5a285f4d9b6faea758b418c8b9417a2

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4E:0+h9OY70z+warul3E4E

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\e5a623d21a47ce1f1b42469542b3b0dd7e50fc4665c41c224e125cb5e36c38b1.exe
    "C:\Users\Admin\AppData\Local\Temp\e5a623d21a47ce1f1b42469542b3b0dd7e50fc4665c41c224e125cb5e36c38b1.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:952
    • C:\Users\Admin\AppData\Local\Temp\n2414\s2414.exe
      "C:\Users\Admin\AppData\Local\Temp\n2414\s2414.exe" 083d9f1742d0f867143c9808cr3PmsRLrNVcQp1TA7z3unMH+bJMP/MKO4qVCoQ+WhYGokTpLuA3glSZPLWJxg+u8v5Bh9Dmg75fVmALJfqcaskBrQCgH31pSm96n3Qa9H5XNnUyGF9yH3GgNPLTU3EY/UA35Z2cXgVpnlKmrr1pWgEq /v "C:\Users\Admin\AppData\Local\Temp\e5a623d21a47ce1f1b42469542b3b0dd7e50fc4665c41c224e125cb5e36c38b1.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2414\s2414.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2414\s2414.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2414\s2414.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2414\s2414.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2414\s2414.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2414\s2414.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/292-62-0x000007FEF47D0000-0x000007FEF51F3000-memory.dmp

    Filesize

    10.1MB

  • memory/292-63-0x000007FEF34F0000-0x000007FEF4586000-memory.dmp

    Filesize

    16.6MB

  • memory/292-64-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

    Filesize

    8KB

  • memory/292-65-0x00000000020F6000-0x0000000002115000-memory.dmp

    Filesize

    124KB

  • memory/292-66-0x000007FEEEAF0000-0x000007FEEF97F000-memory.dmp

    Filesize

    14.6MB

  • memory/292-67-0x00000000020F6000-0x0000000002115000-memory.dmp

    Filesize

    124KB

  • memory/292-68-0x000007FEF2B80000-0x000007FEF2E6A000-memory.dmp

    Filesize

    2.9MB

  • memory/292-69-0x00000000020F6000-0x0000000002115000-memory.dmp

    Filesize

    124KB

  • memory/952-54-0x0000000076941000-0x0000000076943000-memory.dmp

    Filesize

    8KB