Analysis

  • max time kernel
    66s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 23:29

General

  • Target

    9d20636b10eafca8055501bfb153e8bb9f53b8d2466ebad3c864dcb0e2ef800a.exe

  • Size

    512KB

  • MD5

    4b3c5e028008c00849ae063a1d1e0405

  • SHA1

    52247652c668e656da9c51c996f60cb7241714b2

  • SHA256

    9d20636b10eafca8055501bfb153e8bb9f53b8d2466ebad3c864dcb0e2ef800a

  • SHA512

    8c15432f64a56379ec71e09f0c2ca46938451efd9a834d218b14fef0c52ae5da7fd51d7b191c1e84911ce0bdbb279850b7f217248108c7e2972b45e5aafdb421

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E45:0+h9OY70z+warul3E45

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\9d20636b10eafca8055501bfb153e8bb9f53b8d2466ebad3c864dcb0e2ef800a.exe
    "C:\Users\Admin\AppData\Local\Temp\9d20636b10eafca8055501bfb153e8bb9f53b8d2466ebad3c864dcb0e2ef800a.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:1848
    • C:\Users\Admin\AppData\Local\Temp\n5859\s5859.exe
      "C:\Users\Admin\AppData\Local\Temp\n5859\s5859.exe" 2bac2d2f20fae4c4bdb63fd5KNsYPpDH830bmNTAydm5zp0XZXegdrd8xUXEGttsdcuGuAL6lg+LfECX/H/7qHPSjOw4LRbGTqhG/wlW2mbC1NVcmwPB27p7zS5yIR32HrM3DT9mtkw0s4S0gwCX8imqT/TTWjd7MIapDHT3D93gkZQ0 /v "C:\Users\Admin\AppData\Local\Temp\9d20636b10eafca8055501bfb153e8bb9f53b8d2466ebad3c864dcb0e2ef800a.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5859\s5859.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5859\s5859.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5859\s5859.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5859\s5859.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5859\s5859.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5859\s5859.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/768-62-0x000007FEF3710000-0x000007FEF4133000-memory.dmp

    Filesize

    10.1MB

  • memory/768-63-0x000007FEF2670000-0x000007FEF3706000-memory.dmp

    Filesize

    16.6MB

  • memory/768-64-0x000007FEFBCA1000-0x000007FEFBCA3000-memory.dmp

    Filesize

    8KB

  • memory/768-65-0x0000000000AE6000-0x0000000000B05000-memory.dmp

    Filesize

    124KB

  • memory/768-66-0x000007FEEDD00000-0x000007FEEEB8F000-memory.dmp

    Filesize

    14.6MB

  • memory/768-67-0x000007FEF2380000-0x000007FEF266A000-memory.dmp

    Filesize

    2.9MB

  • memory/768-68-0x0000000000AE6000-0x0000000000B05000-memory.dmp

    Filesize

    124KB

  • memory/1848-54-0x0000000076091000-0x0000000076093000-memory.dmp

    Filesize

    8KB