Analysis

  • max time kernel
    124s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 23:32

General

  • Target

    13bd217d4aadaf5b4dd75d5b87da2fc24b05e74df15151a700ac1c29f86b3e1a.exe

  • Size

    512KB

  • MD5

    da9d986fb624dbba68ce7af0690cf933

  • SHA1

    f668fddbb7e4c8c2125521435547effb39dd7eda

  • SHA256

    13bd217d4aadaf5b4dd75d5b87da2fc24b05e74df15151a700ac1c29f86b3e1a

  • SHA512

    c5c19d8fdf54d39756b69921cd24c774ccdfa400d61e200cc95c4797d333cc3f34d4ee6794ebca8293df341d73c2730e564a95be0f771b9b48a33f08c9a1acd9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Y:0+h9OY70z+warul3E4Y

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\13bd217d4aadaf5b4dd75d5b87da2fc24b05e74df15151a700ac1c29f86b3e1a.exe
    "C:\Users\Admin\AppData\Local\Temp\13bd217d4aadaf5b4dd75d5b87da2fc24b05e74df15151a700ac1c29f86b3e1a.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:972
    • C:\Users\Admin\AppData\Local\Temp\n1706\s1706.exe
      "C:\Users\Admin\AppData\Local\Temp\n1706\s1706.exe" b7e5bbb2b65ab17aa47fe9f0gvfemfmTALm00rY0Rsey8bTO/SUWIzf+vdTF4QD/xu75jzD1kyZRCcxRY8pkxqthUMtsUGplrv7sO4/EhyBIR3AAiZkvW34KJQdXKWmPyM3U4OZG8FJvoFsdAYJzIRavvom3sJqq3vU5p2CB6a8Duo7V /v "C:\Users\Admin\AppData\Local\Temp\13bd217d4aadaf5b4dd75d5b87da2fc24b05e74df15151a700ac1c29f86b3e1a.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1706\s1706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1706\s1706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1706\s1706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1706\s1706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1706\s1706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1706\s1706.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/436-62-0x000007FEF3370000-0x000007FEF3D93000-memory.dmp

    Filesize

    10.1MB

  • memory/436-63-0x000007FEEE3C0000-0x000007FEEF456000-memory.dmp

    Filesize

    16.6MB

  • memory/436-64-0x0000000001DF6000-0x0000000001E15000-memory.dmp

    Filesize

    124KB

  • memory/436-65-0x000007FEED530000-0x000007FEEE3BF000-memory.dmp

    Filesize

    14.6MB

  • memory/436-66-0x000007FEF2880000-0x000007FEF2B6A000-memory.dmp

    Filesize

    2.9MB

  • memory/436-67-0x0000000001DF6000-0x0000000001E15000-memory.dmp

    Filesize

    124KB

  • memory/972-54-0x0000000075701000-0x0000000075703000-memory.dmp

    Filesize

    8KB