Analysis

  • max time kernel
    44s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:42

General

  • Target

    74db28f853f35ee2f93e6bc84e6dfe99b5064d3623e36be2d7c5f9f07ec7cc91.exe

  • Size

    512KB

  • MD5

    20f0cf7cc75a42639ce9f9ec824a79ac

  • SHA1

    946980e2b364097262cbd70c19d8b2202941ab32

  • SHA256

    74db28f853f35ee2f93e6bc84e6dfe99b5064d3623e36be2d7c5f9f07ec7cc91

  • SHA512

    422de8aea31262c6df09c9e0dac5b8f6d491dbc71dba3a0de82807715186e497505debd267c118e3f81aacb83b601d493713e3303ace4a5c98b14c9e46c75881

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4/:0+h9OY70z+warul3E4/

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\74db28f853f35ee2f93e6bc84e6dfe99b5064d3623e36be2d7c5f9f07ec7cc91.exe
    "C:\Users\Admin\AppData\Local\Temp\74db28f853f35ee2f93e6bc84e6dfe99b5064d3623e36be2d7c5f9f07ec7cc91.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:1396
    • C:\Users\Admin\AppData\Local\Temp\n7044\s7044.exe
      "C:\Users\Admin\AppData\Local\Temp\n7044\s7044.exe" 069aa26f6443160f4e0a728aSrd8/C17asmrynmnlLnWsKLPrkZbuL32GyHO0jMFw5aHI30My2cebpfEI1Egtk98jWFLwk1zCpy4hil2ahAQbKNBchzeLQ/dWenYYuB16NetrQIbkAEWkaEvK9nlLyfcsza29l0OADhUbnALy6bZ+XeR /v "C:\Users\Admin\AppData\Local\Temp\74db28f853f35ee2f93e6bc84e6dfe99b5064d3623e36be2d7c5f9f07ec7cc91.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7044\s7044.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7044\s7044.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7044\s7044.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7044\s7044.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7044\s7044.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7044\s7044.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1288-62-0x000007FEF3890000-0x000007FEF42B3000-memory.dmp

    Filesize

    10.1MB

  • memory/1288-63-0x000007FEF2110000-0x000007FEF31A6000-memory.dmp

    Filesize

    16.6MB

  • memory/1288-64-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

    Filesize

    8KB

  • memory/1288-65-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

    Filesize

    124KB

  • memory/1288-66-0x000007FEEE300000-0x000007FEEF18F000-memory.dmp

    Filesize

    14.6MB

  • memory/1288-67-0x000007FEF35A0000-0x000007FEF388A000-memory.dmp

    Filesize

    2.9MB

  • memory/1288-68-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

    Filesize

    124KB

  • memory/1396-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

    Filesize

    8KB