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Analysis

  • max time kernel
    199s
  • max time network
    226s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 23:14

General

  • Target

    91838ded730ffd48d49683cc3ab0e50576a6465792755ec8062fabb570f33f08.exe

  • Size

    512KB

  • MD5

    fda1dc5e8f4e40efec507a9f55e8adec

  • SHA1

    2cc06112f8f338dc0f3684af44f02abc5b6a8e10

  • SHA256

    91838ded730ffd48d49683cc3ab0e50576a6465792755ec8062fabb570f33f08

  • SHA512

    5a42443ac1719941219a8ef810128251f314dda7ae8e7b4d24dcf86b74a51d62dd09ab44be425aa7c0c795a85185b29415e4a68a72d39b9f6e8b55a1fcfc550d

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E49:0+h9OY70z+warul3E49

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91838ded730ffd48d49683cc3ab0e50576a6465792755ec8062fabb570f33f08.exe
    "C:\Users\Admin\AppData\Local\Temp\91838ded730ffd48d49683cc3ab0e50576a6465792755ec8062fabb570f33f08.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Users\Admin\AppData\Local\Temp\n9412\s9412.exe
      "C:\Users\Admin\AppData\Local\Temp\n9412\s9412.exe" 3bf59e10a7ea6222772cf88fyCuC2vGaI5uHmeNYJdPf99Xklrgj96Kvr7CnrEH9CHec2BtvT9xwKPtj4Px6zJRwXjgK3j85JGKRpvF1sjRw2lfxpDraUfU1TR75y7bF4XmvLofLrkEJtufHbEG+hUnFyAlkwPQHZmPuyd75f6lW61AO /v "C:\Users\Admin\AppData\Local\Temp\91838ded730ffd48d49683cc3ab0e50576a6465792755ec8062fabb570f33f08.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      PID:1880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9412\s9412.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9412\s9412.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1880-135-0x00007FFEAE370000-0x00007FFEAEDA6000-memory.dmp

    Filesize

    10.2MB