Analysis

  • max time kernel
    167s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 07:28

General

  • Target

    92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.exe

  • Size

    512KB

  • MD5

    d05913de510697d1de054c5cbb8df190

  • SHA1

    87d75a89f91ca803b4bdb2a116e40e9cb453f2ec

  • SHA256

    92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c

  • SHA512

    aaa818c69ea362beb45b054d3e7a96488f27ead546ffafdb3bfcaaafb76144120fab6b1a87964c0a8ddc269edc6a6c8e9f2bfe88feacd8edd1ec37fe1e7570d2

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4i:0+h9OY70z+warul3E4i

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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.exe
    "C:\Users\Admin\AppData\Local\Temp\92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.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:2424
    • C:\Users\Admin\AppData\Local\Temp\n5116\s5116.exe
      "C:\Users\Admin\AppData\Local\Temp\n5116\s5116.exe" 5bc6a2c7c539a626f033d39aF9vWnpONFc/RRv9vRSre8Npp87rZGd9XcDFY0Xa5svlVy+opqRzh3dZMN1tOGvlLmYQZZ0a6T3V8Jtr4dgqHloevIr+lulC/PXffERAPSVqXQVK851VRHnBZ/LpR/2UB33MIRuzShYBa4VuA6ovnflDZ /v "C:\Users\Admin\AppData\Local\Temp\92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5116\s5116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5116\s5116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2348-135-0x00007FFF19E00000-0x00007FFF1A836000-memory.dmp

    Filesize

    10.2MB

  • memory/2348-136-0x000000000149A000-0x000000000149F000-memory.dmp

    Filesize

    20KB