Analysis

  • max time kernel
    192s
  • max time network
    220s
  • 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 00:55

General

  • Target

    580f6a197a9eb510f00a67661071ce74a11bd1560b272eff03eae74a77aa9e76.exe

  • Size

    512KB

  • MD5

    dce077ea29cd134b23bb642de38e6c06

  • SHA1

    4ddb286c4d91e3667fd6e5c25669dda7e135a061

  • SHA256

    580f6a197a9eb510f00a67661071ce74a11bd1560b272eff03eae74a77aa9e76

  • SHA512

    5b5b0f167f26ea29a3ebffcc7c1a5cfe913cb5ede2c24141566717f79622e7e1a7ca97cbed2746bf78027feeb93e202a00f77cf2d3cb0642574582a1e15671c4

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4+q: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 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\580f6a197a9eb510f00a67661071ce74a11bd1560b272eff03eae74a77aa9e76.exe
    "C:\Users\Admin\AppData\Local\Temp\580f6a197a9eb510f00a67661071ce74a11bd1560b272eff03eae74a77aa9e76.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:3492
    • C:\Users\Admin\AppData\Local\Temp\n6055\s6055.exe
      "C:\Users\Admin\AppData\Local\Temp\n6055\s6055.exe" 9c3bc754fa8877713a685791CWGOSP/I4MXBcsIcRJBX9zdkqWDpvIrAn69lnsonWhQ2NsCXtWUPgP7JhaU5T1p8SSmK08iSIZdvdtq7eQ5No4O0qBXdE7MT6P5e6HC/AetEY7/EoqByXZd3A7MfFSoN53ZyhMpHHD2OcPSQSQFOkK0= /v "C:\Users\Admin\AppData\Local\Temp\580f6a197a9eb510f00a67661071ce74a11bd1560b272eff03eae74a77aa9e76.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:4976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6055\s6055.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n6055\s6055.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4976-132-0x0000000000000000-mapping.dmp

  • memory/4976-135-0x000000001C040000-0x000000001CA76000-memory.dmp

    Filesize

    10.2MB

  • memory/4976-136-0x000000000120A000-0x000000000120F000-memory.dmp

    Filesize

    20KB