Analysis

  • max time kernel
    172s
  • max time network
    241s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 19:48

General

  • Target

    0a3dd79452b55c98af40d14b9e4557410f85c3a0c7c73648caa1d176c156acf4.exe

  • Size

    512KB

  • MD5

    8193a3345e29d58f8d68cf0f15c850cb

  • SHA1

    0fc06127b08ce348a80275a1b820ffd291105172

  • SHA256

    0a3dd79452b55c98af40d14b9e4557410f85c3a0c7c73648caa1d176c156acf4

  • SHA512

    be2c9248ab8aba2443ccad889aed8f165029c90c35a7552292d9f180495c7ced23d6549f5d9732768706a788b1faa6cade9ab0d935c4ac6157b2d61ba2404b03

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4lP:0+h9OY70z+warul3E4F

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 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\0a3dd79452b55c98af40d14b9e4557410f85c3a0c7c73648caa1d176c156acf4.exe
    "C:\Users\Admin\AppData\Local\Temp\0a3dd79452b55c98af40d14b9e4557410f85c3a0c7c73648caa1d176c156acf4.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:2032
    • C:\Users\Admin\AppData\Local\Temp\n8996\s8996.exe
      "C:\Users\Admin\AppData\Local\Temp\n8996\s8996.exe" b96ea23e8473a9b28a057462PfBWxycsAhxxnvMocILe+w2k/4Sa9BqSgCNTjmuQQDm4lfM76jSuzXVht4sU/xS7c3U0O7gepHn4XWqWnP+SkI2hFiCD9LAgQtD4jxIWihcbq7Q0GCh0MrqtIrhrjzcZXtLZqOopvrsnFraznQlvNnx3 /v "C:\Users\Admin\AppData\Local\Temp\0a3dd79452b55c98af40d14b9e4557410f85c3a0c7c73648caa1d176c156acf4.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:856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8996\s8996.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8996\s8996.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/856-135-0x00007FFDF3190000-0x00007FFDF3BC6000-memory.dmp

    Filesize

    10.2MB

  • memory/856-136-0x000000000169A000-0x000000000169F000-memory.dmp

    Filesize

    20KB

  • memory/856-137-0x000000000169A000-0x000000000169F000-memory.dmp

    Filesize

    20KB