Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 07:41

General

  • Target

    79af314e7dfb683d4533301e7318101209af1c5de649fbbc214058a17385bb16.exe

  • Size

    511KB

  • MD5

    ce64acdbf226be45306996c6c9c7e50a

  • SHA1

    32e71f7f7e076fe29e7f2fc432247103d9d26a0a

  • SHA256

    79af314e7dfb683d4533301e7318101209af1c5de649fbbc214058a17385bb16

  • SHA512

    46fcc22b252381bb36537d52589fa91aa056f636d00d458780d4c304630094f7f739faf537918055661f4fa326a66b5419ce13d85e337fa3f9d1d5c18496bf27

  • SSDEEP

    12288:yxlxu5KvDoYTzDXJJSd2DuOcuj7gxSr94u3c1sB:yxlxqockzDwAuMwLudB

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\79af314e7dfb683d4533301e7318101209af1c5de649fbbc214058a17385bb16.exe
    "C:\Users\Admin\AppData\Local\Temp\79af314e7dfb683d4533301e7318101209af1c5de649fbbc214058a17385bb16.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:4572
    • C:\Users\Admin\AppData\Local\Temp\n8366\s8366.exe
      "C:\Users\Admin\AppData\Local\Temp\n8366\s8366.exe" ff69d11016358274cfa977d1nu81wjEx7Xv0Tsh2ywKVmj/dpLBwoGKNzjAiRnCJJZM5jfN6UPFX1mQczSW1f0Z574iWRC3zDJKgMTpOqtA3t3agBWI2sVTqsatjS2FxxTjNDThCUfYdGHPV1PUkOgwlXdPgvVG7Y8gvTqirura/s+g8 /v "C:\Users\Admin\AppData\Local\Temp\79af314e7dfb683d4533301e7318101209af1c5de649fbbc214058a17385bb16.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:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8366\s8366.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8366\s8366.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1516-135-0x00007FF815970000-0x00007FF8163A6000-memory.dmp

    Filesize

    10.2MB

  • memory/1516-136-0x000000000122A000-0x000000000122F000-memory.dmp

    Filesize

    20KB

  • memory/1516-137-0x000000000122A000-0x000000000122F000-memory.dmp

    Filesize

    20KB

  • memory/1516-138-0x000000000122A000-0x000000000122F000-memory.dmp

    Filesize

    20KB