Analysis

  • max time kernel
    79s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 07:51

General

  • Target

    1c9074ed3f965670f39abb0c2430c246a2c5fbfbf58da8f95f43663b33f87fba.exe

  • Size

    614KB

  • MD5

    d27f361f6432168b3cfd244ddf1c4c97

  • SHA1

    4b95bd647070050b930bdfe14993f9550bd5ef02

  • SHA256

    1c9074ed3f965670f39abb0c2430c246a2c5fbfbf58da8f95f43663b33f87fba

  • SHA512

    40071837d8edb8190bb8ec0f8b605f5b2763d69e7cf93bcf88ef4a374472923d2a4cccdac1d6caf09a1937eb86d845ffe6b92cc4abccdf59d6ce5bbd4f92d692

  • SSDEEP

    12288:UYRN6Ul2gavsFJZC42Bu0aHpdjzwJ4baLN+gZPNOcmVuSR3O9cubDY:HKUl2wFJZCRBu0KA8VAnmVugubDY

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\1c9074ed3f965670f39abb0c2430c246a2c5fbfbf58da8f95f43663b33f87fba.exe
    "C:\Users\Admin\AppData\Local\Temp\1c9074ed3f965670f39abb0c2430c246a2c5fbfbf58da8f95f43663b33f87fba.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:1516
    • C:\Users\Admin\AppData\Local\Temp\n8533\s8533.exe
      "C:\Users\Admin\AppData\Local\Temp\n8533\s8533.exe" 0842ce90ae14c4695a97856bV4kLWuurefDwmavrz3XfhTbZckZ8vxCNDdlO9kWWWFZi14KGH0d26e+ka6koEbSsCtd+/laXArs47XWjhoiipHIRDOj4gdGoFVXGjFmdaC1WvffW7qte64aAdY7brVcEItaOCGxeBVj/LrRytWOxyv6uYXlCdRg8Nd7n /v "C:\Users\Admin\AppData\Local\Temp\1c9074ed3f965670f39abb0c2430c246a2c5fbfbf58da8f95f43663b33f87fba.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:4672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8533\s8533.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • C:\Users\Admin\AppData\Local\Temp\n8533\s8533.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • memory/4672-132-0x0000000000000000-mapping.dmp

  • memory/4672-135-0x00007FFD3FB70000-0x00007FFD405A6000-memory.dmp

    Filesize

    10.2MB

  • memory/4672-136-0x00000000014EA000-0x00000000014EF000-memory.dmp

    Filesize

    20KB

  • memory/4672-137-0x00000000014EA000-0x00000000014EF000-memory.dmp

    Filesize

    20KB