Analysis

  • max time kernel
    82s
  • max time network
    146s
  • 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 07:58

General

  • Target

    5501c7e191ea5ee52adb8b89624213f64d2d0c41c72c0610d4638949738d3be9.exe

  • Size

    512KB

  • MD5

    627aa597a5d99e6fa2dc18bc266ad841

  • SHA1

    d38ea22fed45d456f9ee5fe7d01eb657562e676b

  • SHA256

    5501c7e191ea5ee52adb8b89624213f64d2d0c41c72c0610d4638949738d3be9

  • SHA512

    4f640313c48aec361b7caadfc4a3b17d3dd39af290f7606fcbdfbe95f71ce36695ba4cda9e4272ea485e73d003244d9969befee50e44b9cd6ce7ad7573081a8c

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4y:0+h9OY70z+warul3E4y

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\5501c7e191ea5ee52adb8b89624213f64d2d0c41c72c0610d4638949738d3be9.exe
    "C:\Users\Admin\AppData\Local\Temp\5501c7e191ea5ee52adb8b89624213f64d2d0c41c72c0610d4638949738d3be9.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:3260
    • C:\Users\Admin\AppData\Local\Temp\n8007\s8007.exe
      "C:\Users\Admin\AppData\Local\Temp\n8007\s8007.exe" c6aac200ef40dd6e67695820IB3pkaU/elnyBFjTcO/D/2a/bJpodmb08R0orBE5mLONBt1Edm6KSYHT+NUHDn1WTdlOrwsynk+3x8dM42IxEHZAaNlJwYm0xYq2I4frhfvDO81n70OlPtGuGb+qa6MGKdfeWgRDOSUj/C+bV+elZqR4 /v "C:\Users\Admin\AppData\Local\Temp\5501c7e191ea5ee52adb8b89624213f64d2d0c41c72c0610d4638949738d3be9.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:5008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8007\s8007.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8007\s8007.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/5008-135-0x00007FFA659C0000-0x00007FFA663F6000-memory.dmp

    Filesize

    10.2MB

  • memory/5008-136-0x0000000000FAA000-0x0000000000FAF000-memory.dmp

    Filesize

    20KB

  • memory/5008-137-0x0000000000FAA000-0x0000000000FAF000-memory.dmp

    Filesize

    20KB