Analysis

  • max time kernel
    71s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:37

General

  • Target

    820784942d0185b14388be7fcfc2a944402f4f32a39c63e0a31f53b07f16ffd0.exe

  • Size

    512KB

  • MD5

    7a5ff9fdc1796b92e33af76dfe0b2a95

  • SHA1

    42ae1bfaa58063e29d928799be09660474f6ec17

  • SHA256

    820784942d0185b14388be7fcfc2a944402f4f32a39c63e0a31f53b07f16ffd0

  • SHA512

    0a9b5be01ca8d590f665a42e23e3b5639722319bdbef707ddcb75db45577bb77ea9eea3d389ce7d5af00ce7ce21428a22aaf49d9c9db3f0362ca46f8d0e2a308

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4C1:0+h9OY70z+warul3E4C1

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\820784942d0185b14388be7fcfc2a944402f4f32a39c63e0a31f53b07f16ffd0.exe
    "C:\Users\Admin\AppData\Local\Temp\820784942d0185b14388be7fcfc2a944402f4f32a39c63e0a31f53b07f16ffd0.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\n2269\s2269.exe
      "C:\Users\Admin\AppData\Local\Temp\n2269\s2269.exe" 84036572f3d4518bcf09132c8y5sTUBdzpJaAoTGPHi9uKy5NvwqIdoqAcD+cR5u85azhEDmXhpF2Fj4REt/PDR0uDYAFH8r9lOE29eR5F8Uyz2Hy5tgdC8fuOpAKq4BzvcDvmpVaBH54l53zmysGEXCbIsiWJYe/G2+7U74rMCPkPLF /v "C:\Users\Admin\AppData\Local\Temp\820784942d0185b14388be7fcfc2a944402f4f32a39c63e0a31f53b07f16ffd0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2269\s2269.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2269\s2269.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2269\s2269.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2269\s2269.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2269\s2269.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2269\s2269.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1600-62-0x000007FEF3C50000-0x000007FEF4673000-memory.dmp

    Filesize

    10.1MB

  • memory/1600-63-0x000007FEF2970000-0x000007FEF3A06000-memory.dmp

    Filesize

    16.6MB

  • memory/1600-64-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

    Filesize

    8KB

  • memory/1600-65-0x0000000002166000-0x0000000002185000-memory.dmp

    Filesize

    124KB

  • memory/1600-66-0x000007FEEE010000-0x000007FEEEE9F000-memory.dmp

    Filesize

    14.6MB

  • memory/1600-67-0x000007FEF1EC0000-0x000007FEF21AA000-memory.dmp

    Filesize

    2.9MB

  • memory/1600-68-0x0000000002166000-0x0000000002185000-memory.dmp

    Filesize

    124KB

  • memory/1688-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB