Analysis

  • max time kernel
    145s
  • max time network
    187s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 00:21

General

  • Target

    c2d43792c0308b40bba38ce96f00b927e9a865f0b48fc618082f4fe083282d10.exe

  • Size

    512KB

  • MD5

    fdf7321b073cc8639dd43fa36778a2c2

  • SHA1

    6df03d1c4cc2e2a566a6c72e18f34fd7f6f314c8

  • SHA256

    c2d43792c0308b40bba38ce96f00b927e9a865f0b48fc618082f4fe083282d10

  • SHA512

    9db92c6636e1aa2ed85b929ad84543f1af06b487ec7e469226809cc984b879b41e3d5e3fcac1b34d7ddd5b2e894831efdface02ffd55f44fa5953ed0de30d4be

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4c:0+h9OY70z+warul3E4c

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\c2d43792c0308b40bba38ce96f00b927e9a865f0b48fc618082f4fe083282d10.exe
    "C:\Users\Admin\AppData\Local\Temp\c2d43792c0308b40bba38ce96f00b927e9a865f0b48fc618082f4fe083282d10.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:1012
    • C:\Users\Admin\AppData\Local\Temp\n5170\s5170.exe
      "C:\Users\Admin\AppData\Local\Temp\n5170\s5170.exe" e04f7a8303c91b3060348a89F9FTBzUACvE1ZeA31OqEMJmeexiOyt4KiRw7vFqfU+Or5ULbMnlViFBuOnxQ36kRNL0R7JlOA1TkRCvQhuohVuwPj/yZOSpGCFPgITx32/VDqk0uE5NtHyhJ9gLlmPVuA6vthm5Nj9QhkZQ0VDi0MUqQ /v "C:\Users\Admin\AppData\Local\Temp\c2d43792c0308b40bba38ce96f00b927e9a865f0b48fc618082f4fe083282d10.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5170\s5170.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5170\s5170.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5170\s5170.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5170\s5170.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5170\s5170.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n5170\s5170.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1012-54-0x0000000075091000-0x0000000075093000-memory.dmp

    Filesize

    8KB

  • memory/1140-62-0x000007FEF3550000-0x000007FEF3F73000-memory.dmp

    Filesize

    10.1MB

  • memory/1140-63-0x000007FEF24B0000-0x000007FEF3546000-memory.dmp

    Filesize

    16.6MB

  • memory/1140-64-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

    Filesize

    8KB

  • memory/1140-66-0x00000000009E6000-0x0000000000A05000-memory.dmp

    Filesize

    124KB

  • memory/1140-65-0x000007FEEE1F0000-0x000007FEEF07F000-memory.dmp

    Filesize

    14.6MB

  • memory/1140-67-0x000007FEF1B10000-0x000007FEF1DFA000-memory.dmp

    Filesize

    2.9MB

  • memory/1140-68-0x00000000009E6000-0x0000000000A05000-memory.dmp

    Filesize

    124KB