Analysis

  • max time kernel
    78s
  • max time network
    83s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 06:43

General

  • Target

    eed8a0e5fd9c966b2ed269a9369ca54cc3f43ccee213203e03a4638948265417.exe

  • Size

    512KB

  • MD5

    6c29ffd9a755e7465f724096b68d20e7

  • SHA1

    fb6ccfa802739aa9319f704ce7dbe064993b37de

  • SHA256

    eed8a0e5fd9c966b2ed269a9369ca54cc3f43ccee213203e03a4638948265417

  • SHA512

    309485bf0fb5f8cd6b741cf6fedf595d51340657ee72eec673ae7c7940cb02dce993440eff75941238f0ed9833381d7a5bd8bf675979b902dac39c5d43a5a71b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4g:0+h9OY70z+warul3E4g

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\eed8a0e5fd9c966b2ed269a9369ca54cc3f43ccee213203e03a4638948265417.exe
    "C:\Users\Admin\AppData\Local\Temp\eed8a0e5fd9c966b2ed269a9369ca54cc3f43ccee213203e03a4638948265417.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:976
    • C:\Users\Admin\AppData\Local\Temp\n4216\s4216.exe
      "C:\Users\Admin\AppData\Local\Temp\n4216\s4216.exe" f5e7bedbdd87089cafa5d0d6+xzuqpzjcfa4VQfSYC/2qT9gYEzmanrZix8ARM6ilAH94CjwGYdes7zuwXpwG8Bd/+Jovy10WXT7ZnRhPelpLLoxvyRuC6KgmCvQrzjS7Zi8R2hNpYkQdFAQqibgPNh8ICmLV90zWWdLYgvZ3XY1W7ny /v "C:\Users\Admin\AppData\Local\Temp\eed8a0e5fd9c966b2ed269a9369ca54cc3f43ccee213203e03a4638948265417.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4216\s4216.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4216\s4216.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4216\s4216.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4216\s4216.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4216\s4216.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n4216\s4216.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/976-54-0x0000000075A81000-0x0000000075A83000-memory.dmp

    Filesize

    8KB

  • memory/1020-62-0x000007FEF4010000-0x000007FEF4A33000-memory.dmp

    Filesize

    10.1MB

  • memory/1020-63-0x000007FEF2F70000-0x000007FEF4006000-memory.dmp

    Filesize

    16.6MB

  • memory/1020-64-0x000007FEFB9B1000-0x000007FEFB9B3000-memory.dmp

    Filesize

    8KB

  • memory/1020-65-0x0000000002006000-0x0000000002025000-memory.dmp

    Filesize

    124KB

  • memory/1020-66-0x000007FEED910000-0x000007FEEE79F000-memory.dmp

    Filesize

    14.6MB

  • memory/1020-67-0x000007FEF2050000-0x000007FEF233A000-memory.dmp

    Filesize

    2.9MB

  • memory/1020-68-0x0000000002006000-0x0000000002025000-memory.dmp

    Filesize

    124KB

  • memory/1020-69-0x0000000002006000-0x0000000002025000-memory.dmp

    Filesize

    124KB