Analysis

  • max time kernel
    55s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 12:23

General

  • Target

    fbb11240d8c24e7472e885a8c8f541470a895e22f117884f1ef24e386fe95599.exe

  • Size

    512KB

  • MD5

    44a4f6afcdcbf8476a840fa7580bee9c

  • SHA1

    04e1e6caec3ffc7b8897b3ab5ebf3237d2333452

  • SHA256

    fbb11240d8c24e7472e885a8c8f541470a895e22f117884f1ef24e386fe95599

  • SHA512

    e002e88e6048727e1e9c322e197ed8d80f3685f57bf80b05f0fcc8234dcc8d39d83ee6e0268dd01624ef34b7e15c9f6fd1bfcad3f51bcdcabea923a400aea7bf

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4X:0+h9OY70z+warul3E4X

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\fbb11240d8c24e7472e885a8c8f541470a895e22f117884f1ef24e386fe95599.exe
    "C:\Users\Admin\AppData\Local\Temp\fbb11240d8c24e7472e885a8c8f541470a895e22f117884f1ef24e386fe95599.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\n7081\s7081.exe
      "C:\Users\Admin\AppData\Local\Temp\n7081\s7081.exe" a5e5b7cb5184cb8257982adbcrWj+F7ClOxKS4PfpaVYZoT8faSwjNqHQtvFw9leKGIRxeTMy/ZlqzWi0h88+sP4olNDswoDwJ6rkjuffpUSMNR5lnSvb9+T+OB7XXvlevlXjL2X/1QwyYosjbRowRXP9Es8Y/tTw5PZ6MVYOkDSyeqy /v "C:\Users\Admin\AppData\Local\Temp\fbb11240d8c24e7472e885a8c8f541470a895e22f117884f1ef24e386fe95599.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7081\s7081.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7081\s7081.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7081\s7081.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7081\s7081.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7081\s7081.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7081\s7081.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1012-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB

  • memory/1732-62-0x000007FEF3E90000-0x000007FEF48B3000-memory.dmp

    Filesize

    10.1MB

  • memory/1732-63-0x000007FEF2DF0000-0x000007FEF3E86000-memory.dmp

    Filesize

    16.6MB

  • memory/1732-64-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

    Filesize

    8KB

  • memory/1732-65-0x0000000001ED6000-0x0000000001EF5000-memory.dmp

    Filesize

    124KB

  • memory/1732-66-0x000007FEEEB20000-0x000007FEEF9AF000-memory.dmp

    Filesize

    14.6MB

  • memory/1732-67-0x000007FEF2B00000-0x000007FEF2DEA000-memory.dmp

    Filesize

    2.9MB

  • memory/1732-68-0x0000000001ED6000-0x0000000001EF5000-memory.dmp

    Filesize

    124KB

  • memory/1732-69-0x0000000001ED6000-0x0000000001EF5000-memory.dmp

    Filesize

    124KB