Analysis

  • max time kernel
    44s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 07:28

General

  • Target

    92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.exe

  • Size

    512KB

  • MD5

    d05913de510697d1de054c5cbb8df190

  • SHA1

    87d75a89f91ca803b4bdb2a116e40e9cb453f2ec

  • SHA256

    92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c

  • SHA512

    aaa818c69ea362beb45b054d3e7a96488f27ead546ffafdb3bfcaaafb76144120fab6b1a87964c0a8ddc269edc6a6c8e9f2bfe88feacd8edd1ec37fe1e7570d2

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4i:0+h9OY70z+warul3E4i

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\92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.exe
    "C:\Users\Admin\AppData\Local\Temp\92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.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:1200
    • C:\Users\Admin\AppData\Local\Temp\n3315\s3315.exe
      "C:\Users\Admin\AppData\Local\Temp\n3315\s3315.exe" 5bc6a2c7c539a626f033d39aF9vWnpONFc/RRv9vRSre8Npp87rZGd9XcDFY0Xa5svlVy+opqRzh3dZMN1tOGvlLmYQZZ0a6T3V8Jtr4dgqHloevIr+lulC/PXffERAPSVqXQVK851VRHnBZ/LpR/2UB33MIRuzShYBa4VuA6ovnflDZ /v "C:\Users\Admin\AppData\Local\Temp\92c2a1af9be74d471ce6f489a06553e32a53a88a549fa81c1b1aab5144150f3c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3315\s3315.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3315\s3315.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3315\s3315.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3315\s3315.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3315\s3315.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3315\s3315.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/900-62-0x000007FEF37E0000-0x000007FEF4203000-memory.dmp

    Filesize

    10.1MB

  • memory/900-63-0x000007FEF2740000-0x000007FEF37D6000-memory.dmp

    Filesize

    16.6MB

  • memory/900-64-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

    Filesize

    8KB

  • memory/900-65-0x0000000000A36000-0x0000000000A55000-memory.dmp

    Filesize

    124KB

  • memory/900-66-0x000007FEEE740000-0x000007FEEF5CF000-memory.dmp

    Filesize

    14.6MB

  • memory/900-67-0x000007FEF2450000-0x000007FEF273A000-memory.dmp

    Filesize

    2.9MB

  • memory/900-68-0x0000000000A36000-0x0000000000A55000-memory.dmp

    Filesize

    124KB

  • memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB