Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 16:50

General

  • Target

    d401b231cd277a6b636f366a253a8f4f04387c44a2692b634ac8741100999761.exe

  • Size

    512KB

  • MD5

    1af2122f6d6e1110234fd16d2d3ffd5d

  • SHA1

    54f7e062ed3c0832f87fbdbca3e6bf42e9c2b7fd

  • SHA256

    d401b231cd277a6b636f366a253a8f4f04387c44a2692b634ac8741100999761

  • SHA512

    6d4d93f6dd71069f4115efd43e0bebfade4d9619eb4021a4cdf048ddc022ed6b13e729bfdc84e319e46d2ed00864dd943cf00b0b2e29b5427a2046a5e622e905

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4F:0+h9OY70z+warul3E4F

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\d401b231cd277a6b636f366a253a8f4f04387c44a2692b634ac8741100999761.exe
    "C:\Users\Admin\AppData\Local\Temp\d401b231cd277a6b636f366a253a8f4f04387c44a2692b634ac8741100999761.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:940
    • C:\Users\Admin\AppData\Local\Temp\n3179\s3179.exe
      "C:\Users\Admin\AppData\Local\Temp\n3179\s3179.exe" cf40015d654831ca2e5c6614BFc8xwg1R0K3esnkEBE1XfHAEb/Vt+M3KTic+trw2GFcRpfJpEzcBCvH2nBT2kak4l30MhWeW8W0TdV9zPGgx6SnXhBj92Mgp3gn3991Bv0khZpYsAulLsGQX9obFH50oF9LydjrY5/DqNPmm+3VLDLe /v "C:\Users\Admin\AppData\Local\Temp\d401b231cd277a6b636f366a253a8f4f04387c44a2692b634ac8741100999761.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3179\s3179.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3179\s3179.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3179\s3179.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3179\s3179.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3179\s3179.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3179\s3179.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/760-62-0x000007FEF3600000-0x000007FEF4023000-memory.dmp

    Filesize

    10.1MB

  • memory/760-63-0x000007FEF2560000-0x000007FEF35F6000-memory.dmp

    Filesize

    16.6MB

  • memory/760-64-0x000007FEFB941000-0x000007FEFB943000-memory.dmp

    Filesize

    8KB

  • memory/760-65-0x0000000002056000-0x0000000002075000-memory.dmp

    Filesize

    124KB

  • memory/760-66-0x000007FEEE2B0000-0x000007FEEF13F000-memory.dmp

    Filesize

    14.6MB

  • memory/760-67-0x000007FEEDFC0000-0x000007FEEE2AA000-memory.dmp

    Filesize

    2.9MB

  • memory/760-68-0x0000000002056000-0x0000000002075000-memory.dmp

    Filesize

    124KB

  • memory/940-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

    Filesize

    8KB