Analysis

  • max time kernel
    59s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 14:37

General

  • Target

    61a52e8c1a722caaee66e2422d4ae09813bb73c90c21c19531e39bb82a486e54.exe

  • Size

    512KB

  • MD5

    0fc34d4679dd60654c8527e688a6cd60

  • SHA1

    84b80d7ab49d9c3fec860d34cfd06ef1496b3d8a

  • SHA256

    61a52e8c1a722caaee66e2422d4ae09813bb73c90c21c19531e39bb82a486e54

  • SHA512

    b9afd12de77dbdc5a6f130f55a9a327d5eca61fa3e6f467c0bd508623947771ee071fbc9ad6353c150f1dea76ccb623f103c52e9215888f1adaa375c423001cc

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4o:0+h9OY70z+warul3E4o

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\61a52e8c1a722caaee66e2422d4ae09813bb73c90c21c19531e39bb82a486e54.exe
    "C:\Users\Admin\AppData\Local\Temp\61a52e8c1a722caaee66e2422d4ae09813bb73c90c21c19531e39bb82a486e54.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:1732
    • C:\Users\Admin\AppData\Local\Temp\n3298\s3298.exe
      "C:\Users\Admin\AppData\Local\Temp\n3298\s3298.exe" c3ddc031caf7567649aa6a52o39IbEZp4P4U2QhretVvHwkyKcmhxFgoWAE8XPH72cpgl1SgmcYGuHQXy8rC40if/JPpr5+wyaBAEu517QvBAXwDPzDWnN5sdukrXobfMx0FmGOxf0d5JLKWJrR5WuJ2QfiA/E3+DK7EOTyoOBDALzzc /v "C:\Users\Admin\AppData\Local\Temp\61a52e8c1a722caaee66e2422d4ae09813bb73c90c21c19531e39bb82a486e54.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3298\s3298.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3298\s3298.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3298\s3298.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3298\s3298.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3298\s3298.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3298\s3298.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/960-62-0x000007FEF3BB0000-0x000007FEF45D3000-memory.dmp

    Filesize

    10.1MB

  • memory/960-63-0x000007FEF28D0000-0x000007FEF3966000-memory.dmp

    Filesize

    16.6MB

  • memory/960-64-0x0000000000AA6000-0x0000000000AC5000-memory.dmp

    Filesize

    124KB

  • memory/960-65-0x000007FEEDA90000-0x000007FEEE91F000-memory.dmp

    Filesize

    14.6MB

  • memory/960-66-0x000007FEF1740000-0x000007FEF1A2A000-memory.dmp

    Filesize

    2.9MB

  • memory/960-67-0x0000000000AA6000-0x0000000000AC5000-memory.dmp

    Filesize

    124KB

  • memory/1732-54-0x0000000075771000-0x0000000075773000-memory.dmp

    Filesize

    8KB