Analysis

  • max time kernel
    91s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 23:37

General

  • Target

    db2a627537d8675dbc072630309be5cc5868f2382194a8d510c49e40c5a5b983.exe

  • Size

    512KB

  • MD5

    9a6a5addd02714119e6532c678141ba7

  • SHA1

    467fc9a6ea47296a5f31c550f5a4b43755a26ea2

  • SHA256

    db2a627537d8675dbc072630309be5cc5868f2382194a8d510c49e40c5a5b983

  • SHA512

    1e39e1d904534ecfcee96f84fafa20160209e3c08e4efeafdef93cf71c82bae046b96b68811ccd5ce826f0fd1a511b69d8363ed8f2517186023387b6b9440e2b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E40:0+h9OY70z+warul3E40

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\db2a627537d8675dbc072630309be5cc5868f2382194a8d510c49e40c5a5b983.exe
    "C:\Users\Admin\AppData\Local\Temp\db2a627537d8675dbc072630309be5cc5868f2382194a8d510c49e40c5a5b983.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:1416
    • C:\Users\Admin\AppData\Local\Temp\n2865\s2865.exe
      "C:\Users\Admin\AppData\Local\Temp\n2865\s2865.exe" 3fb42dcf3cb74a73a36e267frpNWVbimhjjP5CTHEsJWxc8Z0cHxdC72eSrWT+3hRlYpHNFpMdXR6H1AkTAMgY0iIIo+B8J/bv2ZYmy8SqmO7HgpB5WDRW2b4MmpGibuIR536KCpO3t1IuTIDaYUHbE1NmCGQvug9WMYnVO3PhCjhi0z /v "C:\Users\Admin\AppData\Local\Temp\db2a627537d8675dbc072630309be5cc5868f2382194a8d510c49e40c5a5b983.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1496

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2865\s2865.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2865\s2865.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2865\s2865.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2865\s2865.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2865\s2865.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2865\s2865.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1416-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

    Filesize

    8KB

  • memory/1496-62-0x000007FEF3E20000-0x000007FEF4843000-memory.dmp

    Filesize

    10.1MB

  • memory/1496-63-0x000007FEF2B40000-0x000007FEF3BD6000-memory.dmp

    Filesize

    16.6MB

  • memory/1496-64-0x000007FEFC451000-0x000007FEFC453000-memory.dmp

    Filesize

    8KB

  • memory/1496-65-0x0000000000A06000-0x0000000000A25000-memory.dmp

    Filesize

    124KB

  • memory/1496-66-0x0000000000A06000-0x0000000000A25000-memory.dmp

    Filesize

    124KB

  • memory/1496-67-0x000007FEEE550000-0x000007FEEF3DF000-memory.dmp

    Filesize

    14.6MB

  • memory/1496-68-0x000007FEEE260000-0x000007FEEE54A000-memory.dmp

    Filesize

    2.9MB

  • memory/1496-69-0x0000000000A06000-0x0000000000A25000-memory.dmp

    Filesize

    124KB