Analysis

  • max time kernel
    119s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 22:07

General

  • Target

    dffcb2bbf1759978f25021fd4a8f3919569e8c53b079de87d479abcf0e0fe888.exe

  • Size

    512KB

  • MD5

    660a3f1df43d196a2cb4a3b6d4a7341d

  • SHA1

    3ff3e05667e8d60cab24e42a6d9035b4e536a966

  • SHA256

    dffcb2bbf1759978f25021fd4a8f3919569e8c53b079de87d479abcf0e0fe888

  • SHA512

    5ba9fe3726f2d02dd37b10fbd81f314de80f48f1f3000d9413b7ca18e5b49e14fbec3139224b637d8a87692969a2759bc612b2bf61f4403d453587a6ad7c1ce9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4l:0+h9OY70z+warul3E4l

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\dffcb2bbf1759978f25021fd4a8f3919569e8c53b079de87d479abcf0e0fe888.exe
    "C:\Users\Admin\AppData\Local\Temp\dffcb2bbf1759978f25021fd4a8f3919569e8c53b079de87d479abcf0e0fe888.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:892
    • C:\Users\Admin\AppData\Local\Temp\n9293\s9303.exe
      "C:\Users\Admin\AppData\Local\Temp\n9293\s9303.exe" 3eb7c5ee802f08178a31b001fhvCzZiOHSvGJqriHUI2LpU3Bad6gaMFNbg6NgxmC0Hlcn4GGDy7kqGYBuJlLnMV5mpEkEPFGujGXSNKZ/cBtggHJoS4pyjpfPcp1FVRLbw/PtDxybpt1TaSQQhhGnprz9EQ8EgTqeDMRqxy8/IJhh+U /v "C:\Users\Admin\AppData\Local\Temp\dffcb2bbf1759978f25021fd4a8f3919569e8c53b079de87d479abcf0e0fe888.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1464

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9293\s9303.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n9293\s9303.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9293\s9303.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9293\s9303.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9293\s9303.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n9293\s9303.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/892-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

  • memory/1464-62-0x000007FEF3E10000-0x000007FEF4833000-memory.dmp

    Filesize

    10.1MB

  • memory/1464-63-0x000007FEF2D70000-0x000007FEF3E06000-memory.dmp

    Filesize

    16.6MB

  • memory/1464-64-0x0000000001F36000-0x0000000001F55000-memory.dmp

    Filesize

    124KB

  • memory/1464-65-0x000007FEEEB70000-0x000007FEEF9FF000-memory.dmp

    Filesize

    14.6MB

  • memory/1464-66-0x0000000001F36000-0x0000000001F55000-memory.dmp

    Filesize

    124KB

  • memory/1464-67-0x000007FEF2A80000-0x000007FEF2D6A000-memory.dmp

    Filesize

    2.9MB

  • memory/1464-68-0x0000000001F36000-0x0000000001F55000-memory.dmp

    Filesize

    124KB