Analysis

  • max time kernel
    63s
  • 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 21:20

General

  • Target

    4cb9c00a88de4ab240d5a32750db0117d3c0274d52148a73b865518592b7fdb6.exe

  • Size

    512KB

  • MD5

    f035680f254d65e99abd022d2f1b83fe

  • SHA1

    b3c8305145724cc4346a0b3337214602ff0e9032

  • SHA256

    4cb9c00a88de4ab240d5a32750db0117d3c0274d52148a73b865518592b7fdb6

  • SHA512

    0a2d82472dd47d33b680e7f69e02d9d215c17b2ac1c198ff5e726e41cc24df28dfc55c382c8b13e963f48b3c1deef440c468eb01853f1b5783ef749c8e8c51c6

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4m:0+h9OY70z+warul3E4m

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\4cb9c00a88de4ab240d5a32750db0117d3c0274d52148a73b865518592b7fdb6.exe
    "C:\Users\Admin\AppData\Local\Temp\4cb9c00a88de4ab240d5a32750db0117d3c0274d52148a73b865518592b7fdb6.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:1216
    • C:\Users\Admin\AppData\Local\Temp\n2879\s2879.exe
      "C:\Users\Admin\AppData\Local\Temp\n2879\s2879.exe" 2d5e2cdd16b6cf80c4b87def4XBfBpYe9FBJD/ea/zsy5XBK73defRsEUEhN8jYnryyBGn8GzoY598RNbUX1+crxTuudisLgNoqpUEB2hv3ZtOu7JA3bAZ8RZJV1PuFGAf2fG7ZU3pzU5WJE+g9g1MJoKDvdlRR5+8j8np+nKPn5C5oM /v "C:\Users\Admin\AppData\Local\Temp\4cb9c00a88de4ab240d5a32750db0117d3c0274d52148a73b865518592b7fdb6.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:296

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2879\s2879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2879\s2879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2879\s2879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2879\s2879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2879\s2879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2879\s2879.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/296-59-0x0000000000000000-mapping.dmp

  • memory/296-62-0x000007FEF32D0000-0x000007FEF3CF3000-memory.dmp

    Filesize

    10.1MB

  • memory/296-63-0x000007FEF2230000-0x000007FEF32C6000-memory.dmp

    Filesize

    16.6MB

  • memory/296-64-0x0000000002076000-0x0000000002095000-memory.dmp

    Filesize

    124KB

  • memory/296-65-0x000007FEEDDC0000-0x000007FEEEC4F000-memory.dmp

    Filesize

    14.6MB

  • memory/296-66-0x000007FEF1BF0000-0x000007FEF1EDA000-memory.dmp

    Filesize

    2.9MB

  • memory/296-67-0x0000000002076000-0x0000000002095000-memory.dmp

    Filesize

    124KB

  • memory/296-68-0x0000000002076000-0x0000000002095000-memory.dmp

    Filesize

    124KB

  • memory/1216-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB