Analysis

  • max time kernel
    184s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 18:49

General

  • Target

    af1490ee716aec1ba60305997db64debb0c037b1271cc1633f3577476e423a68.exe

  • Size

    270KB

  • MD5

    db69e53ac1a76f0effd2e423571c1e58

  • SHA1

    cfab20189562782fe27b44263d71c78ee13b733a

  • SHA256

    af1490ee716aec1ba60305997db64debb0c037b1271cc1633f3577476e423a68

  • SHA512

    ccfdfc4c4ad0a71c3de218fc58d8176970b09baaa2c7e250840c7d01ebd685491054bb8c33dca48bb6f78466a512dd7c7617dde0c9d14747a7748a28bdd91bbc

  • SSDEEP

    6144:8OpvjcZo+N2H/tq/iJ57CIikUxIGod3XzC/9va7d6g1rvN:TpQZJN2HVq/iv7dikUXgw9vWAAl

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af1490ee716aec1ba60305997db64debb0c037b1271cc1633f3577476e423a68.exe
    "C:\Users\Admin\AppData\Local\Temp\af1490ee716aec1ba60305997db64debb0c037b1271cc1633f3577476e423a68.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4296
  • C:\Windows\NVIDIA .dll
    "C:\Windows\NVIDIA .dll"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" 55555
      2⤵
        PID:3396

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\NVIDIA .dll

      Filesize

      270KB

      MD5

      db69e53ac1a76f0effd2e423571c1e58

      SHA1

      cfab20189562782fe27b44263d71c78ee13b733a

      SHA256

      af1490ee716aec1ba60305997db64debb0c037b1271cc1633f3577476e423a68

      SHA512

      ccfdfc4c4ad0a71c3de218fc58d8176970b09baaa2c7e250840c7d01ebd685491054bb8c33dca48bb6f78466a512dd7c7617dde0c9d14747a7748a28bdd91bbc

    • C:\Windows\NVIDIA .dll

      Filesize

      270KB

      MD5

      db69e53ac1a76f0effd2e423571c1e58

      SHA1

      cfab20189562782fe27b44263d71c78ee13b733a

      SHA256

      af1490ee716aec1ba60305997db64debb0c037b1271cc1633f3577476e423a68

      SHA512

      ccfdfc4c4ad0a71c3de218fc58d8176970b09baaa2c7e250840c7d01ebd685491054bb8c33dca48bb6f78466a512dd7c7617dde0c9d14747a7748a28bdd91bbc

    • memory/3396-143-0x0000000000000000-mapping.dmp

    • memory/4296-133-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB

    • memory/4296-134-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB

    • memory/4296-135-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB

    • memory/4296-137-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB

    • memory/4296-144-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB

    • memory/4544-141-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB

    • memory/4544-145-0x0000000000400000-0x00000000004FBB39-memory.dmp

      Filesize

      1006KB