Resubmissions

15-09-2022 10:15

220915-maqy9acfh2 10

31-07-2022 17:39

220731-v8mcqaahcr 10

Analysis

  • max time kernel
    53s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 17:39

General

  • Target

    5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8.exe

  • Size

    362KB

  • MD5

    8b6f3a6e8d9797093a78f0b85da4a1fc

  • SHA1

    2f8346a3ec3427c5a7681d166501f8f42f620b3b

  • SHA256

    5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8

  • SHA512

    c0ad94faa01f5f3fd67a90df327bd0862243c1f335ccf2582f92867f3c751dfdaf73b7e2d86bd494ca1cc8ba199db7964d61493cd37855a35acbfe0256d2f7ef

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger payload 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8.exe
    "C:\Users\Admin\AppData\Local\Temp\5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5f465c9a74f35fef4a66cbf336dc90bed8bc8caf7b51a98cb52406942c05a0e8.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1344-55-0x0000000075DC1000-0x0000000075DC3000-memory.dmp

    Filesize

    8KB

  • memory/1344-56-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/1344-57-0x00000000003A0000-0x00000000003E9000-memory.dmp

    Filesize

    292KB

  • memory/1344-58-0x0000000000400000-0x0000000002F22000-memory.dmp

    Filesize

    43.1MB

  • memory/1344-59-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/1344-60-0x00000000003A0000-0x00000000003E9000-memory.dmp

    Filesize

    292KB

  • memory/1344-61-0x0000000000400000-0x0000000002F22000-memory.dmp

    Filesize

    43.1MB

  • memory/1344-64-0x0000000000400000-0x0000000002F22000-memory.dmp

    Filesize

    43.1MB

  • memory/1740-62-0x0000000000000000-mapping.dmp

  • memory/1920-63-0x0000000000000000-mapping.dmp