Analysis

  • max time kernel
    150s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 03:03

General

  • Target

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe

  • Size

    112KB

  • MD5

    63536ee7e817d3829051694fafd214a0

  • SHA1

    6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

  • SHA256

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

  • SHA512

    ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

  • SSDEEP

    1536:80waayJh9UrTW8Z/lEY0Vy5nxa47dhnueUoA80os3qlH/9Ac++eqyqLv:59dWlEYuEnVdhn/J05+HVAtnq3v

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 28 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
    "C:\Users\Admin\AppData\Local\Temp\871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Users\Admin\komic.exe
        "C:\Users\Admin\komic.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Users\Admin\komic.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\komic.exe
    Filesize

    112KB

    MD5

    63536ee7e817d3829051694fafd214a0

    SHA1

    6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

    SHA256

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

    SHA512

    ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

  • C:\Users\Admin\komic.exe
    Filesize

    112KB

    MD5

    63536ee7e817d3829051694fafd214a0

    SHA1

    6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

    SHA256

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

    SHA512

    ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

  • C:\Users\Admin\komic.exe
    Filesize

    112KB

    MD5

    63536ee7e817d3829051694fafd214a0

    SHA1

    6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

    SHA256

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

    SHA512

    ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

  • \Users\Admin\komic.exe
    Filesize

    112KB

    MD5

    63536ee7e817d3829051694fafd214a0

    SHA1

    6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

    SHA256

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

    SHA512

    ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

  • \Users\Admin\komic.exe
    Filesize

    112KB

    MD5

    63536ee7e817d3829051694fafd214a0

    SHA1

    6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

    SHA256

    871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

    SHA512

    ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

  • memory/1064-72-0x00000000004010E4-mapping.dmp
  • memory/1064-78-0x0000000000400000-0x0000000000413000-memory.dmp
    Filesize

    76KB

  • memory/1064-81-0x0000000000400000-0x0000000000413000-memory.dmp
    Filesize

    76KB

  • memory/1208-63-0x00000000757A1000-0x00000000757A3000-memory.dmp
    Filesize

    8KB

  • memory/1208-56-0x0000000000400000-0x0000000000413000-memory.dmp
    Filesize

    76KB

  • memory/1208-62-0x0000000000400000-0x0000000000413000-memory.dmp
    Filesize

    76KB

  • memory/1208-59-0x0000000000400000-0x0000000000413000-memory.dmp
    Filesize

    76KB

  • memory/1208-57-0x00000000004010E4-mapping.dmp
  • memory/1208-80-0x0000000000400000-0x0000000000413000-memory.dmp
    Filesize

    76KB

  • memory/1484-66-0x0000000000000000-mapping.dmp