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Analysis

  • max time kernel
    69s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 22:13

General

  • Target

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e.exe

  • Size

    109KB

  • MD5

    91bdfdea01264c64ef11b04ea11487e0

  • SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

  • SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

  • SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • SSDEEP

    1536:ObAmatlbHUZU/lL0w07s/4TbgvHktE3nkGxPbodJL96HZ2QxOyY:ObAmatlYZJw01bMFw0Z2COV

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e.exe
    "C:\Users\Admin\AppData\Local\Temp\96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Users\Admin\AppData\Local\Temp\96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e.exe
      "C:\Users\Admin\AppData\Local\Temp\96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\ctfmon.exe
        ctfmon.exe
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1184
        • C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre
          C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre
            C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1988
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              6⤵
              • Adds Run key to start application
              PID:1212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre

    Filesize

    109KB

    MD5

    91bdfdea01264c64ef11b04ea11487e0

    SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

    SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

    SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre

    Filesize

    109KB

    MD5

    91bdfdea01264c64ef11b04ea11487e0

    SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

    SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

    SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • C:\Users\Admin\AppData\Local\Temp\umbunmhkuf.pre

    Filesize

    109KB

    MD5

    91bdfdea01264c64ef11b04ea11487e0

    SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

    SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

    SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • \Users\Admin\AppData\Local\Temp\umbunmhkuf.pre

    Filesize

    109KB

    MD5

    91bdfdea01264c64ef11b04ea11487e0

    SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

    SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

    SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • \Users\Admin\AppData\Local\Temp\umbunmhkuf.pre

    Filesize

    109KB

    MD5

    91bdfdea01264c64ef11b04ea11487e0

    SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

    SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

    SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • \Users\Admin\AppData\Local\Temp\umbunmhkuf.pre

    Filesize

    109KB

    MD5

    91bdfdea01264c64ef11b04ea11487e0

    SHA1

    b473dddfe57f513c296b31ac435e63c1a2d8055b

    SHA256

    96319c25b90c8aafa3ad41b598870c46b38dedcb2eb41b1921c84d830db0419e

    SHA512

    ff2a66fb40f51b6cc3348dd4a00db9aadc80aca76452eba556b8e564d6a1c3a644c907375b3c7460aae1ad3032f830a5a6d132286d384d487d2de09bcf1d0a6d

  • memory/1184-67-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

    Filesize

    56KB

  • memory/1184-63-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

    Filesize

    56KB

  • memory/1212-91-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

    Filesize

    56KB

  • memory/1212-90-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

    Filesize

    56KB

  • memory/1212-89-0x0000000074C51000-0x0000000074C53000-memory.dmp

    Filesize

    8KB

  • memory/1212-88-0x0000000075021000-0x0000000075023000-memory.dmp

    Filesize

    8KB

  • memory/1456-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1456-66-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1456-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1456-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1456-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1456-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1456-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1988-87-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB