Analysis

  • max time kernel
    105s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 15:52

General

  • Target

    1ea415a06131304e275aea65afaa755a25c3c8ec5888047276415ffe804e0a7c.exe

  • Size

    122KB

  • MD5

    06e262850041f24a1cc5fc4e4eb9a922

  • SHA1

    8e509a607273241ba0fc60d97344be061f3c208b

  • SHA256

    1ea415a06131304e275aea65afaa755a25c3c8ec5888047276415ffe804e0a7c

  • SHA512

    57a4b0fb8064f30fbc51925c90aef78c46cdb660fc145d51e0b262e7035e6c7bb61bc7ddda97c0c995a00f6e9e688502b8384ad3831cd72aa2cb05cb238e07a1

  • SSDEEP

    1536:Dmi+xxdgF45E4h2Hnq8OFnouy8CBZbi2tD4pAUQ5y7w:Dmi+/dgy5Ef8doutaZbi2B4S4w

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 11 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.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ea415a06131304e275aea65afaa755a25c3c8ec5888047276415ffe804e0a7c.exe
    "C:\Users\Admin\AppData\Local\Temp\1ea415a06131304e275aea65afaa755a25c3c8ec5888047276415ffe804e0a7c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\Temp\_$Cf\1ea415a06131304e275aea65afaa755a25c3c8ec5888047276415ffe804e0a7c .docx"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1744
      • C:\Windows\Temp\_$Cf\osk.exe
        "C:\Windows\Temp\_$Cf\osk.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Windows\SysWOW64\WINWORD.EXE
          "C:\Windows\system32\WINWORD.EXE"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:572
          • C:\Windows\SysWOW64\WINWORD.EXE
            "C:\Windows\system32\WINWORD.EXE"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1644

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\Com\ctfmoon.exe

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • C:\Windows\SysWOW64\WINWORD.EXE

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • C:\Windows\SysWOW64\WINWORD.EXE

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • C:\Windows\SysWOW64\WINWORD.exe

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • C:\Windows\Temp\_$Cf\1ea415a06131304e275aea65afaa755a25c3c8ec5888047276415ffe804e0a7c .docx

      Filesize

      19KB

      MD5

      22f22152f1e7b6c885f2deca1e007042

      SHA1

      ac85d9cf600cc84b8391113db7a01a683ef205a1

      SHA256

      15b272ef477e3080de881e375ce13c4769de6133102b83010bce3d4adda88dac

      SHA512

      0f82855983d8024545773505e451ef261643bab942bde74652fb94f98dfcce2411fa1f359f9ddda22b5b6b692f1b65926c59c402712ce5dd758d91bc832fbfd3

    • C:\Windows\Temp\_$Cf\osk.exe

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • C:\Windows\Temp\_$Cf\osk.exe

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • \Windows\Temp\_$Cf\osk.exe

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • \Windows\Temp\_$Cf\osk.exe

      Filesize

      103KB

      MD5

      ff56192a3b26f8fa81666cd699216666

      SHA1

      b382eb79b9f3ac9f6a90419150181cbe8017adb2

      SHA256

      e164f5a506ddf856a5a558068215c808c62584f186aec8a4957b97f9dfb133a8

      SHA512

      2cc8e9bd020c458ea9eb43ae049113e62965689d11eefebdcc832fbb8debc697469f1f8c94cea9c8119292fbf5232956cf4375548334ba73c9f2b4ca654f5dd1

    • memory/572-87-0x0000000011000000-0x0000000011037000-memory.dmp

      Filesize

      220KB

    • memory/572-73-0x0000000000000000-mapping.dmp

    • memory/1092-75-0x0000000011000000-0x0000000011037000-memory.dmp

      Filesize

      220KB

    • memory/1092-60-0x0000000000000000-mapping.dmp

    • memory/1092-65-0x0000000011000000-0x0000000011037000-memory.dmp

      Filesize

      220KB

    • memory/1644-89-0x0000000011000000-0x0000000011037000-memory.dmp

      Filesize

      220KB

    • memory/1644-83-0x0000000000000000-mapping.dmp

    • memory/1744-94-0x000007FEFB621000-0x000007FEFB623000-memory.dmp

      Filesize

      8KB

    • memory/1744-93-0x0000000000000000-mapping.dmp

    • memory/1760-62-0x0000000011000000-0x0000000011037000-memory.dmp

      Filesize

      220KB

    • memory/1760-56-0x0000000075931000-0x0000000075933000-memory.dmp

      Filesize

      8KB

    • memory/1764-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1764-57-0x0000000000000000-mapping.dmp

    • memory/1764-91-0x0000000070B7D000-0x0000000070B88000-memory.dmp

      Filesize

      44KB

    • memory/1764-92-0x0000000070B7D000-0x0000000070B88000-memory.dmp

      Filesize

      44KB

    • memory/1764-68-0x0000000072111000-0x0000000072114000-memory.dmp

      Filesize

      12KB

    • memory/1764-70-0x000000006FB91000-0x000000006FB93000-memory.dmp

      Filesize

      8KB

    • memory/1764-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1764-96-0x0000000070B7D000-0x0000000070B88000-memory.dmp

      Filesize

      44KB