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Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 17:17

General

  • Target

    d670df86f585fadc670d23efe592cf48dce1a3870f63743cb8430fd9cdc45497.exe

  • Size

    81KB

  • MD5

    db677cc452379b31ab4242eb67e3c5d3

  • SHA1

    43d4d9cc6839c4a29024e016fa0cdbb2e560ce13

  • SHA256

    d670df86f585fadc670d23efe592cf48dce1a3870f63743cb8430fd9cdc45497

  • SHA512

    8e1770f848a834ebdb334500d4944c157db69d40805e1477530e1be92f451021f3133b9c1d53aa01fb1c0e37a932ced4542e7ff3d6019a219ead1fa1299dd630

  • SSDEEP

    1536:6mi+xxdgF45E4h2Hnq8OFnouy8CBZVDYTwtaRdoYVJ42e:6mi+/dgy5Ef8doutaZZYCajVJ4

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 19 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 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\d670df86f585fadc670d23efe592cf48dce1a3870f63743cb8430fd9cdc45497.exe
    "C:\Users\Admin\AppData\Local\Temp\d670df86f585fadc670d23efe592cf48dce1a3870f63743cb8430fd9cdc45497.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\Temp\_$Cf\d670df86f585fadc670d23efe592cf48dce1a3870f63743cb8430fd9cdc45497 .doc"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1580
      • C:\Windows\Temp\_$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:1108
        • C:\Windows\SysWOW64\WINWORD.EXE
          "C:\Windows\system32\WINWORD.EXE"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Enumerates connected drives
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1212
          • C:\Windows\SysWOW64\WINWORD.EXE
            "C:\Windows\system32\WINWORD.EXE"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:820

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • C:\Windows\SysWOW64\WINWORD.EXE

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • C:\Windows\SysWOW64\WINWORD.EXE

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • C:\Windows\SysWOW64\WINWORD.exe

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • C:\Windows\Temp\_$Cf\d670df86f585fadc670d23efe592cf48dce1a3870f63743cb8430fd9cdc45497 .doc

      Filesize

      24KB

      MD5

      077d942e2b948d8e7c60303969b5d1f5

      SHA1

      5ab2797a829ddd70646f1cbd84c983839f4a76cd

      SHA256

      ba90e1651eeceeb4b5848694dda44fe936526b3b30f8344f24b798f25be7f6ca

      SHA512

      49772fccbe3ecf06d625baf91ce68f49d7e21316086d8c6cec2c330e5a75d40cf0da5ed755d470f899f56ac37a0fd40a3a0f4968a84297d972a3025c30a25ba9

    • C:\Windows\Temp\_$Cf\osk.exe

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • C:\Windows\Temp\_$Cf\osk.exe

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • \Windows\SysWOW64\WINWORD.EXE

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • \Windows\Temp\_$Cf\osk.exe

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • \Windows\Temp\_$Cf\osk.exe

      Filesize

      74KB

      MD5

      862a96836fe55f230039047fc1897b6f

      SHA1

      56a56c039d90714cefe7d2e7bb02e13c2b04764c

      SHA256

      0044b6448afbf8cce1057d5226b4baf27708656d9245f06dc9408956ced0cb21

      SHA512

      d6e77acb572339746797cfb9fd62b90fbcef4590f47eba5db538e97f7535326266b8146e120983d35a0978298083ffae90714ce119ef9c456b428374d288d574

    • memory/820-90-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB

    • memory/1108-68-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB

    • memory/1108-75-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB

    • memory/1212-87-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB

    • memory/1212-79-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB

    • memory/1396-70-0x0000000072C11000-0x0000000072C14000-memory.dmp

      Filesize

      12KB

    • memory/1396-82-0x0000000070691000-0x0000000070693000-memory.dmp

      Filesize

      8KB

    • memory/1396-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1396-93-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB

    • memory/1396-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1396-97-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB

    • memory/1580-95-0x000007FEFC2C1000-0x000007FEFC2C3000-memory.dmp

      Filesize

      8KB

    • memory/1756-57-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB

    • memory/1756-56-0x00000000756B1000-0x00000000756B3000-memory.dmp

      Filesize

      8KB

    • memory/1756-65-0x0000000011000000-0x000000001102F000-memory.dmp

      Filesize

      188KB