Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 04:29

General

  • Target

    WMV_[WWW.DSESE666.NET]_HONGKONG_3296492365FH78FG6GK5.exe

  • Size

    3.0MB

  • MD5

    4a57ea222bc09445bfb07a488337634e

  • SHA1

    59ade3040cd598ae89fe4d8359998b9b396a35f8

  • SHA256

    e4b99d3b492408df0de5bd41c254315088b9c95df7dd33e10aaa394227590e62

  • SHA512

    f501948c42009ed208485e017c4bf1771e54141baa87a77855edc4855b480331cb2b13ce41ee19308193687fab4e142a46110da2ab38ef9528b2cfd85dceae36

  • SSDEEP

    49152:B0klMIiGUWSo2h496dw4zTOMCUultJETJetZd0vYc6+zJ9GyIxdb0:XSNWSo0496dwGTr87ZDd0vYOPGb0

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 45 IoCs
  • Sets service image path in registry 2 TTPs 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in System32 directory 8 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WMV_[WWW.DSESE666.NET]_HONGKONG_3296492365FH78FG6GK5.exe
    "C:\Users\Admin\AppData\Local\Temp\WMV_[WWW.DSESE666.NET]_HONGKONG_3296492365FH78FG6GK5.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Program Files\SetupTemp012\iedvv.exe
      "C:\Program Files\SetupTemp012\iedvv.exe" 30
      2⤵
      • Executes dropped EXE
      • Sets file execution options in registry
      • Sets service image path in registry
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1348
    • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
      "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" "C:\Program Files\SetupTemp012\temp012.wmv"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
        "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" "C:\Program Files\SetupTemp012\temp012.wmv"
        3⤵
          PID:3040
        • C:\Windows\SysWOW64\unregmp2.exe
          "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4300
          • C:\Windows\system32\unregmp2.exe
            "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
            4⤵
            • Enumerates connected drives
            • Suspicious use of AdjustPrivilegeToken
            PID:3404
    • C:\Windows\SysWOW64\acpi64.exe
      C:\Windows\SysWOW64\acpi64.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
        • Sets service image path in registry
        • Loads dropped DLL
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          3⤵
          • Sets service image path in registry
          • Loads dropped DLL
          PID:1780

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files\SetupTemp012\iedvv.exe

      Filesize

      372KB

      MD5

      8a6ca67120d329a09c416f51ce7ef60d

      SHA1

      f442b33d68134a852044126ffb51d3fae4ad4984

      SHA256

      dcf7fe140561a156d1cbba871b5e96d15c83c5a703555cab51c343496bc71f26

      SHA512

      28602ef899dd2cf165537b25a10700da22b786d25f5edda66a0471119636d004439f88c59752c701e82d67dc647ec765a1c13178fce64ddafaa2ac1cb3f62e47

    • C:\Program Files\SetupTemp012\iedvv.exe

      Filesize

      372KB

      MD5

      8a6ca67120d329a09c416f51ce7ef60d

      SHA1

      f442b33d68134a852044126ffb51d3fae4ad4984

      SHA256

      dcf7fe140561a156d1cbba871b5e96d15c83c5a703555cab51c343496bc71f26

      SHA512

      28602ef899dd2cf165537b25a10700da22b786d25f5edda66a0471119636d004439f88c59752c701e82d67dc647ec765a1c13178fce64ddafaa2ac1cb3f62e47

    • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

      Filesize

      1KB

      MD5

      2ab0a9281c1d605d6cd8226dee8a5d72

      SHA1

      a0caa1d603b2f96095924e0f8bf4bd96c8c957a0

      SHA256

      a233f323a73bce7e8b5306a5d2712a7626fdd61862ebae255e8b3ef519619a3c

      SHA512

      300f8391db95640282187f98e3909cbe9608b747b7b72a6179204761a42b8dc62e13e7761847ccd804c0edd6b97695e86d4496f2fa67378e572fc5dbcc8b39d4

    • C:\Windows\SysWOW64\acpi64.dll

      Filesize

      232KB

      MD5

      be5401228507fd226ab13c564e65f888

      SHA1

      af0f03698138867073014fdbc0ae6f7248b98915

      SHA256

      23258dafc47e9f46a7c8d2d183fea07567e4196bddcb8f70b5bdbed3dd77b767

      SHA512

      19503a068c202157397fa76eaead5b23ef6179c8da58cf2afdc0f069742e086b65ec1004c2c0980424bf44c73d5ff5569013285f6f1a8d20b6ea234ace044744

    • C:\Windows\SysWOW64\acpi64.dll

      Filesize

      232KB

      MD5

      be5401228507fd226ab13c564e65f888

      SHA1

      af0f03698138867073014fdbc0ae6f7248b98915

      SHA256

      23258dafc47e9f46a7c8d2d183fea07567e4196bddcb8f70b5bdbed3dd77b767

      SHA512

      19503a068c202157397fa76eaead5b23ef6179c8da58cf2afdc0f069742e086b65ec1004c2c0980424bf44c73d5ff5569013285f6f1a8d20b6ea234ace044744

    • C:\Windows\SysWOW64\acpi64.dll

      Filesize

      232KB

      MD5

      be5401228507fd226ab13c564e65f888

      SHA1

      af0f03698138867073014fdbc0ae6f7248b98915

      SHA256

      23258dafc47e9f46a7c8d2d183fea07567e4196bddcb8f70b5bdbed3dd77b767

      SHA512

      19503a068c202157397fa76eaead5b23ef6179c8da58cf2afdc0f069742e086b65ec1004c2c0980424bf44c73d5ff5569013285f6f1a8d20b6ea234ace044744

    • C:\Windows\SysWOW64\acpi64.exe

      Filesize

      372KB

      MD5

      8a6ca67120d329a09c416f51ce7ef60d

      SHA1

      f442b33d68134a852044126ffb51d3fae4ad4984

      SHA256

      dcf7fe140561a156d1cbba871b5e96d15c83c5a703555cab51c343496bc71f26

      SHA512

      28602ef899dd2cf165537b25a10700da22b786d25f5edda66a0471119636d004439f88c59752c701e82d67dc647ec765a1c13178fce64ddafaa2ac1cb3f62e47

    • C:\Windows\SysWOW64\acpi64.exe

      Filesize

      372KB

      MD5

      8a6ca67120d329a09c416f51ce7ef60d

      SHA1

      f442b33d68134a852044126ffb51d3fae4ad4984

      SHA256

      dcf7fe140561a156d1cbba871b5e96d15c83c5a703555cab51c343496bc71f26

      SHA512

      28602ef899dd2cf165537b25a10700da22b786d25f5edda66a0471119636d004439f88c59752c701e82d67dc647ec765a1c13178fce64ddafaa2ac1cb3f62e47

    • C:\Windows\SysWOW64\acpi64.ocx

      Filesize

      232KB

      MD5

      be5401228507fd226ab13c564e65f888

      SHA1

      af0f03698138867073014fdbc0ae6f7248b98915

      SHA256

      23258dafc47e9f46a7c8d2d183fea07567e4196bddcb8f70b5bdbed3dd77b767

      SHA512

      19503a068c202157397fa76eaead5b23ef6179c8da58cf2afdc0f069742e086b65ec1004c2c0980424bf44c73d5ff5569013285f6f1a8d20b6ea234ace044744

    • C:\Windows\SysWOW64\acpi64.ocx

      Filesize

      232KB

      MD5

      be5401228507fd226ab13c564e65f888

      SHA1

      af0f03698138867073014fdbc0ae6f7248b98915

      SHA256

      23258dafc47e9f46a7c8d2d183fea07567e4196bddcb8f70b5bdbed3dd77b767

      SHA512

      19503a068c202157397fa76eaead5b23ef6179c8da58cf2afdc0f069742e086b65ec1004c2c0980424bf44c73d5ff5569013285f6f1a8d20b6ea234ace044744

    • memory/556-144-0x0000000000000000-mapping.dmp

    • memory/1348-132-0x0000000000000000-mapping.dmp

    • memory/1780-146-0x0000000000000000-mapping.dmp

    • memory/2248-135-0x0000000000000000-mapping.dmp

    • memory/3040-136-0x0000000000000000-mapping.dmp

    • memory/3404-138-0x0000000000000000-mapping.dmp

    • memory/4300-137-0x0000000000000000-mapping.dmp