Analysis

  • max time kernel
    153s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:04

General

  • Target

    5edb013f68a059db7dc018c5468e51c2fb81c7677f21872230fcbea92ca02b49.exe

  • Size

    255KB

  • MD5

    3abd70c8cd60300e6377176260cfb128

  • SHA1

    b1606d59a29b6210b5848a9f3b265dfa241a50ce

  • SHA256

    5edb013f68a059db7dc018c5468e51c2fb81c7677f21872230fcbea92ca02b49

  • SHA512

    dcf20d9d5f8af30f909183e209f09cc916f4aa6dcb57b7d22204b1995ae42ae1ff7739fdf6f2f84e0cc0762fbfb6bd88b66cd7e7454933e73e58b72c88f19417

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJz:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIy

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 31 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 5 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 64 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5edb013f68a059db7dc018c5468e51c2fb81c7677f21872230fcbea92ca02b49.exe
    "C:\Users\Admin\AppData\Local\Temp\5edb013f68a059db7dc018c5468e51c2fb81c7677f21872230fcbea92ca02b49.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\yfftikpyql.exe
      yfftikpyql.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\sadunlyw.exe
        C:\Windows\system32\sadunlyw.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1508
    • C:\Windows\SysWOW64\sqbmwjmxumzepxg.exe
      sqbmwjmxumzepxg.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c xqlbospdeobwe.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Windows\SysWOW64\xqlbospdeobwe.exe
          xqlbospdeobwe.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:572
    • C:\Windows\SysWOW64\sadunlyw.exe
      sadunlyw.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1164
    • C:\Windows\SysWOW64\xqlbospdeobwe.exe
      xqlbospdeobwe.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:664
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      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:1724
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1912

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      255KB

      MD5

      49e8fdc5dc4eedfa63856249f9058140

      SHA1

      a030df0c84c75c5c7ea45ab91db7faa164cd6d6a

      SHA256

      ec611a3f8ded71a0cdc23f5112885d48c6e5d88a8f9336128b4ae2bc18bc2b6c

      SHA512

      c389336d2fd14ea5d7044fa878a3e772e5b7208f58be680745551369ec8d9d3a955be885575c40d813e303067dff22cd3d71f3a214fb2d7f367209a53fda5e87

    • C:\Windows\SysWOW64\sadunlyw.exe

      Filesize

      255KB

      MD5

      ee762bc8fe9ab3dccc0ea9b9cf45f96f

      SHA1

      9598d6593527261c16a3cd3e07b55fd01249efe6

      SHA256

      6d8713d0cef93f4dc385d9a1e87bbc20cbf0c200df450ff12ccc9904ba3bd688

      SHA512

      335955196cca765182bfbca71677bcced9824102ac291261a7852366dfaaf5722f250dd61773e4b715f5373641958b1e4695fdc35a9a5eefa3da585bda895b3c

    • C:\Windows\SysWOW64\sadunlyw.exe

      Filesize

      255KB

      MD5

      ee762bc8fe9ab3dccc0ea9b9cf45f96f

      SHA1

      9598d6593527261c16a3cd3e07b55fd01249efe6

      SHA256

      6d8713d0cef93f4dc385d9a1e87bbc20cbf0c200df450ff12ccc9904ba3bd688

      SHA512

      335955196cca765182bfbca71677bcced9824102ac291261a7852366dfaaf5722f250dd61773e4b715f5373641958b1e4695fdc35a9a5eefa3da585bda895b3c

    • C:\Windows\SysWOW64\sadunlyw.exe

      Filesize

      255KB

      MD5

      ee762bc8fe9ab3dccc0ea9b9cf45f96f

      SHA1

      9598d6593527261c16a3cd3e07b55fd01249efe6

      SHA256

      6d8713d0cef93f4dc385d9a1e87bbc20cbf0c200df450ff12ccc9904ba3bd688

      SHA512

      335955196cca765182bfbca71677bcced9824102ac291261a7852366dfaaf5722f250dd61773e4b715f5373641958b1e4695fdc35a9a5eefa3da585bda895b3c

    • C:\Windows\SysWOW64\sqbmwjmxumzepxg.exe

      Filesize

      255KB

      MD5

      f22c67b7181210caaa0ec1700f7e3fe6

      SHA1

      db38ba30abf1d12348e252005f485f78ae351193

      SHA256

      22538839b8648af6f47397a368d2e808c3850bdfa520f389bee1f909f9f1a26a

      SHA512

      57cb63eae91e4dd43585fd21fa298061babaa4a0e541a4419c04f68b7bae0f19455249285e2db3c02fed69fe2707a12c636ab81227a1ab34f3c8791e1f93a9fa

    • C:\Windows\SysWOW64\sqbmwjmxumzepxg.exe

      Filesize

      255KB

      MD5

      f22c67b7181210caaa0ec1700f7e3fe6

      SHA1

      db38ba30abf1d12348e252005f485f78ae351193

      SHA256

      22538839b8648af6f47397a368d2e808c3850bdfa520f389bee1f909f9f1a26a

      SHA512

      57cb63eae91e4dd43585fd21fa298061babaa4a0e541a4419c04f68b7bae0f19455249285e2db3c02fed69fe2707a12c636ab81227a1ab34f3c8791e1f93a9fa

    • C:\Windows\SysWOW64\xqlbospdeobwe.exe

      Filesize

      255KB

      MD5

      5c904277d98dbb96bed5aa20478b0ca1

      SHA1

      295d029c12ae471593eb1dc59756466fedcff7a1

      SHA256

      56d5efafee5ffb90777948cfce513ee817a23239bdf96591a1e2ac6c9552164c

      SHA512

      dd5894af29228b5043dc9dcbf593f8d5e08f89f1cdad60859af3754da27deca8a1aad989c1e503b573974acae9738773ca1fb24d9c62dc8d72ac3eb98746da13

    • C:\Windows\SysWOW64\xqlbospdeobwe.exe

      Filesize

      255KB

      MD5

      5c904277d98dbb96bed5aa20478b0ca1

      SHA1

      295d029c12ae471593eb1dc59756466fedcff7a1

      SHA256

      56d5efafee5ffb90777948cfce513ee817a23239bdf96591a1e2ac6c9552164c

      SHA512

      dd5894af29228b5043dc9dcbf593f8d5e08f89f1cdad60859af3754da27deca8a1aad989c1e503b573974acae9738773ca1fb24d9c62dc8d72ac3eb98746da13

    • C:\Windows\SysWOW64\xqlbospdeobwe.exe

      Filesize

      255KB

      MD5

      5c904277d98dbb96bed5aa20478b0ca1

      SHA1

      295d029c12ae471593eb1dc59756466fedcff7a1

      SHA256

      56d5efafee5ffb90777948cfce513ee817a23239bdf96591a1e2ac6c9552164c

      SHA512

      dd5894af29228b5043dc9dcbf593f8d5e08f89f1cdad60859af3754da27deca8a1aad989c1e503b573974acae9738773ca1fb24d9c62dc8d72ac3eb98746da13

    • C:\Windows\SysWOW64\yfftikpyql.exe

      Filesize

      255KB

      MD5

      e0b1eb224f580aac8db59d8a9cd03613

      SHA1

      2537417104db16ddc318db40345d37a3c0691386

      SHA256

      a281359996eb1f8b799a5073ef155d9e1cecddbb822efe2acefaf60f2cb178ba

      SHA512

      81ebd90100942ad36693ffd44d33bd53011f4404b0e220298d63ecda7b58a8d37054fb82ac2b7a49fb1d695403520081f3598dad5a3e9f39b93d2740e42502ce

    • C:\Windows\SysWOW64\yfftikpyql.exe

      Filesize

      255KB

      MD5

      e0b1eb224f580aac8db59d8a9cd03613

      SHA1

      2537417104db16ddc318db40345d37a3c0691386

      SHA256

      a281359996eb1f8b799a5073ef155d9e1cecddbb822efe2acefaf60f2cb178ba

      SHA512

      81ebd90100942ad36693ffd44d33bd53011f4404b0e220298d63ecda7b58a8d37054fb82ac2b7a49fb1d695403520081f3598dad5a3e9f39b93d2740e42502ce

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\sadunlyw.exe

      Filesize

      255KB

      MD5

      ee762bc8fe9ab3dccc0ea9b9cf45f96f

      SHA1

      9598d6593527261c16a3cd3e07b55fd01249efe6

      SHA256

      6d8713d0cef93f4dc385d9a1e87bbc20cbf0c200df450ff12ccc9904ba3bd688

      SHA512

      335955196cca765182bfbca71677bcced9824102ac291261a7852366dfaaf5722f250dd61773e4b715f5373641958b1e4695fdc35a9a5eefa3da585bda895b3c

    • \Windows\SysWOW64\sadunlyw.exe

      Filesize

      255KB

      MD5

      ee762bc8fe9ab3dccc0ea9b9cf45f96f

      SHA1

      9598d6593527261c16a3cd3e07b55fd01249efe6

      SHA256

      6d8713d0cef93f4dc385d9a1e87bbc20cbf0c200df450ff12ccc9904ba3bd688

      SHA512

      335955196cca765182bfbca71677bcced9824102ac291261a7852366dfaaf5722f250dd61773e4b715f5373641958b1e4695fdc35a9a5eefa3da585bda895b3c

    • \Windows\SysWOW64\sqbmwjmxumzepxg.exe

      Filesize

      255KB

      MD5

      f22c67b7181210caaa0ec1700f7e3fe6

      SHA1

      db38ba30abf1d12348e252005f485f78ae351193

      SHA256

      22538839b8648af6f47397a368d2e808c3850bdfa520f389bee1f909f9f1a26a

      SHA512

      57cb63eae91e4dd43585fd21fa298061babaa4a0e541a4419c04f68b7bae0f19455249285e2db3c02fed69fe2707a12c636ab81227a1ab34f3c8791e1f93a9fa

    • \Windows\SysWOW64\xqlbospdeobwe.exe

      Filesize

      255KB

      MD5

      5c904277d98dbb96bed5aa20478b0ca1

      SHA1

      295d029c12ae471593eb1dc59756466fedcff7a1

      SHA256

      56d5efafee5ffb90777948cfce513ee817a23239bdf96591a1e2ac6c9552164c

      SHA512

      dd5894af29228b5043dc9dcbf593f8d5e08f89f1cdad60859af3754da27deca8a1aad989c1e503b573974acae9738773ca1fb24d9c62dc8d72ac3eb98746da13

    • \Windows\SysWOW64\xqlbospdeobwe.exe

      Filesize

      255KB

      MD5

      5c904277d98dbb96bed5aa20478b0ca1

      SHA1

      295d029c12ae471593eb1dc59756466fedcff7a1

      SHA256

      56d5efafee5ffb90777948cfce513ee817a23239bdf96591a1e2ac6c9552164c

      SHA512

      dd5894af29228b5043dc9dcbf593f8d5e08f89f1cdad60859af3754da27deca8a1aad989c1e503b573974acae9738773ca1fb24d9c62dc8d72ac3eb98746da13

    • \Windows\SysWOW64\yfftikpyql.exe

      Filesize

      255KB

      MD5

      e0b1eb224f580aac8db59d8a9cd03613

      SHA1

      2537417104db16ddc318db40345d37a3c0691386

      SHA256

      a281359996eb1f8b799a5073ef155d9e1cecddbb822efe2acefaf60f2cb178ba

      SHA512

      81ebd90100942ad36693ffd44d33bd53011f4404b0e220298d63ecda7b58a8d37054fb82ac2b7a49fb1d695403520081f3598dad5a3e9f39b93d2740e42502ce

    • memory/572-83-0x0000000000000000-mapping.dmp

    • memory/572-92-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/572-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/664-73-0x0000000000000000-mapping.dmp

    • memory/664-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/664-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1164-102-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1164-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1164-67-0x0000000000000000-mapping.dmp

    • memory/1508-108-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1508-93-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1508-89-0x0000000000000000-mapping.dmp

    • memory/1528-72-0x0000000000000000-mapping.dmp

    • memory/1700-86-0x0000000003320000-0x00000000033C0000-memory.dmp

      Filesize

      640KB

    • memory/1700-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

      Filesize

      8KB

    • memory/1700-55-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1700-77-0x0000000003320000-0x00000000033C0000-memory.dmp

      Filesize

      640KB

    • memory/1700-95-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1700-79-0x0000000003320000-0x00000000033C0000-memory.dmp

      Filesize

      640KB

    • memory/1724-97-0x00000000709E1000-0x00000000709E3000-memory.dmp

      Filesize

      8KB

    • memory/1724-94-0x0000000000000000-mapping.dmp

    • memory/1724-114-0x00000000719CD000-0x00000000719D8000-memory.dmp

      Filesize

      44KB

    • memory/1724-101-0x00000000719CD000-0x00000000719D8000-memory.dmp

      Filesize

      44KB

    • memory/1724-113-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1724-98-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1724-96-0x0000000072F61000-0x0000000072F64000-memory.dmp

      Filesize

      12KB

    • memory/1724-110-0x00000000719CD000-0x00000000719D8000-memory.dmp

      Filesize

      44KB

    • memory/1912-112-0x000007FEFC611000-0x000007FEFC613000-memory.dmp

      Filesize

      8KB

    • memory/1912-111-0x0000000000000000-mapping.dmp

    • memory/2012-103-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2012-107-0x0000000003D20000-0x0000000003DC0000-memory.dmp

      Filesize

      640KB

    • memory/2012-78-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2012-57-0x0000000000000000-mapping.dmp

    • memory/2032-62-0x0000000000000000-mapping.dmp

    • memory/2032-104-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2032-80-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB