Analysis

  • max time kernel
    146s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 21:56

General

  • Target

    c8a81b938653e9f9818d75ef638fa458ab9644a0e3cba1210217916e208583b8.exe

  • Size

    143KB

  • MD5

    c33879f960c562e64e7304acb0d6aef2

  • SHA1

    3909728f00535ed39c31614441c7118515ad8d52

  • SHA256

    c8a81b938653e9f9818d75ef638fa458ab9644a0e3cba1210217916e208583b8

  • SHA512

    0261355398b148d7bcb1a7400b7e4c694758e5671c109e46c7d5afb91bae0ba89bdc86600e1e5e40f780963c352330f5043dc5c8cfcddf3e69e288e5f40c2e57

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 128 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SetWindowsHookEx 28 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8a81b938653e9f9818d75ef638fa458ab9644a0e3cba1210217916e208583b8.exe
    "C:\Users\Admin\AppData\Local\Temp\c8a81b938653e9f9818d75ef638fa458ab9644a0e3cba1210217916e208583b8.exe"
    1⤵
      PID:1320
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1796 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1520
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1796 CREDAT:603143 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1256
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1064 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:968
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1052 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:776
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:916 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1068
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1156 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:528

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\s7iy1jn\imagestore.dat
      MD5

      45c6f3e8a4123f0f7c3b6ff41bf50fd2

      SHA1

      9d16a0836fc636950a742c2680f9b9279d1ce2eb

      SHA256

      36264f507db5fe6c11f2b4ddb2eed4d79b413e8becf0e22b8244cd263f63f521

      SHA512

      27b63c9eeff4131fa9714b5e465187809b615ef640ee2bf40f8f2763bf79f45ad94dd3a716066febc1603d3163b10e9330b53dfe00ac155ae73ebe39d3778312

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\s7iy1jn\imagestore.dat
      MD5

      45c6f3e8a4123f0f7c3b6ff41bf50fd2

      SHA1

      9d16a0836fc636950a742c2680f9b9279d1ce2eb

      SHA256

      36264f507db5fe6c11f2b4ddb2eed4d79b413e8becf0e22b8244cd263f63f521

      SHA512

      27b63c9eeff4131fa9714b5e465187809b615ef640ee2bf40f8f2763bf79f45ad94dd3a716066febc1603d3163b10e9330b53dfe00ac155ae73ebe39d3778312

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\s7iy1jn\imagestore.dat
      MD5

      45c6f3e8a4123f0f7c3b6ff41bf50fd2

      SHA1

      9d16a0836fc636950a742c2680f9b9279d1ce2eb

      SHA256

      36264f507db5fe6c11f2b4ddb2eed4d79b413e8becf0e22b8244cd263f63f521

      SHA512

      27b63c9eeff4131fa9714b5e465187809b615ef640ee2bf40f8f2763bf79f45ad94dd3a716066febc1603d3163b10e9330b53dfe00ac155ae73ebe39d3778312

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\s7iy1jn\imagestore.dat
      MD5

      45c6f3e8a4123f0f7c3b6ff41bf50fd2

      SHA1

      9d16a0836fc636950a742c2680f9b9279d1ce2eb

      SHA256

      36264f507db5fe6c11f2b4ddb2eed4d79b413e8becf0e22b8244cd263f63f521

      SHA512

      27b63c9eeff4131fa9714b5e465187809b615ef640ee2bf40f8f2763bf79f45ad94dd3a716066febc1603d3163b10e9330b53dfe00ac155ae73ebe39d3778312

    • memory/528-11-0x0000000000000000-mapping.dmp
    • memory/776-7-0x0000000000000000-mapping.dmp
    • memory/968-5-0x0000000000000000-mapping.dmp
    • memory/1068-9-0x0000000000000000-mapping.dmp
    • memory/1256-3-0x0000000000000000-mapping.dmp
    • memory/1320-0-0x00000000003E0000-0x00000000003F1000-memory.dmp
      Filesize

      68KB

    • memory/1324-1-0x000007FEF7FE0000-0x000007FEF825A000-memory.dmp
      Filesize

      2.5MB

    • memory/1520-4-0x0000000006030000-0x0000000006053000-memory.dmp
      Filesize

      140KB

    • memory/1520-2-0x0000000000000000-mapping.dmp