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Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2023, 14:25

General

  • Target

    NEAS.3112138bd1a0e1c4d7ea58f9f475b2deb23129f788dc7097f73068a5309a2bf6_JC.exe

  • Size

    7.2MB

  • MD5

    a1069ce00a5e9bc316d9f58760ff2c0e

  • SHA1

    3e8e327e46f751d3f319ed46d3c9869bfa97b71a

  • SHA256

    3112138bd1a0e1c4d7ea58f9f475b2deb23129f788dc7097f73068a5309a2bf6

  • SHA512

    4410087a96fbfa8202a05b48e59d554d538c16e786eec8abb61f9f63f94740494ee44db4b8294aa8ff2a3c9d57e9d2d68837b4dd3adcf83b0e21e77386e78a3a

  • SSDEEP

    196608:1DMJcDKlFBqcrx5ut7RK85Xs5XvyCMYpr/nGLtwN:BMODKlFBqwx5wXsBvyCpLGLtw

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 3 IoCs
  • ASPack v2.12-2.42 5 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.3112138bd1a0e1c4d7ea58f9f475b2deb23129f788dc7097f73068a5309a2bf6_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.3112138bd1a0e1c4d7ea58f9f475b2deb23129f788dc7097f73068a5309a2bf6_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\ajphuZ.exe
      C:\Users\Admin\AppData\Local\Temp\ajphuZ.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\30aa3b78.bat" "
        3⤵
          PID:3048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\2P314ZXV\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\30aa3b78.bat

      Filesize

      187B

      MD5

      de07b0c497d06b0c1bc61cacb6099f72

      SHA1

      e80775f60a3dbb0d495e9149bf5d5dc8262130de

      SHA256

      a56c419cd503d064c3f613c0de5c195ed0787bc87d6493facb6ffc38f40bac14

      SHA512

      cb956623c05d5ba2d8781e6d635d83c65687ffb453338b6f858b8dfaedab290dcd0554ddce7ee9a58083d3d592910082abed730bc2bff053702ff318c3ef4604

    • C:\Users\Admin\AppData\Local\Temp\30aa3b78.bat

      Filesize

      187B

      MD5

      de07b0c497d06b0c1bc61cacb6099f72

      SHA1

      e80775f60a3dbb0d495e9149bf5d5dc8262130de

      SHA256

      a56c419cd503d064c3f613c0de5c195ed0787bc87d6493facb6ffc38f40bac14

      SHA512

      cb956623c05d5ba2d8781e6d635d83c65687ffb453338b6f858b8dfaedab290dcd0554ddce7ee9a58083d3d592910082abed730bc2bff053702ff318c3ef4604

    • C:\Users\Admin\AppData\Local\Temp\499077C1.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\ajphuZ.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Users\Admin\AppData\Local\Temp\ajphuZ.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Users\Admin\AppData\Local\Temp\ajphuZ.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • \Users\Admin\AppData\Local\Temp\ajphuZ.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • \Users\Admin\AppData\Local\Temp\ajphuZ.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/2028-12-0x0000000000AF0000-0x0000000000AF9000-memory.dmp

      Filesize

      36KB

    • memory/2028-34-0x0000000000AF0000-0x0000000000AF9000-memory.dmp

      Filesize

      36KB

    • memory/2608-15-0x0000000000400000-0x0000000000B59000-memory.dmp

      Filesize

      7.3MB

    • memory/2608-0-0x0000000000400000-0x0000000000B59000-memory.dmp

      Filesize

      7.3MB

    • memory/2608-11-0x0000000000230000-0x0000000000239000-memory.dmp

      Filesize

      36KB

    • memory/2608-8-0x0000000000230000-0x0000000000239000-memory.dmp

      Filesize

      36KB

    • memory/2608-59-0x0000000000400000-0x0000000000B59000-memory.dmp

      Filesize

      7.3MB