Overview

overview

10

Static

static

10

foo/0044d6...f7.exe

windows7_x64

1

foo/0044d6...f7.exe

windows10_x64

1

foo/034e4c...a9.exe

windows7_x64

4

foo/034e4c...a9.exe

windows10_x64

4

foo/035fa2...72.exe

windows7_x64

10

foo/035fa2...72.exe

windows10_x64

10

foo/04884a...1b.exe

windows7_x64

8

foo/04884a...1b.exe

windows10_x64

8

foo/06ed82...59.exe

windows7_x64

7

foo/06ed82...59.exe

windows10_x64

7

foo/07470b...68.exe

windows7_x64

8

foo/07470b...68.exe

windows10_x64

8

foo/078adb...c0.exe

windows7_x64

10

foo/078adb...c0.exe

windows10_x64

10

foo/09e5c8...b4.exe

windows7_x64

1

foo/09e5c8...b4.exe

windows10_x64

1

foo/0becfe...f4.exe

windows7_x64

10

foo/0becfe...f4.exe

windows10_x64

10

foo/1a78d3...a3.exe

windows7_x64

5

foo/1a78d3...a3.exe

windows10_x64

5

foo/1ffe82...a6.exe

windows7_x64

10

foo/1ffe82...a6.exe

windows10_x64

10

foo/255028...e1.dll

windows7_x64

1

foo/255028...e1.dll

windows10_x64

1

foo/27601d...cc.exe

windows7_x64

8

foo/27601d...cc.exe

windows10_x64

8

foo/27f911...49.exe

windows7_x64

10

foo/27f911...49.exe

windows10_x64

10

foo/28408c...c5.exe

windows7_x64

10

foo/28408c...c5.exe

windows10_x64

10

foo/296822...e4.dll

windows7_x64

3

foo/296822...e4.dll

windows10_x64

3

foo/2de7b8...a4.exe

windows7_x64

10

foo/2de7b8...a4.exe

windows10_x64

10

foo/2e00df...8b.exe

windows7_x64

9

foo/2e00df...8b.exe

windows10_x64

9

foo/2e90a1...22.exe

windows7_x64

6

foo/2e90a1...22.exe

windows10_x64

6

foo/2f215e...b0.dll

windows7_x64

10

foo/2f215e...b0.dll

windows10_x64

10

foo/30bc06...3e.exe

windows7_x64

10

foo/30bc06...3e.exe

windows10_x64

10

foo/312e67...f3.exe

windows7_x64

4

foo/312e67...f3.exe

windows10_x64

4

foo/383497...1b.exe

windows7_x64

10

foo/383497...1b.exe

windows10_x64

10

foo/39555e...ec.exe

windows7_x64

10

foo/39555e...ec.exe

windows10_x64

10

foo/39e531...04.exe

windows7_x64

10

foo/39e531...04.exe

windows10_x64

10

foo/3aba72...cd.exe

windows7_x64

1

foo/3aba72...cd.exe

windows10_x64

1

foo/406c9b...fe.exe

windows7_x64

10

foo/406c9b...fe.exe

windows10_x64

10

foo/457cfd...ca.exe

windows7_x64

7

foo/457cfd...ca.exe

windows10_x64

7

foo/4761e4...60.exe

windows7_x64

8

foo/4761e4...60.exe

windows10_x64

8

foo/487f1b...04.exe

windows7_x64

8

foo/487f1b...04.exe

windows10_x64

7

foo/4a74c9...cf.exe

windows7_x64

10

foo/4a74c9...cf.exe

windows10_x64

10

foo/4b2d78...4b.exe

windows7_x64

8

foo/4b2d78...4b.exe

windows10_x64

8

foo/4c49c2...ba.exe

windows7_x64

1

foo/4c49c2...ba.exe

windows10_x64

1

foo/4cfe8f...77.exe

windows7_x64

9

foo/4cfe8f...77.exe

windows10_x64

9

foo/4ea454...13.exe

windows7_x64

8

foo/4ea454...13.exe

windows10_x64

8

foo/52d6c5...7e.exe

windows7_x64

7

foo/52d6c5...7e.exe

windows10_x64

7

foo/55fc11...e0.exe

windows7_x64

foo/55fc11...e0.exe

windows10_x64

10

foo/59f0fb...06.exe

windows7_x64

1

foo/59f0fb...06.exe

windows10_x64

1

foo/5b1c0d...cb.exe

windows7_x64

1

foo/5b1c0d...cb.exe

windows10_x64

1

foo/5bc72a...ea.exe

windows7_x64

8

foo/5bc72a...ea.exe

windows10_x64

8

foo/5d3305...2a.exe

windows7_x64

7

foo/5d3305...2a.exe

windows10_x64

7

foo/5d9775...39.exe

windows7_x64

8

foo/5d9775...39.exe

windows10_x64

8

foo/60121e...3e.exe

windows7_x64

9

foo/60121e...3e.exe

windows10_x64

9

foo/62565a...fd.exe

windows7_x64

10

foo/62565a...fd.exe

windows10_x64

10

foo/62a3fd...64.exe

windows7_x64

8

foo/62a3fd...64.exe

windows10_x64

10

foo/63e9ce...d0.exe

windows7_x64

8

foo/63e9ce...d0.exe

windows10_x64

8

foo/6497ba...c5.exe

windows7_x64

10

foo/6497ba...c5.exe

windows10_x64

10

foo/698cc8...31.exe

windows7_x64

7

foo/698cc8...31.exe

windows10_x64

7

foo/6f2c5c...d5.exe

windows7_x64

7

foo/6f2c5c...d5.exe

windows10_x64

7

foo/798f5e...ba.exe

windows7_x64

10

foo/798f5e...ba.exe

windows10_x64

10

foo/7aec86...51.exe

windows7_x64

1

foo/7aec86...51.exe

windows10_x64

1

foo/84bf6e...64.exe

windows7_x64

8

foo/84bf6e...64.exe

windows10_x64

8

foo/907b7d...b3.exe

windows7_x64

8

foo/907b7d...b3.exe

windows10_x64

8

foo/928f1d...ee.exe

windows7_x64

1

foo/928f1d...ee.exe

windows10_x64

1

foo/9401b0...6c.exe

windows7_x64

1

foo/9401b0...6c.exe

windows10_x64

1

foo/97dd87...84.exe

windows7_x64

10

foo/97dd87...84.exe

windows10_x64

10

foo/9b8c48...a4.exe

windows7_x64

8

foo/9b8c48...a4.exe

windows10_x64

8

foo/9cde71...cd.exe

windows7_x64

6

foo/9cde71...cd.exe

windows10_x64

6

foo/9d3438...4b.exe

windows7_x64

8

foo/9d3438...4b.exe

windows10_x64

1

foo/9f8818...2d.exe

windows7_x64

8

foo/9f8818...2d.exe

windows10_x64

3

foo/a17bdc...cf.exe

windows7_x64

9

foo/a17bdc...cf.exe

windows10_x64

9

foo/a29811...46.exe

windows7_x64

10

foo/a29811...46.exe

windows10_x64

10

foo/aa3b51...52.exe

windows7_x64

10

foo/aa3b51...52.exe

windows10_x64

10

foo/acf0b7...c4.exe

windows7_x64

8

foo/acf0b7...c4.exe

windows10_x64

8

foo/aeca5c...f7.exe

windows7_x64

1

foo/aeca5c...f7.exe

windows10_x64

1

foo/b10714...f3.exe

windows7_x64

8

foo/b10714...f3.exe

windows10_x64

8

foo/b23652...9f.exe

windows7_x64

6

foo/b23652...9f.exe

windows10_x64

6

foo/b514b5...fc.exe

windows7_x64

1

foo/b514b5...fc.exe

windows10_x64

1

foo/b64196...23.exe

windows7_x64

7

foo/b64196...23.exe

windows10_x64

7

foo/b693df...60.exe

windows7_x64

7

foo/b693df...60.exe

windows10_x64

7

foo/b6e7c9...bc.exe

windows7_x64

10

foo/b6e7c9...bc.exe

windows10_x64

10

foo/b7d5f0...4a.exe

windows7_x64

10

foo/b7d5f0...4a.exe

windows10_x64

10

foo/ba2d46...29.exe

windows7_x64

1

foo/ba2d46...29.exe

windows10_x64

1

foo/bad78e...e5.exe

windows7_x64

9

foo/bad78e...e5.exe

windows10_x64

9

foo/bc6536...b9.exe

windows7_x64

10

foo/bc6536...b9.exe

windows10_x64

10

foo/be85e0...2c.exe

windows7_x64

1

foo/be85e0...2c.exe

windows10_x64

1

foo/c914b1...ee.exe

windows7_x64

3

foo/c914b1...ee.exe

windows10_x64

3

foo/c944ea...cc.exe

windows7_x64

8

foo/c944ea...cc.exe

windows10_x64

8

foo/cad363...8b.exe

windows7_x64

6

foo/cad363...8b.exe

windows10_x64

6

foo/cd89b6...df.exe

windows7_x64

8

foo/cd89b6...df.exe

windows10_x64

8

foo/d81e76...c4.exe

windows7_x64

10

foo/d81e76...c4.exe

windows10_x64

10

foo/d86d2c...08.exe

windows7_x64

10

foo/d86d2c...08.exe

windows10_x64

10

foo/d8e37d...98.exe

windows7_x64

9

foo/d8e37d...98.exe

windows10_x64

9

foo/dea515...e1.exe

windows7_x64

10

foo/dea515...e1.exe

windows10_x64

6

foo/dfcc55...b8.exe

windows7_x64

7

foo/dfcc55...b8.exe

windows10_x64

7

foo/e03bd4...fe.exe

windows7_x64

8

foo/e03bd4...fe.exe

windows10_x64

8

foo/e16ec7...2d.exe

windows7_x64

8

foo/e16ec7...2d.exe

windows10_x64

8

foo/e61c0e...0e.exe

windows7_x64

7

foo/e61c0e...0e.exe

windows10_x64

7

foo/e78fad...51.exe

windows7_x64

8

foo/e78fad...51.exe

windows10_x64

8

foo/e7ad45...88.exe

windows7_x64

3

foo/e7ad45...88.exe

windows10_x64

3

foo/e95678...8f.exe

windows7_x64

1

foo/e95678...8f.exe

windows10_x64

1

foo/edf723...ee.dll

windows7_x64

1

foo/edf723...ee.dll

windows10_x64

1

foo/f2366f...f5.exe

windows7_x64

1

foo/f2366f...f5.exe

windows10_x64

1

foo/f645a9...1f.exe

windows7_x64

1

foo/f645a9...1f.exe

windows10_x64

1

foo/f65e75...56.exe

windows7_x64

1

foo/f65e75...56.exe

windows10_x64

1

foo/f66028...2b.exe

windows7_x64

8

foo/f66028...2b.exe

windows10_x64

8

foo/f6c1c7...89.exe

windows7_x64

10

foo/f6c1c7...89.exe

windows10_x64

10

foo/fbab90...7c.exe

windows7_x64

7

foo/fbab90...7c.exe

windows10_x64

7

foo/fcdc00...b3.exe

windows7_x64

8

foo/fcdc00...b3.exe

windows10_x64

8

foo/fffb61...ba.exe

windows7_x64

1

foo/fffb61...ba.exe

windows10_x64

1

Analysis

  • max time kernel
    96s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    11-08-2020 12:30

General

  • Target

    foo/457cfd3e7a53e7500f8206b3ea300aca.exe

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs

    BHOs are DLL modules which act as plugins for Internet Explorer.

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

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

  • Modifies Internet Explorer settings 1 TTPs 50 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\foo\457cfd3e7a53e7500f8206b3ea300aca.exe
    "C:\Users\Admin\AppData\Local\Temp\foo\457cfd3e7a53e7500f8206b3ea300aca.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\tblgbdszgkviyfr.dll"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies registry class
      PID:3744
  • 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:3408
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3408 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203

    MD5

    935a31c5de9b25991c78f3347981a198

    SHA1

    89b92cd0be84e3ef62e53f008d059fd6b0f69ce7

    SHA256

    24141ba91a5c8558f914320b3a9a870d37c52e982a560b8792a09b8da44c57f2

    SHA512

    2ea64eb057458afa063332f8c03558c299ecdfbadf0189110e4a969ad391792107b5554e7848912747ed91588914b66ad89d1dc42a80ac33091ec95756727270

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203

    MD5

    cfb4e1af5dad24cf633eebdb91bd94c1

    SHA1

    86fb4c07422389b1f9b35b4d22914fb9e41e64f3

    SHA256

    570132f5d671376c3ae5ffad2b1ca2575f08b18ff7341b03da841549dd0c3282

    SHA512

    43fb1378f597e3231b1c7f9cb53b0aefe53db5b51833c6c919d8e1f72d7e3ee557a7ee6ea6d0477bdf80f9e8806c74e5afc54e94d226f3de0ff32f654c1d18d1

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\7CC57BIX.cookie

    MD5

    92e54536612b1786d70ae003419e67f5

    SHA1

    1899f5686f6c92253f5fd12c9149d7c78a6e6593

    SHA256

    ce87b38921b8d260a94aa582b452e21b0ddd2a18002f3b482c5c302cf80bc7c8

    SHA512

    56b070be607efb285a199155d88b0192d7e85e4d3758451b63df54e11ad2a1ee9e06dcf8cfb554c8b00674baddadcb04eb39c3fa6bb29f3408525e052ee294e0

  • C:\Windows\SysWOW64\tblgbdszgkviyfr.dll

    MD5

    d3220c6f334f981e49988be5d10bc808

    SHA1

    e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

    SHA256

    1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

    SHA512

    aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

  • \Users\Admin\AppData\Local\Temp\nsn1DF5.tmp\NSISdl.dll

    MD5

    f0e51d5722c11a4fe40c97b746c1ffc5

    SHA1

    8ec31853e9ef08fdc2a8c3c8eaa5f5b9469af193

    SHA256

    93a27f96055ae6b7f44916e13487b0efa7cd6d762e6768f7cb6427e32bda777d

    SHA512

    212c1ed753b54e5eccf7e1421bcca86955e09d6e3873f891d3d7076e21f79feb5f1dba350818804a215980875c306283b02f628fbc191d958f0de0f528c7194a

  • \Users\Admin\AppData\Local\Temp\nsn1DF5.tmp\NSISdl.dll

    MD5

    f0e51d5722c11a4fe40c97b746c1ffc5

    SHA1

    8ec31853e9ef08fdc2a8c3c8eaa5f5b9469af193

    SHA256

    93a27f96055ae6b7f44916e13487b0efa7cd6d762e6768f7cb6427e32bda777d

    SHA512

    212c1ed753b54e5eccf7e1421bcca86955e09d6e3873f891d3d7076e21f79feb5f1dba350818804a215980875c306283b02f628fbc191d958f0de0f528c7194a

  • \Users\Admin\AppData\Local\Temp\nsn1DF5.tmp\System.dll

    MD5

    7e3c808299aa2c405dffa864471ddb7f

    SHA1

    b5de7804dd35ed7afd0c3b59d866f1a0749495e0

    SHA256

    91c47a9a54a3a8c359e89a8b4e133e6b7296586748ed3e8f4fe566abd6c81ddd

    SHA512

    599f61d5270227a68e5c4b8db41b5aa7bc17a4bbe91dd7336b410516fa6107f4f5bf0bbb3f6cc4b2e15b16bf9495fdc70832bab6262046cb136ad18f0c9b3738

  • \Windows\SysWOW64\tblgbdszgkviyfr.dll

    MD5

    d3220c6f334f981e49988be5d10bc808

    SHA1

    e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

    SHA256

    1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

    SHA512

    aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

  • \Windows\SysWOW64\tblgbdszgkviyfr.dll

    MD5

    d3220c6f334f981e49988be5d10bc808

    SHA1

    e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

    SHA256

    1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

    SHA512

    aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

  • \Windows\SysWOW64\tblgbdszgkviyfr.dll

    MD5

    d3220c6f334f981e49988be5d10bc808

    SHA1

    e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

    SHA256

    1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

    SHA512

    aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

  • memory/2936-8-0x0000000000000000-mapping.dmp

  • memory/3744-3-0x0000000000000000-mapping.dmp