Analysis

  • max time kernel
    64s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 08:39

General

  • Target

    file.exe

  • Size

    655KB

  • MD5

    2ad02c3e1cb7a5fbbe3d14338d5d5e03

  • SHA1

    e7e5b3996502beae37d681766e58063773b1c385

  • SHA256

    8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0

  • SHA512

    19fb2ed1d6f811ad54558453385625614a378aa5cd2dbe464b648abc444d15f3758c74e8301e935b114a105259fe7df2fcc6a8a500e90b14a3f157ef49551c16

  • SSDEEP

    12288:d4o51BciOj8M4CvPn6QGny7uCc5xo5qEE:ptvMVvPHmc3y

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • VMProtect packed file 8 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\Temp\16.exe
      "C:\Windows\Temp\16.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:580
        • C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
          C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1824 -s 56
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:1864
      • C:\Users\Admin\AppData\Local\Temp\IJ6867I8E5520K0.exe
        <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <HTML><HEAD> <TITLE>509 Bandwidth Limit Exceeded</TITLE> </HEAD><BODY> <H1>Bandwidth Limit Exceeded</H1> The server is temporarily unable to service your request due to the site owner reaching his/her bandwidth limit. Please try again later. </BODY></HTML>
        3⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IJ6867I8E5520K0.exe

    Filesize

    8KB

    MD5

    8719ce641e7c777ac1b0eaec7b5fa7c7

    SHA1

    c04de52cb511480cc7d00d67f1d9e17b02d6406b

    SHA256

    6283ac6ecbf4c4038cf44896dd221c7c11152bac77273709330409032c3e72ea

    SHA512

    7be5bd6d2342dd02818f1979e7e74a6376658711ac82a59b2af1a67207cfd3c7416b657af01216473b15132e4aa5c6675f0eb8ee6343192c7dfc4a5249ccaa97

  • C:\Users\Admin\AppData\Local\Temp\IJ6867I8E5520K0.exe

    Filesize

    8KB

    MD5

    8719ce641e7c777ac1b0eaec7b5fa7c7

    SHA1

    c04de52cb511480cc7d00d67f1d9e17b02d6406b

    SHA256

    6283ac6ecbf4c4038cf44896dd221c7c11152bac77273709330409032c3e72ea

    SHA512

    7be5bd6d2342dd02818f1979e7e74a6376658711ac82a59b2af1a67207cfd3c7416b657af01216473b15132e4aa5c6675f0eb8ee6343192c7dfc4a5249ccaa97

  • C:\Users\Admin\AppData\Roaming\explorer\explorer.exe

    Filesize

    5.2MB

    MD5

    dee1568dc4d523e4aff5c7563b26887c

    SHA1

    565a8f3d02746fb203c5a7e2777211bf33cf656b

    SHA256

    f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

    SHA512

    0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

  • C:\Users\Admin\AppData\Roaming\explorer\explorer.exe

    Filesize

    5.2MB

    MD5

    dee1568dc4d523e4aff5c7563b26887c

    SHA1

    565a8f3d02746fb203c5a7e2777211bf33cf656b

    SHA256

    f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

    SHA512

    0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

  • C:\Windows\Temp\16.exe

    Filesize

    115KB

    MD5

    5abe44351d425458a0b1aa5c6a2d007c

    SHA1

    1cf91938b5d6a1d49531d07fc4d0612b4ce18365

    SHA256

    7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

    SHA512

    557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

  • \Users\Admin\AppData\Local\Temp\IJ6867I8E5520K0.exe

    Filesize

    8KB

    MD5

    8719ce641e7c777ac1b0eaec7b5fa7c7

    SHA1

    c04de52cb511480cc7d00d67f1d9e17b02d6406b

    SHA256

    6283ac6ecbf4c4038cf44896dd221c7c11152bac77273709330409032c3e72ea

    SHA512

    7be5bd6d2342dd02818f1979e7e74a6376658711ac82a59b2af1a67207cfd3c7416b657af01216473b15132e4aa5c6675f0eb8ee6343192c7dfc4a5249ccaa97

  • \Users\Admin\AppData\Roaming\explorer\explorer.exe

    Filesize

    5.2MB

    MD5

    dee1568dc4d523e4aff5c7563b26887c

    SHA1

    565a8f3d02746fb203c5a7e2777211bf33cf656b

    SHA256

    f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

    SHA512

    0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

  • \Users\Admin\AppData\Roaming\explorer\explorer.exe

    Filesize

    5.2MB

    MD5

    dee1568dc4d523e4aff5c7563b26887c

    SHA1

    565a8f3d02746fb203c5a7e2777211bf33cf656b

    SHA256

    f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

    SHA512

    0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

  • \Users\Admin\AppData\Roaming\explorer\explorer.exe

    Filesize

    5.2MB

    MD5

    dee1568dc4d523e4aff5c7563b26887c

    SHA1

    565a8f3d02746fb203c5a7e2777211bf33cf656b

    SHA256

    f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

    SHA512

    0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

  • \Users\Admin\AppData\Roaming\explorer\explorer.exe

    Filesize

    5.2MB

    MD5

    dee1568dc4d523e4aff5c7563b26887c

    SHA1

    565a8f3d02746fb203c5a7e2777211bf33cf656b

    SHA256

    f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

    SHA512

    0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

  • \Windows\Temp\16.exe

    Filesize

    115KB

    MD5

    5abe44351d425458a0b1aa5c6a2d007c

    SHA1

    1cf91938b5d6a1d49531d07fc4d0612b4ce18365

    SHA256

    7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

    SHA512

    557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

  • \Windows\Temp\16.exe

    Filesize

    115KB

    MD5

    5abe44351d425458a0b1aa5c6a2d007c

    SHA1

    1cf91938b5d6a1d49531d07fc4d0612b4ce18365

    SHA256

    7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

    SHA512

    557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

  • memory/580-61-0x0000000000000000-mapping.dmp

  • memory/1300-59-0x0000000000000000-mapping.dmp

  • memory/1552-73-0x0000000000000000-mapping.dmp

  • memory/1552-76-0x000000013F4E0000-0x000000013F4E6000-memory.dmp

    Filesize

    24KB

  • memory/1552-77-0x000007FEFB851000-0x000007FEFB853000-memory.dmp

    Filesize

    8KB

  • memory/1552-78-0x000000001BD29000-0x000000001BD48000-memory.dmp

    Filesize

    124KB

  • memory/1636-54-0x0000000001330000-0x00000000013DA000-memory.dmp

    Filesize

    680KB

  • memory/1636-56-0x00000000004A0000-0x00000000004C4000-memory.dmp

    Filesize

    144KB

  • memory/1636-55-0x00000000757B1000-0x00000000757B3000-memory.dmp

    Filesize

    8KB

  • memory/1824-66-0x000000013F0B0000-0x000000013F945000-memory.dmp

    Filesize

    8.6MB

  • memory/1824-70-0x000000013F0B0000-0x000000013F945000-memory.dmp

    Filesize

    8.6MB

  • memory/1824-63-0x0000000000000000-mapping.dmp

  • memory/1864-67-0x0000000000000000-mapping.dmp