Analysis

  • max time kernel
    128s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23/12/2022, 04:21

General

  • Target
    cdeee6b3ed1cf3fda7a61c7d2ffec102.exe
  • Size 1.1MB
  • Sample221223-eynvssah91
  • SHA256 3f90b1365a96b6f621ee3010f110da568909bedaa96e735dc6ce211e1176f91a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 40 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 41 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdeee6b3ed1cf3fda7a61c7d2ffec102.exe
    "C:\Users\Admin\AppData\Local\Temp\cdeee6b3ed1cf3fda7a61c7d2ffec102.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Quspupodwqfhie.tmp",Ritwuoaoyiy
      2⤵
      • Blocklisted process makes network request
      • Sets DLL path for service in the registry
      • Sets service image path in registry
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 18952
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:1404
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
        3⤵
          PID:1252
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k LocalService
      1⤵
      • Loads dropped DLL
      • Checks processor information in registry
      PID:284
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "c:\program files (x86)\windows sidebar\de-de\displaylanguagenames.en_us_posix.dll",IxgLd0JJVg==
        2⤵
          PID:1504

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            INDEX.002

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\INDEX.002
            • Size 64KB
            • SHA256 1e75eea9234059a92766afd8a7c5c2a286a8ecac1abd1084eb4188051c32f920
            • MD5 SHA1 SHA512 SSDEEP

            PPINTL.DLL.trx_dll

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\PPINTL.DLL.trx_dll
            • Size 52KB
            • SHA256 6215e1e98c7b4b001f44c49abedef57188001c560439c99fdb510534a985dd25
            • MD5 SHA1 SHA512 SSDEEP

            Ringtone 02.wma

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\Ringtone 02.wma
            • Size 135KB
            • SHA256 5c08ff7edc54d2d67df711912967f415f6019c8c0ebbf30f9de7f819e4b09050
            • MD5 SHA1 SHA512 SSDEEP

            Sync Center.lnk

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\Sync Center.lnk
            • Size 1KB
            • SHA256 c5d891eeb0657af86345d89776542fd1f9846fcc47ff17fdd9084e09bcf3c369
            • MD5 SHA1 SHA512

            Uyoiheuooe.tmp

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\Uyoiheuooe.tmp
            • Size 3.5MB
            • SHA256 331f83703cb2bb0d9aecefbd0745c8cd9ecaa636126c12a45c3831ae0690c0c2
            • MD5 SHA1 SHA512 SSDEEP

            Uyoiheuooe.tmp

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\Uyoiheuooe.tmp
            • Size 3.5MB
            • SHA256 331f83703cb2bb0d9aecefbd0745c8cd9ecaa636126c12a45c3831ae0690c0c2
            • MD5 SHA1 SHA512 SSDEEP

            folder.ico

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\folder.ico
            • Size 52KB
            • SHA256 bef53904908769ceeb60f8e0976c3194e73534f00f4afb65497c2091121b98b2
            • MD5 SHA1 SHA512 SSDEEP

            usertile30.bmp

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\usertile30.bmp
            • Size 48KB
            • SHA256 e69f8ed2ba8b1bf7bccd65052fb89719e1ff5178cf82b95fd302a3ae950811bb
            • MD5 SHA1 SHA512 SSDEEP

            usertile37.bmp

            • Path C:\ProgramData\{9C0BA6AF-75FB-72C6-BE9A-B167A4AE4026}\usertile37.bmp
            • Size 48KB
            • SHA256 c238df51bf8d9f5d8c36081a83f31c1338cde73d3347b9ba6c7f62892e367a44
            • MD5 SHA1 SHA512 SSDEEP

            Quspupodwqfhie.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\Quspupodwqfhie.tmp
            • Size 814KB
            • SHA256 226eac6b8ce415bf0900050818f8212129fc51d14dab026e7b8600aa89d65c8a
            • MD5 SHA1 SHA512 SSDEEP

            displaylanguagenames.en_us_posix.dll

            • Path \??\c:\program files (x86)\windows sidebar\de-de\displaylanguagenames.en_us_posix.dll
            • Size 814KB
            • SHA256 acbcc764274f8357222e3935c0bd7dbbbf0b3cb2fd23437a8a42186aaf4a37c2
            • MD5 SHA1 SHA512 SSDEEP

            DisplayLanguageNames.en_US_POSIX.dll

            • Path \Program Files (x86)\Windows Sidebar\de-DE\DisplayLanguageNames.en_US_POSIX.dll
            • Size 814KB
            • SHA256 acbcc764274f8357222e3935c0bd7dbbbf0b3cb2fd23437a8a42186aaf4a37c2
            • MD5 SHA1 SHA512 SSDEEP

            DisplayLanguageNames.en_US_POSIX.dll

            • Path \Program Files (x86)\Windows Sidebar\de-DE\DisplayLanguageNames.en_US_POSIX.dll
            • Size 814KB
            • SHA256 acbcc764274f8357222e3935c0bd7dbbbf0b3cb2fd23437a8a42186aaf4a37c2
            • MD5 SHA1 SHA512 SSDEEP

            DisplayLanguageNames.en_US_POSIX.dll

            • Path \Program Files (x86)\Windows Sidebar\de-DE\DisplayLanguageNames.en_US_POSIX.dll
            • Size 814KB
            • SHA256 acbcc764274f8357222e3935c0bd7dbbbf0b3cb2fd23437a8a42186aaf4a37c2
            • MD5 SHA1 SHA512 SSDEEP

            DisplayLanguageNames.en_US_POSIX.dll

            • Path \Program Files (x86)\Windows Sidebar\de-DE\DisplayLanguageNames.en_US_POSIX.dll
            • Size 814KB
            • SHA256 acbcc764274f8357222e3935c0bd7dbbbf0b3cb2fd23437a8a42186aaf4a37c2
            • MD5 SHA1 SHA512 SSDEEP

            DisplayLanguageNames.en_US_POSIX.dll

            • Path \Program Files (x86)\Windows Sidebar\de-DE\DisplayLanguageNames.en_US_POSIX.dll
            • Size 814KB
            • SHA256 acbcc764274f8357222e3935c0bd7dbbbf0b3cb2fd23437a8a42186aaf4a37c2
            • MD5 SHA1 SHA512 SSDEEP

            firefox.exe

            • Path \Program Files\Mozilla Firefox\firefox.exe
            • Size 562KB
            • SHA256 8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606
            • MD5 SHA1 SHA512 SSDEEP

            firefox.exe

            • Path \Program Files\Mozilla Firefox\firefox.exe
            • Size 562KB
            • SHA256 8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606
            • MD5 SHA1 SHA512 SSDEEP

            firefox.exe

            • Path \Program Files\Mozilla Firefox\firefox.exe
            • Size 562KB
            • SHA256 8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606
            • MD5 SHA1 SHA512 SSDEEP

            firefox.exe

            • Path \Program Files\Mozilla Firefox\firefox.exe
            • Size 562KB
            • SHA256 8bcfd8420d721cc0ca50c1bef653e63e013ce201dfcca5927228eb25c9abf606
            • MD5 SHA1 SHA512 SSDEEP

            Quspupodwqfhie.tmp

            • Path \Users\Admin\AppData\Local\Temp\Quspupodwqfhie.tmp
            • Size 814KB
            • SHA256 226eac6b8ce415bf0900050818f8212129fc51d14dab026e7b8600aa89d65c8a
            • MD5 SHA1 SHA512 SSDEEP

            memory/284-87-0x0000000004110000-0x0000000004C67000-memory.dmp

            memory/284-102-0x0000000004110000-0x0000000004C67000-memory.dmp

            memory/284-112-0x0000000004110000-0x0000000004C67000-memory.dmp

            memory/284-85-0x0000000004110000-0x0000000004C67000-memory.dmp

            memory/1404-76-0x0000000002200000-0x0000000002340000-memory.dmp

            memory/1404-69-0x00000000001C0000-0x000000000045D000-memory.dmp

            memory/1404-75-0x0000000002200000-0x0000000002340000-memory.dmp

            memory/1404-77-0x000007FEFBD71000-0x000007FEFBD73000-memory.dmp

            memory/1404-78-0x00000000001C0000-0x000000000045D000-memory.dmp

            memory/1404-79-0x0000000001ED0000-0x000000000217E000-memory.dmp

            memory/1476-55-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

            memory/1476-54-0x0000000000540000-0x000000000062C000-memory.dmp

            memory/1476-59-0x0000000000400000-0x000000000053F000-memory.dmp

            memory/1476-57-0x0000000000540000-0x000000000062C000-memory.dmp

            memory/1476-58-0x0000000001EF0000-0x000000000201F000-memory.dmp

            memory/1504-105-0x0000000004070000-0x0000000004BC7000-memory.dmp

            memory/1504-106-0x0000000004070000-0x0000000004BC7000-memory.dmp

            memory/1504-103-0x0000000004070000-0x0000000004BC7000-memory.dmp

            memory/1952-65-0x00000000044F0000-0x0000000005047000-memory.dmp

            memory/1952-63-0x00000000044F0000-0x0000000005047000-memory.dmp

            memory/1952-71-0x0000000005050000-0x0000000005190000-memory.dmp

            memory/1952-66-0x0000000005050000-0x0000000005190000-memory.dmp

            memory/1952-67-0x0000000005050000-0x0000000005190000-memory.dmp

            memory/1952-68-0x0000000005050000-0x0000000005190000-memory.dmp

            memory/1952-80-0x00000000044F0000-0x0000000005047000-memory.dmp

            memory/1952-73-0x0000000005050000-0x0000000005190000-memory.dmp

            memory/1952-72-0x0000000005050000-0x0000000005190000-memory.dmp