Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    151s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 18:48

General

  • Target

    508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5.exe

  • Size

    636KB

  • MD5

    84ed8423ff9a32cb9b9ba39240b909b2

  • SHA1

    28fae283a338f1f83408770df2d507a368ffa37e

  • SHA256

    508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

  • SHA512

    4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

  • SSDEEP

    12288:TpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/zR:1wAcu99lPzvxP+Bsz2XjWTRMQckkIXnd

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 4 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.

  • Checks processor information in registry 2 TTPs 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5.exe
    "C:\Users\Admin\AppData\Local\Temp\508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
        PID:1984
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        2⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windupdt\winupdate.exe

      Filesize

      636KB

      MD5

      84ed8423ff9a32cb9b9ba39240b909b2

      SHA1

      28fae283a338f1f83408770df2d507a368ffa37e

      SHA256

      508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

      SHA512

      4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

    • C:\Windupdt\winupdate.exe

      Filesize

      636KB

      MD5

      84ed8423ff9a32cb9b9ba39240b909b2

      SHA1

      28fae283a338f1f83408770df2d507a368ffa37e

      SHA256

      508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

      SHA512

      4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

    • \Windupdt\winupdate.exe

      Filesize

      636KB

      MD5

      84ed8423ff9a32cb9b9ba39240b909b2

      SHA1

      28fae283a338f1f83408770df2d507a368ffa37e

      SHA256

      508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

      SHA512

      4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

    • \Windupdt\winupdate.exe

      Filesize

      636KB

      MD5

      84ed8423ff9a32cb9b9ba39240b909b2

      SHA1

      28fae283a338f1f83408770df2d507a368ffa37e

      SHA256

      508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

      SHA512

      4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

    • \Windupdt\winupdate.exe

      Filesize

      636KB

      MD5

      84ed8423ff9a32cb9b9ba39240b909b2

      SHA1

      28fae283a338f1f83408770df2d507a368ffa37e

      SHA256

      508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

      SHA512

      4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

    • \Windupdt\winupdate.exe

      Filesize

      636KB

      MD5

      84ed8423ff9a32cb9b9ba39240b909b2

      SHA1

      28fae283a338f1f83408770df2d507a368ffa37e

      SHA256

      508f5f9478866d04c03bdaf4a6038816bf0c250a23df64bdbaa5d27da9fed2b5

      SHA512

      4a5500ac57d903e65236f7ee447edda7226b10a27ce39dbc3838e928d8beab6ee12a30e46dbfacc52d75e1221c13df7dbce2d5ecd4eea6c92095bb190af9b02b

    • memory/784-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

      Filesize

      8KB