Resubmissions

16/03/2025, 00:42

250316-a2mdxs1jv4 1

16/03/2025, 00:35

250316-axnq7azrv5 10

16/03/2025, 00:32

250316-avvfyszrs2 6

Analysis

  • max time kernel
    104s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/03/2025, 00:35

General

  • Target

    NoMoreRansom.zip

  • Size

    916KB

  • MD5

    f315e49d46914e3989a160bbcfc5de85

  • SHA1

    99654bfeaad090d95deef3a2e9d5d021d2dc5f63

  • SHA256

    5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7

  • SHA512

    224747b15d0713afcb2641f8f3aa1687516d42e045d456b3ed096a42757a6c10c6626672366c9b632349cf6ffe41011724e6f4b684837de9b719d0f351dfd22e

  • SSDEEP

    24576:+FhIdZxByAl+XiqNk6n3DaeCTLD1yilc7KrBVw1lFVFDqE/zQRsAOfySS:AhAgo2ikhryLD1hcerklFVhqEMiAuySS

Malware Config

Signatures

  • Troldesh family
  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip
    1⤵
      PID:1968
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:2904
      • C:\Windows\system32\SearchIndexer.exe
        C:\Windows\system32\SearchIndexer.exe /Embedding
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\system32\SearchProtocolHost.exe
          "C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"
          2⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          PID:2788
        • C:\Windows\system32\SearchFilterHost.exe
          "C:\Windows\system32\SearchFilterHost.exe" 0 508 512 520 65536 516
          2⤵
          • Modifies data under HKEY_USERS
          PID:2940
      • C:\Users\Admin\Documents\NoMoreRansom\[email protected]
        "C:\Users\Admin\Documents\NoMoreRansom\[email protected]"
        1⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of UnmapMainImage
        PID:688

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Microsoft\Search\Data\Applications\Windows\MSS.log

        Filesize

        1024KB

        MD5

        b1d02dc588e9aaea41d4c81357143172

        SHA1

        49a0957f3a49b7448ff02039c8349004999b3bc5

        SHA256

        85fd061cdd3b77fefb5b63636686f64289237ca7e49563a3da3ed3a1c0a76357

        SHA512

        282a31fa61a5732e2113530d306300f14260db9346f9399dba764b3f9f8e70585a4f9670cc80cc8b956b96d2353b69abc23783bd524d6b1596403bf8cbfa2908

      • memory/688-86-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/688-87-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/688-88-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/688-90-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/2784-66-0x00000000032B0000-0x00000000032B8000-memory.dmp

        Filesize

        32KB

      • memory/2784-51-0x0000000001370000-0x0000000001371000-memory.dmp

        Filesize

        4KB

      • memory/2784-60-0x0000000001590000-0x0000000001598000-memory.dmp

        Filesize

        32KB

      • memory/2784-16-0x0000000001C80000-0x0000000001C90000-memory.dmp

        Filesize

        64KB

      • memory/2784-73-0x00000000038A0000-0x00000000038A8000-memory.dmp

        Filesize

        32KB

      • memory/2784-74-0x0000000003CB0000-0x0000000003CB8000-memory.dmp

        Filesize

        32KB

      • memory/2784-75-0x0000000003CA0000-0x0000000003CA1000-memory.dmp

        Filesize

        4KB

      • memory/2784-78-0x0000000003CC0000-0x0000000003CC1000-memory.dmp

        Filesize

        4KB

      • memory/2784-85-0x0000000003CC0000-0x0000000003CC8000-memory.dmp

        Filesize

        32KB

      • memory/2784-49-0x00000000013C0000-0x00000000013C8000-memory.dmp

        Filesize

        32KB

      • memory/2784-43-0x00000000013C0000-0x00000000013C1000-memory.dmp

        Filesize

        4KB

      • memory/2784-42-0x0000000001580000-0x0000000001588000-memory.dmp

        Filesize

        32KB

      • memory/2784-0-0x0000000001B80000-0x0000000001B90000-memory.dmp

        Filesize

        64KB