Analysis

  • max time kernel
    136s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2022 20:53

General

  • Target

    ?????? ???????? ??? ??????????? ??????.jse

  • Size

    6KB

  • MD5

    7f444d2090858fcad35635ee6685312f

  • SHA1

    a9c5f6daa1eac9219f04f8f0cca8f32722a70f89

  • SHA256

    ab366fefa8d58d3a255320e56fa1be56dbc3e22fbbe583fe213f6df1da113b3c

  • SHA512

    752e15f9ca3b4ad090b4e97b6bbf62576f59679bccc98fa7feff04f5d179a4b17bee4e1916778edd2ac7640ef4f2c91c7a442cd031825fb16cfb1080fc8032fc

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Deletes itself 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\______ ________ ___ ___________ ______.jse"
    1⤵
    • Blocklisted process makes network request
    • Deletes itself
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\radA9B74.tmp
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Users\Admin\AppData\Local\Temp\radA9B74.tmp
        C:\Users\Admin\AppData\Local\Temp\radA9B74.tmp
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of UnmapMainImage
        PID:680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\radA9B74.tmp

    Filesize

    1.3MB

    MD5

    e2b8c884e9a91430ca6666f06aedf42e

    SHA1

    805a1193f029840c1a2fc057942b72e5fb93dffd

    SHA256

    5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83

    SHA512

    49922bd870dfb1296bc689e5abc8235f82d565db3a06544d6fc6974bf6611dfc73873018c4ebfb878d45633fb08565079b02a36e849e47809addb1bd2118aaad

  • C:\Users\Admin\AppData\Local\Temp\radA9B74.tmp

    Filesize

    1.3MB

    MD5

    e2b8c884e9a91430ca6666f06aedf42e

    SHA1

    805a1193f029840c1a2fc057942b72e5fb93dffd

    SHA256

    5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83

    SHA512

    49922bd870dfb1296bc689e5abc8235f82d565db3a06544d6fc6974bf6611dfc73873018c4ebfb878d45633fb08565079b02a36e849e47809addb1bd2118aaad

  • memory/680-59-0x0000000075C41000-0x0000000075C43000-memory.dmp

    Filesize

    8KB

  • memory/680-60-0x0000000000680000-0x0000000000755000-memory.dmp

    Filesize

    852KB

  • memory/680-61-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/680-62-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/680-63-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2000-54-0x000007FEFC071000-0x000007FEFC073000-memory.dmp

    Filesize

    8KB