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Overview

overview

10

Static

static

10

2024-04-26...de.exe

windows7-x64

9

2024-04-26...de.exe

windows10-2004-x64

9

Resubmissions

29/04/2024, 16:10

240429-tmdysaeg49 10

26/04/2024, 11:49

240426-ny1zssfh37 10

Analysis

  • max time kernel
    16s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 16:10

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General

  • Target

    2024-04-26_6fd558cf3add096970e15d1e62ca1957_darkside.exe

  • Size

    194KB

  • MD5

    6fd558cf3add096970e15d1e62ca1957

  • SHA1

    78e95fabcfe8ef7bb6419f8456deccc3d5fa4c23

  • SHA256

    41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898

  • SHA512

    fac7efe9b76f9b6a917f8751f5be64ad8e067e5404fe05f3e9d7781ea3661a06c0baaac676a6023eb4a0b7f01bc2bb2d64d572f85aec8ad8de35cc7f106e1fdc

  • SSDEEP

    3072:n6glyuxE4GsUPnliByocWepMhJL4BFkTGX:n6gDBGpvEByocWeyhJL4UK

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (344) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-26_6fd558cf3add096970e15d1e62ca1957_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-26_6fd558cf3add096970e15d1e62ca1957_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\ProgramData\341B.tmp
      "C:\ProgramData\341B.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\341B.tmp >> NUL
        3⤵
          PID:1528
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\AAtvmKv4L.README.txt
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:3028

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini
      Filesize

      129B

      MD5

      14f43eb690abfddd6ce5bcded0957a34

      SHA1

      5e1e2977bd2924db52e6831c617ec88de4babe02

      SHA256

      04a39fab0a2abdad182801cace0bfa531583d62a77fb6def9f71e68a4f58e263

      SHA512

      dc492fbd4d61d5ea49f179d123866d20aaa58d4900c52552d83791ffd02cfb8945c9bc70f2145789903d78fb4927204e321b504e5a0178d7dbad58c2653e61a0

      Download Submit

    • C:\AAtvmKv4L.README.txt
      Filesize

      434B

      MD5

      b4709a56b9d7f431da172316cda720be

      SHA1

      d2132f7129a7003ec4c0392f0f08cd24ea353da6

      SHA256

      192d1e6078570865531e8a4c9840a483c4a2ac35fe468107284991f6da813191

      SHA512

      e390d51e95db5e56c666a2895dc87dab41d97e7ce3c0df1f2466abf14a651167232521ab5f52746d16bab0ef14e6c0ee9dcfe29894604d695b0d064909378227

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
      Filesize

      194KB

      MD5

      cc9decf08d045237405acd8269d9d6d7

      SHA1

      2420d696c6e190da58100dd859ad42bc9c74a360

      SHA256

      b89d19ef93f36f9f86cd6185b44abe64d4368314dc9e026f53355a85a38eefe2

      SHA512

      9ba5a8ba8620524eb497cffe04dd82ae8490cf878c065bf126db8360a9417afe3a79952d538f618e67eafd2b1320d5984d3ecc96789a38d81c952887b0699ba1

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      facbd7c9ceaed786d9b11dd30a949abb

      SHA1

      52fb563eff5b7364bd3d9bb6ad09b3f2dfb5dfe2

      SHA256

      05af90a5e17bd2df67342f6b5af56c26078d7d1ef6666d5702367cdaa21ec88d

      SHA512

      58ddb749521c28af79555ce729379400a4652dcfc727eb8ed2b9868755946738e77cf082a73eb7dfddf4bff49994876bbe63fc093477cdfdf63d11f78fdf5d62

      Download Submit

    • \ProgramData\341B.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1280-0-0x00000000023F0000-0x0000000002430000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2136-866-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2136-865-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2136-864-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2136-862-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2136-863-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2136-895-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2136-896-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download