Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 16:45

General

  • Target

    2024-09-16_3d9e193bd55d695d75784ed5522b4796_darkside.exe

  • Size

    146KB

  • MD5

    3d9e193bd55d695d75784ed5522b4796

  • SHA1

    a827c80f9d06f0c42c1e6ed1a8c5190b6fb75c27

  • SHA256

    22648105847b9b73b9b9803f0d1e2c1cfbfa4a3dd377ebbfb1e4955b71d4353d

  • SHA512

    40fea7887366c2d45b446c02a604d93427cb32de300f8cd3bce4b10eab91ac90254bfabe3eb61b526ce9ca3632c3c0b695e2056b4d1cc889a92a9e0209b9dfb1

  • SSDEEP

    3072:06glyuxE4GsUPnliByocWepWwPReYhRcb0gU5ug1Y:06gDBGpvEByocWe8wP9h20t5uw

Malware Config

Signatures

  • Renames multiple (335) files with added filename extension

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

  • 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.

  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • 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\2024-09-16_3d9e193bd55d695d75784ed5522b4796_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_3d9e193bd55d695d75784ed5522b4796_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\ProgramData\6C2B.tmp
      "C:\ProgramData\6C2B.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:544
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\6C2B.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1352
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:2892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini

      Filesize

      129B

      MD5

      c61abe03cf8dadf69e63f6dac29b03c9

      SHA1

      ce134a49a31e5e742345bce9e90f2db2e5f5f582

      SHA256

      d810f8b2473757acc24d95ad1b2e5857a4655b06ca331a8f7b34be69a90a9917

      SHA512

      dbeeecf5feb5d74d29accc1fff73fd2e6002a943dbcbf53aedc600fff8e4d775c1e734d2d02aa56e096b3ec2fe45a2065360607fe18cdd606dd995f12986af66

    • C:\3i0FdBV9l.README.txt

      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

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

      Filesize

      146KB

      MD5

      5dc5807f53de122af786a9f41c81d0bc

      SHA1

      e20288d984786d5cd82d310d5f8fa31de31c4b02

      SHA256

      7660139ec8a87dcefe716f410d322a1bf0d0b471e8b7900459b106793ccd068c

      SHA512

      d661cec6c3aa51f16fee3ed92ef932fce8943d60e7e463454bc68ef40409ead7e618aa002fd4dd40a2f2ed887d662e654551d4cbea54193e2b8439ff4cb51bf7

    • F:\$RECYCLE.BIN\S-1-5-21-3290804112-2823094203-3137964600-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      446ecee120d2cd88322f0992fbb69c09

      SHA1

      713cd14c764a99096ae31ed6f7687cf086cf9b2a

      SHA256

      a873d7c372ed0b571d43bd5d8b0c79d49a40668dac05841714debf439c668afc

      SHA512

      256a91bb656e9f2a60c8073c5faf6627fd6543cede8d9d8514ad6eedaf1519dfa7ec6a55bc4bc8b58daaf5f5512ade4f0f06fff18caa7f4c68b8158bf864665e

    • \ProgramData\6C2B.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • memory/544-873-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

    • memory/544-872-0x00000000020B0000-0x00000000020F0000-memory.dmp

      Filesize

      256KB

    • memory/544-871-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

    • memory/544-870-0x00000000020B0000-0x00000000020F0000-memory.dmp

      Filesize

      256KB

    • memory/544-868-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/544-903-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

    • memory/544-902-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

    • memory/2440-0-0x0000000000B10000-0x0000000000B50000-memory.dmp

      Filesize

      256KB