Analysis

  • max time kernel
    76s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2023, 02:41

General

  • Target

    2023-05-31_33228a20a7e985f02e2ddd73cccde729_darkside.exe

  • Size

    146KB

  • MD5

    33228a20a7e985f02e2ddd73cccde729

  • SHA1

    58ab960e629a609d135e1988c72f2991e5f76e30

  • SHA256

    0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194

  • SHA512

    075002dd1b0f8e536c1ff99d30368f5adfc90a2f3e7a74c9770119e7b54a5851236657b7edcb735d457e78a7e67b7c285b6ceaa6ca2907542ac208dfc8c9aabe

  • SSDEEP

    3072:36glyuxE4GsUPnliByocWepqFPUBwrqveV84:36gDBGpvEByocWe8MB4G

Malware Config

Signatures

  • Renames multiple (328) files with added filename extension

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

  • Modifies extensions of user files 11 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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) 1 IoCs
  • 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).

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 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\2023-05-31_33228a20a7e985f02e2ddd73cccde729_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-05-31_33228a20a7e985f02e2ddd73cccde729_darkside.exe"
    1⤵
    • Modifies extensions of user files
    • 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:704
    • C:\ProgramData\A287.tmp
      "C:\ProgramData\A287.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A287.tmp >> NUL
        3⤵
          PID:320
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x154
      1⤵
        PID:580

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\AAAAAAAAAAA

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\AAAAAAAAAAA

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\BBBBBBBBBBB

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\CCCCCCCCCCC

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\DDDDDDDDDDD

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\EEEEEEEEEEE

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\FFFFFFFFFFF

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\GGGGGGGGGGG

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\HHHHHHHHHHH

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\IIIIIIIIIII

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\JJJJJJJJJJJ

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\KKKKKKKKKKK

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\LLLLLLLLLLL

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\MMMMMMMMMMM

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\NNNNNNNNNNN

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\OOOOOOOOOOO

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\PPPPPPPPPPP

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\QQQQQQQQQQQ

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\RRRRRRRRRRR

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\SSSSSSSSSSS

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\TTTTTTTTTTT

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\UUUUUUUUUUU

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\VVVVVVVVVVV

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\WWWWWWWWWWW

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\XXXXXXXXXXX

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\YYYYYYYYYYY

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\$Recycle.Bin\S-1-5-21-1563773381-2037468142-1146002597-1000\desktop.ini

        Filesize

        129B

        MD5

        d34f5c2752f889b6ad024854566633f5

        SHA1

        895c28148670215cb4f60b855654f85e9b0da96e

        SHA256

        ebe8608ae76fbe053572ce7691edf88689e9fb018c6ae94bd8b7849e85625b14

        SHA512

        ecd63a6ddeee0654956430a0466cd5c38e24c114b4afb69455002cc7691da4ce373e42141b0b0b08b688236859975b622c16b3ee5b56c196f6267575baac2046

      • C:\AFfGduKAp.README.txt

        Filesize

        388B

        MD5

        84f442c3fea4e5095485eb0cadda97f7

        SHA1

        bdf015c573a6777ae5adc7cdce4fcd018b6c7c9a

        SHA256

        59828ed980de3b5c492052b22577056a0d752bc691b4f87aced215995afa11d1

        SHA512

        cc3c876bb8db3639f18c1b771efc213d9712cb1f46f65cc13a016b2303976fa8600efad2e3435e560f5e7f12d4a28c1a092daec71f28cb1a8704ea02a08bf40b

      • C:\ProgramData\A287.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      • C:\ProgramData\A287.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

        Filesize

        146KB

        MD5

        d147d5ddd38fc86c7dbf52626e2b786d

        SHA1

        187c20ae29657d2f955fd535abaa8fae8cfd21ba

        SHA256

        cc5feb92927f1697c7ee294c48659045a36df47a725165a1e0fd4ecb84125b90

        SHA512

        ef5b4213bb86a6fa996023430d4754d1a9b887a40e40b300f588cda4eff883d911e90ca8453644d16d89129682a1e03ecd6359af29131d957ddcee66b5c92117

      • \ProgramData\A287.tmp

        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      • memory/704-102-0x0000000000F40000-0x0000000000F80000-memory.dmp

        Filesize

        256KB

      • memory/704-107-0x0000000000F40000-0x0000000000F80000-memory.dmp

        Filesize

        256KB

      • memory/1672-903-0x0000000002215000-0x0000000002233000-memory.dmp

        Filesize

        120KB