Overview

overview

10

Static

static

10

2025-01-13...de.exe

windows7-x64

9

2025-01-13...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 03:22

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General

  • Target

    2025-01-13_23c5224d2d9dfdb43e238b2a807c9ed3_darkside.exe

  • Size

    146KB

  • MD5

    23c5224d2d9dfdb43e238b2a807c9ed3

  • SHA1

    cfb8440584ecb0bb5a4615078cc5341013e65d15

  • SHA256

    d93858aef7e77a3e740e328a2c50b645ee5cd9e8424d56fe41a622816adb4fac

  • SHA512

    669424b6ccef8235eb71351ded0aadc6f8f741a37ada95922ee0e3e79e7ee954b3aeca52be79e09d7ebf13dfc46429d5a79b57244e5886d005b7f655c3b89efd

  • SSDEEP

    3072:F6glyuxE4GsUPnliByocWepZxudgcjaJkokkFUc:F6gDBGpvEByocWeJ2c

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (191) 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
  • 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.

    defense_evasion
  • 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).

  • 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.

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • 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\2025-01-13_23c5224d2d9dfdb43e238b2a807c9ed3_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_23c5224d2d9dfdb43e238b2a807c9ed3_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:2200
    • C:\ProgramData\BBD0.tmp
      "C:\ProgramData\BBD0.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:3016
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BBD0.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1676
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1940

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4177215427-74451935-3209572229-1000\BBBBBBBBBBB
      Filesize

      129B

      MD5

      1c7700b8dffbb5052470fca217e376b4

      SHA1

      d4fc2d8c3d36b82f110a6a4f5f0f3bc47d2597e9

      SHA256

      1fd513cf423568ea59a77537f3f73fd2ee778600cb07d650d9bfcc1b10eee75f

      SHA512

      91a50dfd363262189ed12e7e13913db9826bfdbb3517b3652b949da39c475cecca5d2baea0383e6fe988f411b583706e64eb4b8cc89cfbc668a726e41f73f76b

      Download Submit

    • C:\ULENlzuxh.README.txt
      Filesize

      463B

      MD5

      6f7db6bb7b29b288b16771cd09f495e6

      SHA1

      ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58

      SHA256

      95d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518

      SHA512

      8ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9

      Download Submit

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

      146KB

      MD5

      dfdd412ea73e2edd4ff0e8dff8056763

      SHA1

      248628e9be1f716c588c314bae9bf6b6d923c913

      SHA256

      6e907842648f374f72ef8f402b57f2c37d18b29709c7cffc641896afeef5bb86

      SHA512

      df8be2b25ae5cf3e166bc67746faef05028649a4584de99825ec7cc99df6f2441a88a399a1ebb575be2b1cdc3e1f94c75aefdc49cbf8668d9c3123c19d23ce8f

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\PPPPPPPPPPP
      Filesize

      129B

      MD5

      f9efbf8e2063eaedfad769e61edc030d

      SHA1

      daa894b13f4bf4c6ef4bf80d321a587b04cb523e

      SHA256

      bce31247accb94c02ed7c18aaec1a974f22425753d7131ba308354a86ce2fb12

      SHA512

      a5db2c4776102cf9957fb11b0306b5eba5fd03ff6fe87be63c1674c092377b54919112b74d7e5989646cea8b680d90741665ebf7fa207f7f25a99ac5395378d3

      Download Submit

    • \ProgramData\BBD0.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2200-0-0x0000000000CF0000-0x0000000000D30000-memory.dmp

      Filesize

      256KB

      Download

    • memory/3016-350-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/3016-353-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3016-352-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3016-354-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download