Overview

overview

10

Static

static

10

20240917a5...de.exe

windows7-x64

9

20240917a5...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    146s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 07:00

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General

  • Target

    20240917a5052518e8735f52112f0eec7f0416f9darkside.exe

  • Size

    146KB

  • MD5

    a5052518e8735f52112f0eec7f0416f9

  • SHA1

    5442e7cbd8d82d70937c1bd599472e7f202224d0

  • SHA256

    fa0259d8b6d87ae11532b7c3e26ef3ace9df21ae3919e97c73de88c6b75d2fb1

  • SHA512

    254fa270339145cba103b0cae10813548b54e0127f88c709dbbc83fc43a0dc828ef3d07ab19c917469e76a45a0903a858bbdc900412f11072f2d80677de2017d

  • SSDEEP

    3072:h6glyuxE4GsUPnliByocWepGEIqC6f7VaIAhzSCn8X:h6gDBGpvEByocWemFBV8

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (612) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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
  • Indicator Removal: File Deletion 1 TTPs

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

    defense_evasion
  • Drops file in System32 directory 4 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).

  • 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
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240917a5052518e8735f52112f0eec7f0416f9darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\20240917a5052518e8735f52112f0eec7f0416f9darkside.exe"
    1⤵
    • 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:2204
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1912
    • C:\ProgramData\BA96.tmp
      "C:\ProgramData\BA96.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:468
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BA96.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4456
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4364
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{60902AFF-BBB8-4328-A1E8-03730494E1D8}.xps" 133711164170890000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      afef608faa63b98a383e608a183e23b3

      SHA1

      d356fbaf30d52178665a510a4cf7278780eaf474

      SHA256

      f8bc8f1b807997900efe4871fc73e949a663fb290fda020334a410549bb15770

      SHA512

      8333a08d3114302ad0b3eda14df08ed522321048f5a087b0762c893f80d3c2c0fc2e25f25e3e6b5677e4395741b5c19fdce91d529931cc1e27c1c970ffcaad3a

      Download Submit

    • C:\ProgramData\BA96.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      11db7f155ebb4f7ce73d7bf7c2a10e40

      SHA1

      47854489bc564bdae7a109a74f70fbe7ebe95de0

      SHA256

      e719c579d3e6e5e766d34806f44a38e4082058c63e38e7ec8771f130a9f68088

      SHA512

      1b4eafbd81527f5b402f7e27860d43ac55038ed4f80724d0067d66dc7a8cf0dabc7a07c1070862891555c917426db02a580446b55a5db1ea6667cc77393a0f35

      Download Submit

    • C:\iMWl3xQaf.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      425b674b9fdb2dc98412dbfd366d5611

      SHA1

      a2065ef3afc6dfa000803fd9a1bbe22710efe732

      SHA256

      c3660c910b2e6e519c349ed94eb4e366cbf779ff318197ce236d0da368bc093d

      SHA512

      3d2caa6ec14b94484bab67ba8314cf1fc85af7d1a7241c3b7a3736593d7dd66d4c7717c7dc65f9efe320bd2abe997f18449c101638b70df9369f606928eff6e9

      Download Submit

    • memory/2204-2796-0x0000000002C80000-0x0000000002C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2204-2794-0x0000000002C80000-0x0000000002C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2204-2795-0x0000000002C80000-0x0000000002C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2204-2-0x0000000002C80000-0x0000000002C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2204-0-0x0000000002C80000-0x0000000002C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2204-1-0x0000000002C80000-0x0000000002C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2808-0x00007FF870570000-0x00007FF870580000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2809-0x00007FF870570000-0x00007FF870580000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2811-0x00007FF870570000-0x00007FF870580000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2810-0x00007FF870570000-0x00007FF870580000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2812-0x00007FF870570000-0x00007FF870580000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2845-0x00007FF86E350000-0x00007FF86E360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3528-2846-0x00007FF86E350000-0x00007FF86E360000-memory.dmp

      Filesize

      64KB

      Download