Resubmissions

13-08-2024 12:55

240813-p5s37svarb 9

03-08-2024 05:56

240803-gng1lsvfnn 9

29-07-2024 17:59

240729-wkpzdawhlc 9

29-07-2024 13:14

240729-qg3heazdpj 9

Analysis

  • max time kernel
    147s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2024 13:14

General

  • Target

    eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc.exe

  • Size

    162KB

  • MD5

    7e851829ee37bc0cf65a268d1d1baa7a

  • SHA1

    672553c79db2a3859a8ea216804d4ff8d2ded538

  • SHA256

    eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc

  • SHA512

    856c6d27669b3123064d85adbc119414f5418f80bbbc9f85f4575df97cf34d1f4ab96fab5442a337ac6a90c076ba5af835f5286cb403acfb3a1e4fc5d0834ebd

  • SSDEEP

    3072:rjvNTtA6pzarOLgSua/iw6kzg3qe1PTjrnFFMVUT6tSTC6D1vtPR1DO66ddJpW3h:r72qe1PTjrnf/KMR1j6df01fiuAP3xFm

Malware Config

Signatures

  • Renames multiple (315) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3176
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:5848
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5412
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{E216944B-A578-4DFD-B7A5-853071AC13E8}.xps" 133667325919910000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Adobe\README.txt

      Filesize

      423B

      MD5

      7ff94943cdf15452a094e7a8587755b6

      SHA1

      663d82d423fd075b4c87e6428e9c2556c474b88e

      SHA256

      6497c4ac3c3c1dc3fa0405571007a21ae4cecb7cc7cc170c4ad17f683a6118a5

      SHA512

      da91f22c6c9fd4f25a5bc6be74c2dbf1b4d886af97d6dba49de12bef6f9d511b7cd834bae1851a5b4057b665353b2d6b802c5c45076ca5af94827db2ef2028ef

    • C:\Users\Admin\AppData\Local\Temp\{93FB526C-95A4-4A34-8680-A227115895E4}

      Filesize

      4KB

      MD5

      f7649c5fa0a257ae2834e9cdb7299350

      SHA1

      ae088f8eeebcafabf17e9611d123850ab134bb65

      SHA256

      433326e194c1006f712c7baaf046c3ad72fd87fcc6a7428c2a629d573153a7b5

      SHA512

      c9953ad87ff917552637d9ef900c32c1147a1b3986e4185a05225a23fd6748c009d3882db2cf82366de055630824f7df4f6d195dce7695bd43511015dd92e978

    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2

      Filesize

      4KB

      MD5

      51e53b975eb2b97a41e6d529a3119b8b

      SHA1

      841055d072127126a51cb7a15bd47048d5741b13

      SHA256

      4e98fb718be9a2e1974b9f296227a2ba05a97d2bd12f0e5d2c94d8646059fc39

      SHA512

      f959540b54acb5b56810e01650796e5ef3b45b73f45088b4bd7c22af9df220245796824a794a5f184b123ec51872abe87ece45927c9c6a97387ac35ce89bdf08

    • memory/4976-1214-0x00007FFF81B90000-0x00007FFF81BA0000-memory.dmp

      Filesize

      64KB

    • memory/4976-1213-0x00007FFF81B90000-0x00007FFF81BA0000-memory.dmp

      Filesize

      64KB

    • memory/4976-1212-0x00007FFF81B90000-0x00007FFF81BA0000-memory.dmp

      Filesize

      64KB

    • memory/4976-1215-0x00007FFF81B90000-0x00007FFF81BA0000-memory.dmp

      Filesize

      64KB

    • memory/4976-1216-0x00007FFF81B90000-0x00007FFF81BA0000-memory.dmp

      Filesize

      64KB

    • memory/4976-1217-0x00007FFF7F470000-0x00007FFF7F480000-memory.dmp

      Filesize

      64KB

    • memory/4976-1218-0x00007FFF7F470000-0x00007FFF7F480000-memory.dmp

      Filesize

      64KB