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Overview

overview

8

Static

static

690fcd482d...5b.exe

windows7-x64

8

690fcd482d...5b.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 02:42

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General

  • Target

    690fcd482d0528c3ec18ce0fe59d34676b2d85e642597a4041162901458ccf5b.exe

  • Size

    176KB

  • MD5

    6edc7217832ad45bef0bc7a00c8dc880

  • SHA1

    f1196d0fed56b236d70d8dcdb4c033be1f08424c

  • SHA256

    690fcd482d0528c3ec18ce0fe59d34676b2d85e642597a4041162901458ccf5b

  • SHA512

    6426734861d1b498428141c5aa233dece3a3c5815f835868e57b6289d238ed0138666fd95587d1edfd88f0a6a338b7c04822224b45ca07d636b57f408efcdb9e

  • SSDEEP

    3072:sogIIJPyeiKKop5TosVv/jKufybA2d26csLGVoQF9Wu:sogu8VNosZ/jud2lWu

Score
8/10
persistence

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
    stealer
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\690fcd482d0528c3ec18ce0fe59d34676b2d85e642597a4041162901458ccf5b.exe
    "C:\Users\Admin\AppData\Local\Temp\690fcd482d0528c3ec18ce0fe59d34676b2d85e642597a4041162901458ccf5b.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4712
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\yyyy.bat
      2⤵
        PID:4116
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4820
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1676

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      176KB

      MD5

      41a2070e83d5fba87cc0c4d74aef8c24

      SHA1

      5a555c50d82d647e66cfb286805f36a743b99a13

      SHA256

      b32c113a15218f30afb137a2275bfd5b1c7c8ac27f10b1c2c500c1f9f82db802

      SHA512

      7786460ba56242465f4fec09526eb45eed956e1ae59a53e8662147fc3249ac6bc66b7eb48b9149ab30c85fcbfe0527d233d29d8f10df7e977b5a1cb065d229db

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\yyyy.bat
      Filesize

      337B

      MD5

      2c0a97a0d14e3c6f98b51269edb100f3

      SHA1

      eac66665206208bf94c95678c5f553b061099f30

      SHA256

      98d8ad688a0f4e3e96b8e99779fe48792a5685b7a1a22734964f416ce5767dd4

      SHA512

      ad0ee648b55c2f636fb93b231623347a30a18a08a731f2270a264486d6807e287421d6e4350741c78e899de8476863fe4998d2068e6d4b4df04fd7955bbff6aa

      Download Submit

    • memory/4820-155-0x0000017980023000-0x0000017980026000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4820-160-0x0000017980049000-0x000001798004D000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-145-0x00000181F3340000-0x00000181F3360000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4820-148-0x00000181F3580000-0x00000181F35A0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4820-151-0x00000181F32A0000-0x00000181F32A8000-memory.dmp

      Filesize

      32KB

      Download

    • memory/4820-153-0x0000017980023000-0x0000017980026000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4820-152-0x0000017980023000-0x0000017980026000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4820-154-0x0000017980023000-0x0000017980026000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4820-143-0x00000181F28D0000-0x00000181F28F0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4820-157-0x00000181F6A10000-0x00000181F6A18000-memory.dmp

      Filesize

      32KB

      Download

    • memory/4820-159-0x0000017980049000-0x000001798004D000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-144-0x00000181F1C30000-0x00000181F1D30000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4820-161-0x0000017980049000-0x000001798004D000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-162-0x0000017980049000-0x000001798004D000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-163-0x0000017980049000-0x000001798004D000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-167-0x000001798004F000-0x0000017980053000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-168-0x000001798004F000-0x0000017980053000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-166-0x000001798004F000-0x0000017980053000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-169-0x000001798004F000-0x0000017980053000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4820-172-0x0000017980053000-0x0000017980056000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4820-173-0x0000017980053000-0x0000017980056000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4820-174-0x0000017980053000-0x0000017980056000-memory.dmp

      Filesize

      12KB

      Download