Overview

overview

8

Static

static

3

c81ace4430...ea.exe

windows7-x64

8

c81ace4430...ea.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    203s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 04:32

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General

  • Target

    c81ace443004982242ba49ad54dba99ab4c1db116e77a6f5baf420ef5870b6ea.exe

  • Size

    3.0MB

  • MD5

    290691b3987e7c7e5ff2d9de504ae204

  • SHA1

    19d68b590394eb1ad32deded3a5df807090f854d

  • SHA256

    c81ace443004982242ba49ad54dba99ab4c1db116e77a6f5baf420ef5870b6ea

  • SHA512

    915fa754b89edaf3e823d0dbc12f7971eefd954c902689fe330e6542c18de0de94133d4f083f75867d55649178b72c70c4772e68692ea1627114e5411a08584f

  • SSDEEP

    49152:H7TvfU+8X9GrNOsva5RbKhF3ANkTTlY/J+6CFbtZYx/FOmr:c+8X9G3vP3AMyU6CHWtFXr

Score
8/10
persistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies registry class 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\c81ace443004982242ba49ad54dba99ab4c1db116e77a6f5baf420ef5870b6ea.exe
    "C:\Users\Admin\AppData\Local\Temp\c81ace443004982242ba49ad54dba99ab4c1db116e77a6f5baf420ef5870b6ea.exe"
    1⤵
      PID:976
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • 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
      PID:2584
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies registry class
      PID:444
    • 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:1016
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • 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
      PID:4032
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:3208

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
      Filesize

      471B

      MD5

      56f8fa6aa59f3ee1aa24361d930a52d4

      SHA1

      2b43132dcfbedcd28adb4e03c2c90290f81816b8

      SHA256

      066a23f715a61c55ba3c4cae2e214a473fa4c3cf3a4bf963f323c62bba98e0d2

      SHA512

      46312236d22521e8e7d96ba38f411420a6e231d029a09bcfe57154fe670526ea36159572cca9c8fd2b43c7b2948e3a05b09f3fc98a5734079dfd7bc2db5ec15a

      Download Submit

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
      Filesize

      412B

      MD5

      f5f8ef047c398e4babb5b4300f542cf0

      SHA1

      5f3f27905b9718a5d27398fe87bda28b91b11be2

      SHA256

      7106ab2ee18b27880270af8f1b1a1972e814f75ebb7b72c4f0dd69db5e321404

      SHA512

      ee84cc102570788b7d1513ce83e03f05d72462623a1e566fbe4d016146070ede386293a5b08999bf9deea99fb59dff33876ce8068bfb1c4606aa86e99975c44d

      Download Submit

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133416565513226643.txt
      Filesize

      75KB

      MD5

      62d81c2e1e8b21733f95af2a596e4b18

      SHA1

      91c005ecc5ae4171f450c43c02d1ba532b4474c6

      SHA256

      a5596f83717bf64653b95ffe6ec38f20e40fd928456d5e254a53a440804d80b6

      SHA512

      c7f349acf55694ff696750c30a25c265ff07ced95e4d2a88fa2829d047ca3b3007dc824613a8c403c7613085aca4212155afe03f8f237c0d7781fd87e1fb8a7c

      Download Submit