Overview

overview

10

Static

static

10

0abb4a3028...in.exe

windows7_x64

9

0abb4a3028...in.exe

windows11_x64

9

0abb4a3028...in.exe

windows10_x64

9

Resubmissions

23-08-2021 09:03

210823-vqq93xpzhj 10

12-08-2021 21:11

210812-xvzjbhw2q2 10

08-08-2021 17:49

210808-rjh11mmpt6 10

Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    12-08-2021 21:11

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General

  • Target

    0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe

  • Size

    1.2MB

  • MD5

    cc3652c078fa2bdfbbfae33335c30bda

  • SHA1

    b3d3ad0c2c9d526717f55c431d51c2f1e957325b

  • SHA256

    0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad

  • SHA512

    d027e1df8c10516b81e47ef840f0e2baf971c0e0c4e77ff0fdc0122bbbb66ed210fd78336cb40d05c76d91838ae89ebb3304050dbf7fb7eeec73d47d1d26ec3d

Score
9/10
bootkitevasionpersistenceransomware

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes System State backups 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Drops file in Drivers directory 13 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 43 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 51 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 13 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies data under HKEY_USERS 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5104
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=401MB
      2⤵
      • Interacts with shadow copies
      PID:4140
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=unbounded
      2⤵
      • Interacts with shadow copies
      PID:4732
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:4916
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:888
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:1200
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:2088
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:4776
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:3092
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:3568
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:3980
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=401MB
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:4716
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=unbounded
      2⤵
      • Enumerates connected drives
      • Interacts with shadow copies
      PID:4040
    • C:\Windows\SYSTEM32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:3792
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe /set {default} recoveryenabled No
      2⤵
      • Modifies boot configuration data using bcdedit
      • Suspicious use of AdjustPrivilegeToken
      PID:1104
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1260
    • C:\Windows\SYSTEM32\wbadmin.exe
      wbadmin DELETE SYSTEMSTATEBACKUP
      2⤵
      • Deletes System State backups
      • Drops file in Windows directory
      PID:3060
    • C:\Windows\SYSTEM32\wbadmin.exe
      wbadmin DELETE SYSTEMSTATEBACKUP -deleteOldest
      2⤵
      • Deletes System State backups
      • Drops file in Windows directory
      PID:3224
    • C:\Windows\System32\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4584
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0ABB4A~1.EXE >> NUL
      2⤵
        PID:1100
    • C:\Windows\system32\wlrmdr.exe
      -c -s 0 -f 0 -t Empty -m Empty -a 0 -u Empty
      1⤵
        PID:3868
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k wsappx -p -s ClipSVC
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3248
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4720
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
        1⤵
        • Modifies data under HKEY_USERS
        PID:4620
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
        1⤵
          PID:992
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
          1⤵
          • Drops file in Windows directory
          • Modifies data under HKEY_USERS
          PID:2188
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s PcaSvc
          1⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:4748
          • C:\Windows\System32\pcaui.exe
            C:\Windows\System32\pcaui.exe -n 0 -a "" -v "" -g "" -x ""
            2⤵
              PID:1172
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
            1⤵
            • Enumerates connected drives
            • Writes to the Master Boot Record (MBR)
            PID:1372
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s wscsvc
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1676
            • C:\Program Files\Windows Defender\mpcmdrun.exe
              "C:\Program Files\Windows Defender\mpcmdrun.exe" -wdenable
              2⤵
                PID:1304

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/4620-164-0x00000230F5960000-0x00000230F5970000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4620-165-0x00000230F59E0000-0x00000230F59F0000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4620-166-0x00000230F5D90000-0x00000230F5D94000-memory.dmp

              Filesize

              16KB

              Download