Overview

overview

10

Static

static

10

9385c94181...b9.exe

windows7-x64

8

9385c94181...b9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    190s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 18:05

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General

  • Target

    9385c94181cda268839695c6b7adf6afd3218a44be5e31fa11eac8cee54f6db9.exe

  • Size

    21KB

  • MD5

    ef8fe9e54b324a7b8c52dd55970c3eee

  • SHA1

    08c2d71489f6e203d9281904e933a797d5822463

  • SHA256

    9385c94181cda268839695c6b7adf6afd3218a44be5e31fa11eac8cee54f6db9

  • SHA512

    a0ed1ff57f275c58626de37a1709957d46e4199bd113e98b405026456d45af8bc658724d185a88614a6cd5fa3092e32ae89a9400de6ca6a4713cdbb90ea21132

  • SSDEEP

    384:7rwgu4oJuTJj+XZ9Y9qkyUI07jn6qq9fUaIfqfxWkqxrF6ZlvH38R0V:HaJU+Je9Lwjn9fU7q55AQDHr

Score
10/10
evasionpersistenceransomwareupx

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • 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 backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9385c94181cda268839695c6b7adf6afd3218a44be5e31fa11eac8cee54f6db9.exe
    "C:\Users\Admin\AppData\Local\Temp\9385c94181cda268839695c6b7adf6afd3218a44be5e31fa11eac8cee54f6db9.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\9385c94181cda268839695c6b7adf6afd3218a44be5e31fa11eac8cee54f6db9.exe
      "C:\Users\Admin\AppData\Local\Temp\9385c94181cda268839695c6b7adf6afd3218a44be5e31fa11eac8cee54f6db9.exe" n2284
      2⤵
        PID:4960
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3708
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3476
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4240
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2096
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4076
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:204
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4776
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3148
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2152
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:1048

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\desktop.ini
        Filesize

        356B

        MD5

        f1f6b62c714beca3ee88184e4e596e1d

        SHA1

        c53648c4656dc5254db09e58a64f3a284a8844bb

        SHA256

        a903f45002cc402ad9c78730e2020d879ca663f0570cfd449904938087991cf1

        SHA512

        24253e415bc07e63f3e119460449f7ac7a76fb57c6cb8243032064caea9e9fa3f852cd486eaed091e4e13bc9a496270555cb8430e0e815331d109daef04bcbf7

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      • memory/2284-132-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

        Download

      • memory/4960-134-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

        Download

      • memory/4960-137-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

        Download

      • memory/4960-143-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

        Download