Overview

overview

10

Static

static

de43a20310...5c.exe

windows7-x64

10

de43a20310...5c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2022 12:35

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General

  • Target

    de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe

  • Size

    611KB

  • MD5

    dfa8f311db9cb2886f75989267bbd47f

  • SHA1

    3c476565086765f896f4bf99b2900c0c1a427384

  • SHA256

    de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c

  • SHA512

    bb935e031e25f7ff4ef54d3b788c44d692449cecc3354628b27efa534840b202c721a6c93a4ff586fbdf222ab4905f74245588974a228c227c24787db145bcc4

  • SSDEEP

    12288:h1GVyBfUDi9EUb4kAH/w0mpKMgxxcLHgh:uVy1UDCb3sFxFh

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • 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
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 2 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe
    "C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe
      "{path}"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4600
      • C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe
        "C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe
          "{path}"
          4⤵
            PID:4512
          • C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe
            "{path}"
            4⤵
              PID:3328
            • C:\Users\Admin\AppData\Local\Temp\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe
              "{path}"
              4⤵
                PID:4500
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1428
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                4⤵
                • Interacts with shadow copies
                PID:4252
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic shadowcopy delete
                4⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:5068
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} bootstatuspolicy ignoreallfailures
                4⤵
                • Modifies boot configuration data using bcdedit
                PID:3140
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} recoveryenabled no
                4⤵
                • Modifies boot configuration data using bcdedit
                PID:1092
              • C:\Windows\system32\wbadmin.exe
                wbadmin delete catalog -quiet
                4⤵
                • Deletes backup catalog
                PID:1316
        • 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:4852
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4232
        • C:\Windows\system32\wbengine.exe
          "C:\Windows\system32\wbengine.exe"
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3836
        • C:\Windows\System32\vdsldr.exe
          C:\Windows\System32\vdsldr.exe -Embedding
          1⤵
            PID:1568
          • C:\Windows\System32\vds.exe
            C:\Windows\System32\vds.exe
            1⤵
            • Checks SCSI registry key(s)
            PID:3956

          Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\de43a2031013e66780820a2fa5fb9871a21c97be4a42e65cd1a6efffb222c95c.exe.log
            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

            Download Submit

          • memory/1092-149-0x0000000000000000-mapping.dmp

            Download

          • memory/1316-150-0x0000000000000000-mapping.dmp

            Download

          • memory/1348-141-0x0000000000000000-mapping.dmp

            Download

          • memory/1428-144-0x0000000000000000-mapping.dmp

            Download

          • memory/2532-136-0x0000000007F30000-0x0000000007FCC000-memory.dmp

            Filesize

            624KB

            Download

          • memory/2532-132-0x0000000000B70000-0x0000000000C0E000-memory.dmp

            Filesize

            632KB

            Download

          • memory/2532-135-0x00000000055B0000-0x00000000055BA000-memory.dmp

            Filesize

            40KB

            Download

          • memory/2532-134-0x0000000005600000-0x0000000005692000-memory.dmp

            Filesize

            584KB

            Download

          • memory/2532-133-0x0000000005CB0000-0x0000000006254000-memory.dmp

            Filesize

            5.6MB

            Download

          • memory/3140-148-0x0000000000000000-mapping.dmp

            Download

          • memory/3328-152-0x0000000000000000-mapping.dmp

            Download

          • memory/4252-145-0x0000000000000000-mapping.dmp

            Download

          • memory/4500-157-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

            Download

          • memory/4500-153-0x0000000000000000-mapping.dmp

            Download

          • memory/4512-151-0x0000000000000000-mapping.dmp

            Download

          • memory/4600-137-0x0000000000000000-mapping.dmp

            Download

          • memory/4600-147-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

            Download

          • memory/4600-143-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

            Download

          • memory/4600-140-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

            Download

          • memory/4600-138-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

            Download

          • memory/5068-146-0x0000000000000000-mapping.dmp

            Download