Analysis

  • max time kernel
    150s
  • max time network
    109s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/11/2022, 22:16

General

  • Target

    3400a0b4768bde7214b06189709c9066a103c87311223ba1a6a51b9531c1b14c.exe

  • Size

    286KB

  • MD5

    a701ce34262b476efd9f5f0777001923

  • SHA1

    2b9a4ae777488f25d489e473c2339a88727040ad

  • SHA256

    3400a0b4768bde7214b06189709c9066a103c87311223ba1a6a51b9531c1b14c

  • SHA512

    c3d158f8e5ef7e65a2434d132b09cca769ef89640a462b3ef4121e5811cc55bdfc880cd2c22ef306c8552d3918bb959fb56b2eecffefdf06062989585aea2594

  • SSDEEP

    3072:fB0qmcaAgdt5N4uwDTpbieZhHRAtX16Xb0OHaNdvgE:Gqadt4uSTpbiefHaUXb1Habv

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 51 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3400a0b4768bde7214b06189709c9066a103c87311223ba1a6a51b9531c1b14c.exe
    "C:\Users\Admin\AppData\Local\Temp\3400a0b4768bde7214b06189709c9066a103c87311223ba1a6a51b9531c1b14c.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1736
  • C:\Users\Admin\AppData\Local\Temp\F235.exe
    C:\Users\Admin\AppData\Local\Temp\F235.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\syswow64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Blocklisted process makes network request
      PID:2776
    • C:\Windows\syswow64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 1016
      2⤵
      • Program crash
      PID:1656

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\F235.exe

          Filesize

          1.3MB

          MD5

          ce76e770ad205e87cfa6422efb9c8281

          SHA1

          ea9cc31da577a6fbed83cb3565c45ef81539645a

          SHA256

          b8341ee82f395cc49c4fc09c2e2d1a1d0ae55848e30351721c7f70b09c0206b1

          SHA512

          551f841cea100372ceed051f08a01f62daca461327a14b692dc397ada8883f2d28b0b654923afd9c64b6471c8826c9c41b7a9e9f3b11e8268f3faebc21d6b6ee

        • C:\Users\Admin\AppData\Local\Temp\F235.exe

          Filesize

          1.3MB

          MD5

          ce76e770ad205e87cfa6422efb9c8281

          SHA1

          ea9cc31da577a6fbed83cb3565c45ef81539645a

          SHA256

          b8341ee82f395cc49c4fc09c2e2d1a1d0ae55848e30351721c7f70b09c0206b1

          SHA512

          551f841cea100372ceed051f08a01f62daca461327a14b692dc397ada8883f2d28b0b654923afd9c64b6471c8826c9c41b7a9e9f3b11e8268f3faebc21d6b6ee

        • C:\Users\Admin\AppData\Local\Temp\Wffwew.tmp

          Filesize

          3.5MB

          MD5

          a7d875022bb5e3a34d034b947003d1b3

          SHA1

          5905ca93fea101ce80e5bf8925eb2a7eec1e333d

          SHA256

          bcdf4c540c4289f81c98448d0a4482a96522fb767ab6015e76288afce148226a

          SHA512

          f2b78a100cf0fa84909629b892e548d7ef9797621623a96aa75f15241d7350eecca117c3793056c30dc317ade8ecc0023c2b875516d9c25ac9bb0d880bb3149a

        • memory/1736-135-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-137-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-121-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-122-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-123-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-124-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-125-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-126-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-127-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-128-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-129-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-130-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-132-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-133-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-134-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-119-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-120-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-136-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-138-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-139-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-140-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-142-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-141-0x0000000000850000-0x00000000008FE000-memory.dmp

          Filesize

          696KB

        • memory/1736-144-0x0000000000400000-0x000000000084A000-memory.dmp

          Filesize

          4.3MB

        • memory/1736-145-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-146-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-147-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-148-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-143-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-149-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-150-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-151-0x0000000000400000-0x000000000084A000-memory.dmp

          Filesize

          4.3MB

        • memory/1736-118-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-117-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/1736-116-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/2776-269-0x0000000000A70000-0x0000000000A73000-memory.dmp

          Filesize

          12KB

        • memory/2776-274-0x0000000000AC0000-0x0000000000AC3000-memory.dmp

          Filesize

          12KB

        • memory/2776-267-0x0000000000A50000-0x0000000000A53000-memory.dmp

          Filesize

          12KB

        • memory/2776-268-0x0000000000A60000-0x0000000000A63000-memory.dmp

          Filesize

          12KB

        • memory/2776-270-0x0000000000A80000-0x0000000000A83000-memory.dmp

          Filesize

          12KB

        • memory/2776-271-0x0000000000A90000-0x0000000000A93000-memory.dmp

          Filesize

          12KB

        • memory/2776-273-0x0000000000AB0000-0x0000000000AB3000-memory.dmp

          Filesize

          12KB

        • memory/2776-302-0x0000000000B30000-0x0000000000B33000-memory.dmp

          Filesize

          12KB

        • memory/2776-301-0x0000000000B30000-0x0000000000B33000-memory.dmp

          Filesize

          12KB

        • memory/2776-281-0x0000000000B30000-0x0000000000B33000-memory.dmp

          Filesize

          12KB

        • memory/2776-280-0x0000000000B20000-0x0000000000B23000-memory.dmp

          Filesize

          12KB

        • memory/2776-277-0x0000000000AF0000-0x0000000000AF3000-memory.dmp

          Filesize

          12KB

        • memory/2776-279-0x0000000000B10000-0x0000000000B13000-memory.dmp

          Filesize

          12KB

        • memory/2776-275-0x0000000000AD0000-0x0000000000AD3000-memory.dmp

          Filesize

          12KB

        • memory/2776-278-0x0000000000B00000-0x0000000000B03000-memory.dmp

          Filesize

          12KB

        • memory/2776-276-0x0000000000AE0000-0x0000000000AE3000-memory.dmp

          Filesize

          12KB

        • memory/2776-272-0x0000000000AA0000-0x0000000000AA3000-memory.dmp

          Filesize

          12KB

        • memory/4060-391-0x0000000003400000-0x0000000003E40000-memory.dmp

          Filesize

          10.2MB

        • memory/4060-411-0x0000000005830000-0x0000000006390000-memory.dmp

          Filesize

          11.4MB

        • memory/4060-443-0x0000000003400000-0x0000000003E40000-memory.dmp

          Filesize

          10.2MB

        • memory/4060-444-0x0000000005830000-0x0000000006390000-memory.dmp

          Filesize

          11.4MB

        • memory/5084-172-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-173-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-181-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-182-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-183-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-184-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/5084-185-0x0000000002560000-0x0000000002687000-memory.dmp

          Filesize

          1.2MB

        • memory/5084-187-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/5084-186-0x00000000026E0000-0x00000000029AC000-memory.dmp

          Filesize

          2.8MB

        • memory/5084-188-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-189-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-190-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-179-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-178-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-154-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-176-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-177-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-175-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-174-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-180-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-156-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-171-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-169-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-168-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-167-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-166-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-165-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-164-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-299-0x0000000002560000-0x0000000002687000-memory.dmp

          Filesize

          1.2MB

        • memory/5084-300-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/5084-155-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-163-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-162-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-335-0x00000000031C0000-0x0000000003D20000-memory.dmp

          Filesize

          11.4MB

        • memory/5084-160-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-159-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-158-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-157-0x00000000779A0000-0x0000000077B2E000-memory.dmp

          Filesize

          1.6MB

        • memory/5084-445-0x00000000031C0000-0x0000000003D20000-memory.dmp

          Filesize

          11.4MB