Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-11-2022 19:25

General

  • Target

    519a4655f121a0d225c90544bb38a01efdaf51e00dc3b42ed88254169de50c2a.exe

  • Size

    187KB

  • MD5

    5ebe8380dfc5f8943ccaf7b213325f35

  • SHA1

    7928df89a5e15b177330d02d2d814b91ab6ab155

  • SHA256

    519a4655f121a0d225c90544bb38a01efdaf51e00dc3b42ed88254169de50c2a

  • SHA512

    9f03e856d3fdf1e32a454038363cadb2d6128ec6b0fe2a9f81f442121518a03e0a7ad0509e506803095bc7efa965e780c9b49ec15a14c3cf84df3f6dc731a663

  • SSDEEP

    3072:Ws2znCyxCcOzWwLR347Uol5zvgB0hzblsVYfiOm7IBu:wzKhLR3HUvg2zblsVY3m78u

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 18 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 36 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 20 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\519a4655f121a0d225c90544bb38a01efdaf51e00dc3b42ed88254169de50c2a.exe
    "C:\Users\Admin\AppData\Local\Temp\519a4655f121a0d225c90544bb38a01efdaf51e00dc3b42ed88254169de50c2a.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2764
  • C:\Users\Admin\AppData\Local\Temp\318F.exe
    C:\Users\Admin\AppData\Local\Temp\318F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Tdryuqayh.tmp",Worhdhqfpryr
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 20149
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4204
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4688

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    3
    T1082

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\318F.exe
      Filesize

      1017KB

      MD5

      1bd9fb4ade498938e6432d6c5d1e23a5

      SHA1

      909ecec41f837a402ee4ef43d8b9f6b06a5a8aaf

      SHA256

      12b8b5bfde4092b4248accc682098222420ee6a0b6dfe89eb268f7fcf8cf00fb

      SHA512

      ea02ab5ec0bdeaba4e897e5e1e50ccf27ab392ac859348cdf1caaaf90c7c10f1e99cdd01317f36479cb600b9fe2189f34b59afc822071ec4c7ea989f8f99cda5

    • C:\Users\Admin\AppData\Local\Temp\318F.exe
      Filesize

      1017KB

      MD5

      1bd9fb4ade498938e6432d6c5d1e23a5

      SHA1

      909ecec41f837a402ee4ef43d8b9f6b06a5a8aaf

      SHA256

      12b8b5bfde4092b4248accc682098222420ee6a0b6dfe89eb268f7fcf8cf00fb

      SHA512

      ea02ab5ec0bdeaba4e897e5e1e50ccf27ab392ac859348cdf1caaaf90c7c10f1e99cdd01317f36479cb600b9fe2189f34b59afc822071ec4c7ea989f8f99cda5

    • C:\Users\Admin\AppData\Local\Temp\Tdryuqayh.tmp
      Filesize

      767KB

      MD5

      d8ca174a8f3f0c225429e1be1cb6d304

      SHA1

      0f2e738b1a35b6072e1d23894468e45fa7dee750

      SHA256

      3d63ad175a34e4c89ea6eca4a1161bb5dd514a5e58302707edc03473eb1f656e

      SHA512

      dbf999a9f0399b3cbf93484f2e665e3beb4de369dacf4678c7b7b3ff06f45c42879c544c2404d85b88fe3aaacf117a1e28ecb68ee7ea2553b736bad03619e527

    • \Users\Admin\AppData\Local\Temp\Tdryuqayh.tmp
      Filesize

      767KB

      MD5

      d8ca174a8f3f0c225429e1be1cb6d304

      SHA1

      0f2e738b1a35b6072e1d23894468e45fa7dee750

      SHA256

      3d63ad175a34e4c89ea6eca4a1161bb5dd514a5e58302707edc03473eb1f656e

      SHA512

      dbf999a9f0399b3cbf93484f2e665e3beb4de369dacf4678c7b7b3ff06f45c42879c544c2404d85b88fe3aaacf117a1e28ecb68ee7ea2553b736bad03619e527

    • memory/2764-117-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-119-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-118-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-120-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-121-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-122-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-123-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-124-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-125-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-127-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-126-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-128-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-129-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-130-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-131-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-132-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-133-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-134-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-135-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-136-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-137-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-138-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-139-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-140-0x000000000096A000-0x000000000097A000-memory.dmp
      Filesize

      64KB

    • memory/2764-141-0x0000000000780000-0x00000000008CA000-memory.dmp
      Filesize

      1.3MB

    • memory/2764-142-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-143-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-144-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-145-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-146-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-147-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-148-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-149-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-150-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-151-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/2764-152-0x0000000000400000-0x000000000064C000-memory.dmp
      Filesize

      2.3MB

    • memory/2764-153-0x000000000096A000-0x000000000097A000-memory.dmp
      Filesize

      64KB

    • memory/2764-154-0x0000000000400000-0x000000000064C000-memory.dmp
      Filesize

      2.3MB

    • memory/3448-155-0x0000000000000000-mapping.dmp
    • memory/3448-179-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-158-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-159-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-160-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-161-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-162-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-163-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-165-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-166-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-167-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-168-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-169-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-170-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-171-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-172-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-173-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-174-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-175-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-176-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-177-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-157-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-178-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-181-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-182-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-183-0x00000000022F0000-0x00000000023DE000-memory.dmp
      Filesize

      952KB

    • memory/3448-185-0x00000000024E0000-0x0000000002600000-memory.dmp
      Filesize

      1.1MB

    • memory/3448-184-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-186-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-187-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-188-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-189-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-191-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-190-0x0000000077450000-0x00000000775DE000-memory.dmp
      Filesize

      1.6MB

    • memory/3448-202-0x0000000000400000-0x000000000071B000-memory.dmp
      Filesize

      3.1MB

    • memory/3448-211-0x0000000000400000-0x000000000071B000-memory.dmp
      Filesize

      3.1MB

    • memory/3564-203-0x0000000000000000-mapping.dmp
    • memory/3564-303-0x0000000006890000-0x0000000007409000-memory.dmp
      Filesize

      11.5MB

    • memory/3564-318-0x0000000007709000-0x000000000770B000-memory.dmp
      Filesize

      8KB

    • memory/3564-321-0x0000000006890000-0x0000000007409000-memory.dmp
      Filesize

      11.5MB

    • memory/4204-313-0x00007FF65F5C5FD0-mapping.dmp
    • memory/4204-319-0x0000000000920000-0x0000000000BCB000-memory.dmp
      Filesize

      2.7MB

    • memory/4204-320-0x000001EF78BB0000-0x000001EF78E6C000-memory.dmp
      Filesize

      2.7MB