Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:39

General

  • Target

    55c5e66a27ce9077b9665b1ca9f70102de2f0d165486eade861091e881db8a56.exe

  • Size

    1.0MB

  • MD5

    874b7631e1db0c41e25a1d972509c2a8

  • SHA1

    1fae4e0ae24f927b64fa1c482b2fa79d33fa7a3c

  • SHA256

    55c5e66a27ce9077b9665b1ca9f70102de2f0d165486eade861091e881db8a56

  • SHA512

    93abcdaf6c6bc3b3b3cc10d6b6196d4c4a1a08ad07685339fd9dc5eee49aa381715ee8e0f9c0fece5194165f151e0eae5e0db249607fdac4eb6694234471393d

  • SSDEEP

    24576:E4lavt0LkLL9IMixoEgeadpF6Mm3Jd3eWq9MmCS:Tkwkn9IMHeadpFbm3JNPaPCS

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55c5e66a27ce9077b9665b1ca9f70102de2f0d165486eade861091e881db8a56.exe
    "C:\Users\Admin\AppData\Local\Temp\55c5e66a27ce9077b9665b1ca9f70102de2f0d165486eade861091e881db8a56.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 c:\windows\temp\msvcp90u.dll,rdl
      2⤵
      • Loads dropped DLL
      PID:1356
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Tempscratch.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 0127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Tempscratch.bat

    Filesize

    322B

    MD5

    202c240b0525490d56aae8f010017557

    SHA1

    6cd4d9ac27ef7f157154d6a46aad3f241e8791db

    SHA256

    3e8db04270135e058ce34e38451c54bca274718559c70f9ee6ccbb97521d5160

    SHA512

    7fc4d021e7a973e16215b5a7283adcfee7fea0bd338bdfa04554a020bc776bcc6efaa7301dad89df442c10a2446bf3c46a9e81da4fd8972a12dd6b2e55a32ad0

  • \??\c:\windows\temp\msvcp90u.dll

    Filesize

    330KB

    MD5

    169197c84154d58f9eee82052e1b8ee8

    SHA1

    474a0171bbffefb9490e280e58747fa97895a17d

    SHA256

    f1ab0a0bf65a285c2409be4fa435b6e85267cc4d5ed2526703e58d753a5c1f19

    SHA512

    82f1cc75886b760ba88f6a92d65d6cd4f1cb6616b58ec4b2f70856f9958da865e1fbd7016df6bd24ec6607a56b0fd6231a3ef4120ead0930340b27b6ab45ca5d

  • \Windows\Temp\msvcp90u.dll

    Filesize

    330KB

    MD5

    169197c84154d58f9eee82052e1b8ee8

    SHA1

    474a0171bbffefb9490e280e58747fa97895a17d

    SHA256

    f1ab0a0bf65a285c2409be4fa435b6e85267cc4d5ed2526703e58d753a5c1f19

    SHA512

    82f1cc75886b760ba88f6a92d65d6cd4f1cb6616b58ec4b2f70856f9958da865e1fbd7016df6bd24ec6607a56b0fd6231a3ef4120ead0930340b27b6ab45ca5d

  • \Windows\Temp\msvcp90u.dll

    Filesize

    330KB

    MD5

    169197c84154d58f9eee82052e1b8ee8

    SHA1

    474a0171bbffefb9490e280e58747fa97895a17d

    SHA256

    f1ab0a0bf65a285c2409be4fa435b6e85267cc4d5ed2526703e58d753a5c1f19

    SHA512

    82f1cc75886b760ba88f6a92d65d6cd4f1cb6616b58ec4b2f70856f9958da865e1fbd7016df6bd24ec6607a56b0fd6231a3ef4120ead0930340b27b6ab45ca5d

  • \Windows\Temp\msvcp90u.dll

    Filesize

    330KB

    MD5

    169197c84154d58f9eee82052e1b8ee8

    SHA1

    474a0171bbffefb9490e280e58747fa97895a17d

    SHA256

    f1ab0a0bf65a285c2409be4fa435b6e85267cc4d5ed2526703e58d753a5c1f19

    SHA512

    82f1cc75886b760ba88f6a92d65d6cd4f1cb6616b58ec4b2f70856f9958da865e1fbd7016df6bd24ec6607a56b0fd6231a3ef4120ead0930340b27b6ab45ca5d

  • \Windows\Temp\msvcp90u.dll

    Filesize

    330KB

    MD5

    169197c84154d58f9eee82052e1b8ee8

    SHA1

    474a0171bbffefb9490e280e58747fa97895a17d

    SHA256

    f1ab0a0bf65a285c2409be4fa435b6e85267cc4d5ed2526703e58d753a5c1f19

    SHA512

    82f1cc75886b760ba88f6a92d65d6cd4f1cb6616b58ec4b2f70856f9958da865e1fbd7016df6bd24ec6607a56b0fd6231a3ef4120ead0930340b27b6ab45ca5d

  • memory/560-54-0x0000000076041000-0x0000000076043000-memory.dmp

    Filesize

    8KB

  • memory/952-56-0x0000000000000000-mapping.dmp

  • memory/1356-55-0x0000000000000000-mapping.dmp

  • memory/1584-64-0x0000000000000000-mapping.dmp