Analysis

  • max time kernel
    117s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 21:13

General

  • Target

    49c80764723bcde2ef341bd3113e3cb7.exe

  • Size

    3.9MB

  • MD5

    49c80764723bcde2ef341bd3113e3cb7

  • SHA1

    9299c057ea33fde450a734d99c3c66215d6cd108

  • SHA256

    0f78297c5b77e62c4e85db30acf920cbbfea872ec304ac4a0a1f477ec8d78859

  • SHA512

    d03847597a13bf9f1aff364ef84a42ce4e8e221fee5b5f436897471087bdb5ea812f137b955b3d8be1fa9d2946d84b9aae5b614b654d52b4a54379dfe8301a1e

  • SSDEEP

    98304:0XxkAZ+ERxvl8cakcibiqhMbMgOn7n0bcakcibiqhCZihN3fDxxccakcibiqhMbU:0X0Env6dlirybMgOnkdlirgZiPb8dlix

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe
    "C:\Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe
      C:\Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe" /TN WAgLRKqP8c0d /F
        3⤵
        • Creates scheduled task(s)
        PID:2756
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN WAgLRKqP8c0d > C:\Users\Admin\AppData\Local\Temp\iWPFb.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2980
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN WAgLRKqP8c0d
    1⤵
      PID:2268

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe

      Filesize

      1.6MB

      MD5

      0edd5be18425c4da4f9ddd7c2e2b0d48

      SHA1

      af66591f5067fafb0f1fd52414156cc0565d11a9

      SHA256

      7ce670466b18f4c84506f8d8a031100db554eeac102779de974e706881573856

      SHA512

      255c67a83266524c3befb15217aedc2ce6f01f433352e86ad3d9d6a587b63c3027c62e7b0c316bb9b890a95e1c0b54f2d3a9c7d14b976ec97aa0f62331c21b1c

    • C:\Users\Admin\AppData\Local\Temp\iWPFb.xml

      Filesize

      1KB

      MD5

      8d360ca6e900e8e65fb0077708ab0fc4

      SHA1

      360bc7b64f02cead634b08a1e1f5c6d97a5bd39b

      SHA256

      f46729fbec018f0dafe0a2008aa90f63de5f50af42d5649ee99651039dd608c4

      SHA512

      d0a29f4fe327fd9ee55968252049d414646d8817b4dd346cea4ad90f628a1c2fb1cfe6d60aaf132c9e3141d863c634401626b2be90dac973b6568dcbcc8cbfe0

    • \Users\Admin\AppData\Local\Temp\49c80764723bcde2ef341bd3113e3cb7.exe

      Filesize

      17KB

      MD5

      73cc14b989045a58b0e2f575c573f9c0

      SHA1

      16d5aec4f7235407393565263284d9f61f119b38

      SHA256

      143b85ddc7e1dae7dce21306cee5134289125753b4b4cec8a72d33cdff281f88

      SHA512

      227de7dc54b55bb2ef3a8528248524f231735ad03d1d5b39e4c4fb42d46384c1257cf9897c13e4bf0262d7b0120fca6cbb33376740993169696e7fc0a170ad3b

    • memory/1972-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/1972-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1972-3-0x0000000001660000-0x00000000016DE000-memory.dmp

      Filesize

      504KB

    • memory/1972-16-0x0000000023680000-0x00000000238DC000-memory.dmp

      Filesize

      2.4MB

    • memory/1972-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2100-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2100-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2100-21-0x0000000000280000-0x00000000002FE000-memory.dmp

      Filesize

      504KB

    • memory/2100-30-0x0000000000300000-0x000000000036B000-memory.dmp

      Filesize

      428KB

    • memory/2100-54-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB