Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 16:51

General

  • Target

    99a6b4cef208ce26e36cc4a70f849b89.exe

  • Size

    1.3MB

  • MD5

    99a6b4cef208ce26e36cc4a70f849b89

  • SHA1

    9b2ba6a459a424652a26162f7a4a4f3d3abc71b6

  • SHA256

    5ded74bb72c85d41a69ad7e64b9caf777672938abcb7ab4c2d1df22a4e2ade30

  • SHA512

    0c85c6919dfa50ed36dec6dfb4617c5ab74c6a91d5560da342f72140a9fdacb8988eb99ebf9e77377d3e41bf5d2f0953749ad2afdceba0382770d532934a3774

  • SSDEEP

    24576:nEgH2qCjh58osnO/ZcFERe7ol56IteoV0dCwKJ8QFU9/9Us:n7z4h58znORWEw0f6IZdwcWR9j

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99a6b4cef208ce26e36cc4a70f849b89.exe
    "C:\Users\Admin\AppData\Local\Temp\99a6b4cef208ce26e36cc4a70f849b89.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\99a6b4cef208ce26e36cc4a70f849b89.exe
      C:\Users\Admin\AppData\Local\Temp\99a6b4cef208ce26e36cc4a70f849b89.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4976

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\99a6b4cef208ce26e36cc4a70f849b89.exe

    Filesize

    832KB

    MD5

    d4e1ec98d881e527cb0d86e5ab957145

    SHA1

    d2b5a7218a404cfb630708d0f3f2b75356b0bed1

    SHA256

    d660411c392b3f9d3f4898d956d6df4fac682c493af9110605765d493d0dcf0d

    SHA512

    c6160d125563d601b2133fcb6bb4859423f19b305127668c78d58870a446f29cbe34a7c68013e2828b3cc7460d611d7d127af81c78c073dda053b92dd9e1406c

  • memory/1788-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1788-1-0x00000000018F0000-0x0000000001A21000-memory.dmp

    Filesize

    1.2MB

  • memory/1788-2-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/1788-12-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/4976-13-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/4976-15-0x00000000018F0000-0x0000000001A21000-memory.dmp

    Filesize

    1.2MB

  • memory/4976-14-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/4976-21-0x00000000055B0000-0x00000000057D2000-memory.dmp

    Filesize

    2.1MB

  • memory/4976-20-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4976-28-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB