Analysis

  • max time kernel
    120s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 09:28

General

  • Target

    bc5fb3fc01311426f4229586967f84475137601d0cee887ec2006f108e19e0fbN.exe

  • Size

    80KB

  • MD5

    564a93905326c3195f110d8443784090

  • SHA1

    9efed19b407449b5b6d419ae319f2e862f241ed9

  • SHA256

    bc5fb3fc01311426f4229586967f84475137601d0cee887ec2006f108e19e0fb

  • SHA512

    58306b26cc1a27f9f510ebc64c9f47b27162d64b147884c06475ca6b781cf7b6bf1e96f8812cd53008e0c1c1cf367cfd3ca9aec3198f0dd15b96c52bc588a100

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9GR9BT37CPKKdJJ1EXBwr:V7Zf/FAxTWoJJ7TsTW7JJ7T6e

Malware Config

Signatures

  • Renames multiple (4619) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc5fb3fc01311426f4229586967f84475137601d0cee887ec2006f108e19e0fbN.exe
    "C:\Users\Admin\AppData\Local\Temp\bc5fb3fc01311426f4229586967f84475137601d0cee887ec2006f108e19e0fbN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4872

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

          Filesize

          80KB

          MD5

          de9af342068dcf745d41b7ae6af442cf

          SHA1

          e37e30ac88feba7edf80b5628b677d19d8e85191

          SHA256

          53155faf4414767f6ca1628975065325222fa80b8b4444cdaf03ad37cd8ce246

          SHA512

          08731c5959e2f024e470cb6525b1f89ded19087af7e0fe69386be132dbdf1b71be0a8db1f79520acd6507cf41d81751a56a13a0b4a01a5a18f44fb4047a2494f

        • C:\Program Files\7-Zip\7-zip.dll.tmp

          Filesize

          179KB

          MD5

          fa54b6b94eb69e36754d7e41d7eeb43e

          SHA1

          4951a934cc4653c3916d74bf21a376eb57c6b103

          SHA256

          d97920e5b96dc3120f86bbbe7c64dec7fdfbcc02f3851688935cdd77db6e6d29

          SHA512

          b1e4341474fbf7323333cec51cf63aab3c94f80d3ee2a060752e80baa63083fdeb8374aa2f5266e51276703066e6d9ece646ccc9297235337b7e545d2a3fe961

        • memory/4872-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4872-858-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB