Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 (3138) 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:2236

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-312935884-697965778-3955649944-1000\desktop.ini.tmp

          Filesize

          80KB

          MD5

          b31db6a9547e939e7570486f5f9f3a58

          SHA1

          cbdc6e7f0a610d4bab186b00669fe3291fed0185

          SHA256

          4abf7956b43431d43552d7b273e20dd1edac606891547e6eb06d2f6a74be84a2

          SHA512

          da53ae12fbb07824999cd1be490757fe6a8b8935a04d66f647822e20456351a056670e8423a7626a0494612dc140ccccad0034fac2078baa32479a62c8947abc

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

          Filesize

          89KB

          MD5

          d93b9b25cc0cd65ab227ca2ebd50145a

          SHA1

          f80db839cc176bf5da8c61b172402f4e098f3776

          SHA256

          05cce3ca86ae95ab589cf5a8d4803753c184b08d577891630abfbf95ac6bede2

          SHA512

          41faf32f32ed3001f245e135915494ae18faee02c3a4a70d346a4cad900a1a565ce532b15ac92e69721ea61c60558204ce0236ba836e31320b3d9084982cd099

        • memory/2236-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2236-74-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB