Analysis

  • max time kernel
    120s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 19:40

General

  • Target

    9c869a677bf00dad3f33a9cb63409c71a02eceb5c928886b9e9bd50e11a27e5eN.exe

  • Size

    138KB

  • MD5

    4293ffd84cc7c2792fee40c42fb5dad0

  • SHA1

    2ef1abe3c10d59082ccd5eb278b63462855be098

  • SHA256

    9c869a677bf00dad3f33a9cb63409c71a02eceb5c928886b9e9bd50e11a27e5e

  • SHA512

    93d2e03abd6f0ce7cff910bd6a2af6951bf80b5e123f7a46275c1da490cfd1f28bddb1850d16eb17ae8c5706cb209f08ae7c86f024f0dc63f21a7186097ee286

  • SSDEEP

    1536:a7ZyqaFAxTWH1++PJHJXA/OsIZfzc3/Q8IZuEd4HZKMSs9w7WsLhEC7ptU8eUel:enaypQSo7Z54HZKMx4dhECVneUel

Malware Config

Signatures

  • Renames multiple (2844) 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\9c869a677bf00dad3f33a9cb63409c71a02eceb5c928886b9e9bd50e11a27e5eN.exe
    "C:\Users\Admin\AppData\Local\Temp\9c869a677bf00dad3f33a9cb63409c71a02eceb5c928886b9e9bd50e11a27e5eN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2308

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini.tmp

          Filesize

          138KB

          MD5

          1d8d4d1fff7e9f4cdb6ea81940d56c91

          SHA1

          ee0b164ed710e35f233ed943e48504a74e8ebdfc

          SHA256

          71316d8068cb59c8a1c207a292aec98bb7292a70b4b25f4b6d93182014d626ad

          SHA512

          32eed8f5dd359e6d8a9cb3e06f907c482f8d145ba1cad2a2009b7785af96d36836e5a5f09919024dcb8bf4f6f8278007b0176d175554fb0eadf09054da7f7ccf

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

          Filesize

          147KB

          MD5

          e42d6d186a7efe425383efb2140771c6

          SHA1

          871cf951e37db5d0173a888feae78abea099b9fc

          SHA256

          38f7e0879d7a642b4ed753ff3781d203d8a87ed23d20ed3dd7c77224739ec14d

          SHA512

          cd9b4b526ae7f22c0415f005e5fea440fb52e5aa188834fb3acfaf2887930d555feed400030e38294f110dae0cf7f238e4a624e081f7cf71de13581d09a14605

        • memory/2308-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2308-70-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB