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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/09/2024, 22:43

General

  • Target

    403f56d35696afe2104f6ec76ec36770N.exe

  • Size

    61KB

  • MD5

    403f56d35696afe2104f6ec76ec36770

  • SHA1

    8215dd36b2605ea12217ef6ac6dcefd1c270d3f5

  • SHA256

    05d92dc6060c9bf249397900cea5de527b27a9b95f3209d5c75ed97494236b0b

  • SHA512

    a9d778a0d2184330451ea30ce47e6ba2fb163b3352e64696acbe2566dd596ab3404651baf43975f427f0bde74ef7970147f54f29539ee6c7faad867b522f9c6f

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9SBo7Bomu1u:V7Zf/FAxTWoJJ7TFuE

Malware Config

Signatures

  • Renames multiple (3206) 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\403f56d35696afe2104f6ec76ec36770N.exe
    "C:\Users\Admin\AppData\Local\Temp\403f56d35696afe2104f6ec76ec36770N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    452632f65baf81f5bb1ca84d5197352f

    SHA1

    b836b07c177d3cc3391e3c6d8904d158fc901397

    SHA256

    640e204554549eb8dea6166e06eb00d77d0250984cbbf2001489a08afe33f026

    SHA512

    9fbfcc241e26daf538c0b17da5cb71614cc354c788268a08b4b4057523c01eee4a839093c21d13d542aec1b924e7aa88845d61e0858c6a99c867f70d5cc838cb

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

    Filesize

    70KB

    MD5

    647e146e32bab25e50757d5566f26df4

    SHA1

    949caa545af12eb50f3f4cddf1d75feb15953626

    SHA256

    e0ec55d6366f6b003bd2c98baf9f19a0349a693dde246e625e75963326c356ba

    SHA512

    db20d8d17ef9c51758ec3905eb9bf049c703ec8a9fc045db865db40e60fdee95e14c91d6d1114be10265c5c9ce17bfad6fe5eb44948d502fe7758b52d3f693ea

  • memory/1884-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1884-70-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB