Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 06:13

General

  • Target

    fb29d420575509a51c6823a27ad4d029194007a88fd29bab3c2a34d1648ccd10.exe

  • Size

    73KB

  • MD5

    5a68196ee5b86fcff908453bef00445f

  • SHA1

    30533da9855c18c33d6385dd6d08f95fb16dc74b

  • SHA256

    fb29d420575509a51c6823a27ad4d029194007a88fd29bab3c2a34d1648ccd10

  • SHA512

    51a2dc071a04b4c32a4f5c178539996ac6f4639a2d673bc1e4ed67e75fbbf014d188fd39db7a8c5fd339c59068433990ab8089510d02fa4858c85c1344e677ed

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8xJJMJJp:fnyiQSoz

Score
9/10

Malware Config

Signatures

  • Renames multiple (3429) files with added filename extension

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

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb29d420575509a51c6823a27ad4d029194007a88fd29bab3c2a34d1648ccd10.exe
    "C:\Users\Admin\AppData\Local\Temp\fb29d420575509a51c6823a27ad4d029194007a88fd29bab3c2a34d1648ccd10.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2248

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini.tmp
    Filesize

    73KB

    MD5

    831afb60548af5634a9ff1d50381d86c

    SHA1

    a028bd34fd60424717c6aa3b8750fa2e59ffddd6

    SHA256

    41eefdbe3543eb86a2acb4971fc452ad9165ad829d60deb4a8c90fb79d19493f

    SHA512

    069302dcd59c4badbbe2225b193500d22a966e85a9bf12989d89b6805f7e623a20c2903d14cba542ac4f4785c0d5d8dbcd9b167f0928789b1bc2cda3b416ec3f

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

    82KB

    MD5

    45e2d070b10d9eb545673e6fc2250a49

    SHA1

    2b9c6eed780bfaa594f595eab056ac7389e70894

    SHA256

    3fceba9461c9470f155b48e146c63959405167968745d4fe05d65844d997ecbc

    SHA512

    37346a9d0351bec04282e77ddd0ef6635ea006c5c3459d7051242b2ae92fa5c0239417006e39bccc09c5c183648936c6ecf173cbb4104105b748fb2ad340d64b

  • memory/2248-0-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2248-420-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB