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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 01:40

General

  • Target

    a9f8c16797903e84eb9ba42300ea2b8a305530aaeb96acd3c7091a4829521c69.exe

  • Size

    69KB

  • MD5

    e9103528fa45838f90973c40dc9ab739

  • SHA1

    9a31fc28ddf3acb98d35e3e03ef4963faf931d4c

  • SHA256

    a9f8c16797903e84eb9ba42300ea2b8a305530aaeb96acd3c7091a4829521c69

  • SHA512

    6bf32ef0ed6f7f732d7232fc241ff10c0ac0668bb293624746fcb108417decfbba5aeb66de8e3c2c8debbc461532e3b422f4d0cf25b479794d38ff54d478c4f8

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8NCuXYRYc:fnyiQSoDuXuf

Score
9/10

Malware Config

Signatures

  • Renames multiple (3440) 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\a9f8c16797903e84eb9ba42300ea2b8a305530aaeb96acd3c7091a4829521c69.exe
    "C:\Users\Admin\AppData\Local\Temp\a9f8c16797903e84eb9ba42300ea2b8a305530aaeb96acd3c7091a4829521c69.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1700

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1340930862-1405011213-2821322012-1000\desktop.ini.tmp

    Filesize

    70KB

    MD5

    05d1689a41be09182228664980c6051c

    SHA1

    98d1bb8db2dc12dc52ebd43500786b7ceb7a90fa

    SHA256

    ef37f507c92dc343845852a7290ad7913fa34b57c58abb28c2e84b00e147f94c

    SHA512

    e9a020b8a18326ca8fabddfef8220c2aa6ffaf1ba88ea05937b1659d2440b179781afab9899f8cad65069b774f0e8e9b3f186d11a14193583e6bc249b6e4fe52

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

    Filesize

    78KB

    MD5

    8ba0b6934a0ce47eb3650d7bc08c3bee

    SHA1

    36c4d69165072ca9621440589b08f249ae2671cc

    SHA256

    8775e996987b0bb6cce58d7870db37de8634faa420efee7d832804d849d5eea4

    SHA512

    d4bd886710301941de0e624cf85c1f5d4d81736ec39d4c1a4194f8a825884a40172b3d73481bed8e49f347b53adf46b6d4e7d470d1de9a1f96b3524d028573ea

  • memory/1700-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1700-644-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB