Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-09-2024 17:56

General

  • Target

    221f2edb4e5ca495ac046be197df86b0N.exe

  • Size

    75KB

  • MD5

    221f2edb4e5ca495ac046be197df86b0

  • SHA1

    1e836b0b4c7ca4da677c033dac2c29ce4818d8f9

  • SHA256

    80ddf050eaed4b4c670da8cc1a83402fd7b72c0a3f8ff5243784027e5ad8a7f2

  • SHA512

    fa2b0a2adba0e900dbbdc7c5c81c68e7767b271cab8d6ed0528ebfa71e759febb3e6d409f5d8e74c07330f267127d3738f2476e1f0d06817524e79ff27507fd0

  • SSDEEP

    1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGl0Y:KQSohsUsUK90Y

Malware Config

Signatures

  • Renames multiple (3148) 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\221f2edb4e5ca495ac046be197df86b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\221f2edb4e5ca495ac046be197df86b0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini.tmp

    Filesize

    76KB

    MD5

    05b20f3a79fcbf99ba2010e196828fbb

    SHA1

    3b2ca6777de43354db9a26218d3536aa1fcd71e1

    SHA256

    911a98052cf9a319dd444d2696e67f57522a23a84684b54b2814a6b9ebf44cad

    SHA512

    605aadf3c6396dd6872c7eff6a873d22d10823751b8a7b01158bce9c050640f87fd7da61a3d6a3e340ff91f269db599a6825e6ad78906b0a71bfc0df506f29df

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

    Filesize

    85KB

    MD5

    48e355b0f556dba757936d3427dfc695

    SHA1

    bd89f24606ff8a0872b1d66c6d38eba38cd15a56

    SHA256

    4d06a214f97b31d1e41816e021827a3530569d8b634b1e79fd5f282c7a23e7cb

    SHA512

    2db4485d2310bc50d8e05d19571594f301b6202c18f5c8e520a307ebd67a838ed3679ae4491a4b1b918b3884d8be511d46b11f4cc7615aef6d88d9715b5f1b19

  • memory/2980-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2980-75-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB