Analysis

  • max time kernel
    118s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-07-2024 13:46

General

  • Target

    cfa9b7f221576b2eb0cbd72d40d395e0N.exe

  • Size

    49KB

  • MD5

    cfa9b7f221576b2eb0cbd72d40d395e0

  • SHA1

    ccd0a6a4fcc5bf28955558931899a9090e1621bb

  • SHA256

    cf3a238308754e5781ad5544c03358b17b2fd68e19c63be12e8f2e0a1048241b

  • SHA512

    70fa614c3f2324e7920f93c6d2a4a51fa109ba91235dbc522cf63fc5055194fd0adc4f2bef547d3a1e97024b61e03f207f2c3c9855321628c19ccb47bfbd9a9e

  • SSDEEP

    768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzH:CTWn1++PJHJXA/OsIZfzc3/Q8zxR

Score
9/10

Malware Config

Signatures

  • Renames multiple (2054) 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfa9b7f221576b2eb0cbd72d40d395e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\cfa9b7f221576b2eb0cbd72d40d395e0N.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2368

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3450744190-3404161390-554719085-1000\desktop.ini.tmp

    Filesize

    49KB

    MD5

    f7450c06b2b27c64061d27205fedb5c9

    SHA1

    8e6e5e35d2d20f5c7568cc7d8174c695135af303

    SHA256

    f3dd1367075a02568d3e92af459a88239af6bb222c801a2e4dfd3a9cf6c91c77

    SHA512

    53be753a60df1991b65e9ebf86f52d4bfdb5c87adab347986b2029550735feb4a8d43ce7563ee0e2e7a82d4d3ff0869579970d24895f4fc421dc9fc3ad70e770

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

    Filesize

    58KB

    MD5

    cf0700ef8b3840909352ece3eae02362

    SHA1

    517610df861e88f840d75c31b39587d3afee021d

    SHA256

    4b380b5b5d1623db4a50452a9aeed6824be0e4eba6ecded35200b588c67e9d28

    SHA512

    4fe11fdc684ab7dd6149d0788c27de7b8212cb80102c71706fa407ba388a96d79f988070e472f682d64843b648158593bef328cfb6098aae138fd8b5c36938f3

  • memory/2368-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2368-60-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB