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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/05/2024, 05:22

General

  • Target

    f5012741a116a4128fde6082553bf38a0f4edb9160ef194dea5fe08cc446caed.exe

  • Size

    38KB

  • MD5

    c8788c6e2cbdfc2f868570d423166bc4

  • SHA1

    9a674083e94268e2a325f5171798caa055b7da48

  • SHA256

    f5012741a116a4128fde6082553bf38a0f4edb9160ef194dea5fe08cc446caed

  • SHA512

    dd1fb9d4bb6af39f2db1cf464b1368ad16594f6f60792dd2efaa7da4473e8c19c325618e0d66c07cdc2ce254ced8d5b6af891d758c6a483fd261238cfc7e9b87

  • SSDEEP

    768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uA1:CTWn1++PJHJXA/OsIZfzc3/QM

Score
9/10

Malware Config

Signatures

  • Renames multiple (3785) 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\f5012741a116a4128fde6082553bf38a0f4edb9160ef194dea5fe08cc446caed.exe
    "C:\Users\Admin\AppData\Local\Temp\f5012741a116a4128fde6082553bf38a0f4edb9160ef194dea5fe08cc446caed.exe"
    1⤵
    • Drops file in Program Files directory
    PID:3056

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1298544033-3225604241-2703760938-1000\desktop.ini.tmp

    Filesize

    39KB

    MD5

    35c2eac58f434a5f4ecf78c6f216b106

    SHA1

    1dfa6fa8367b0f2c1271ea4c2e6a6710f34e24c2

    SHA256

    da02713646fa2fa05d1ef434c96b1bb08838cd9d1f5949a85740cb8c0e7f5bbe

    SHA512

    7d687572fdde38454dcb1ab125085814af2a4015785410589f7e42a0fc5c8fccbfa2ca88b91de06c0a3cc1b4b73929beefea7c35eee3b2914e37657b72e885c9

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

    Filesize

    47KB

    MD5

    318e209008e68750ef59c86bdd433c81

    SHA1

    200f8da432b5ce7948e9afca3e9186c477070cbe

    SHA256

    777c5b15101ab443c30bf0428dc02a4d007c7a5387150cc45942c46a0cc17f2e

    SHA512

    b66efdf0fdc340fac4563ab68898d87ccfd044c2003840c036b2a298b9ee7bda19a6d54e3251a4b72c0efd335abd61ab201c3937e46334325c525f42e781c419

  • memory/3056-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3056-76-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB