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Analysis

  • max time kernel
    120s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 06:58

General

  • Target

    a4b9617e383d9b2b2bd0fd1da22cb230N.exe

  • Size

    53KB

  • MD5

    a4b9617e383d9b2b2bd0fd1da22cb230

  • SHA1

    4ebd4b15bbb364e14eef6d65964684b95269f9f4

  • SHA256

    84b5234c1a2461c58892d5d52c377913cdf62afcf31f2c1be8c1459faab1308b

  • SHA512

    85d98724bd34b8a3d8d0b89b17a4c9da02760bdb744360bdc3f9212082b1e8bb10741362c1b9ffcaeb5bab719326d97a7066de76121102549bf573a816aff22b

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/HggD5j:V7Zf/FAxTWoJJZENTNyl2aPK

Malware Config

Signatures

  • Renames multiple (1791) 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\a4b9617e383d9b2b2bd0fd1da22cb230N.exe
    "C:\Users\Admin\AppData\Local\Temp\a4b9617e383d9b2b2bd0fd1da22cb230N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

    Filesize

    53KB

    MD5

    b8138675dbc0d01aea9c1324fad8b4fd

    SHA1

    73b32f9388f1224faca11cafcece48de40e41966

    SHA256

    94bed6d7209d01b7798b30c0aee43b2889df1b879c3030cdf6f9c04a33b54195

    SHA512

    8ada760c0709531def15f23d86d5fb92068671d05de3c79857c3470a1a2bccf4bde1b98b1a7fa377663efacf52badbc73e22c00bc6cadf9382bc4e1cf1fa3365

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    152KB

    MD5

    128ff03a6f2db712149878d5fa9905ed

    SHA1

    3b7b5cf72a6d54ed37967d00cf9aeac5d339cea4

    SHA256

    1e535ef2dd92aede4041487a5da5ba4e40fa3e099e3748078f9db3b6aa95c960

    SHA512

    752f5b041c434131ea6dd7748121380d22267af9d131c1e60a00cfd4dc0493486475a0366ececd1c28408670c06539a723ed5cbc8dcfffbb8ae1145441dd8a7b

  • memory/1892-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1892-1218-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB