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Analysis

  • max time kernel
    9s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 23:24

General

  • Target

    c6e3f98be3d0ee945dc79034cad75bf7.exe

  • Size

    87KB

  • MD5

    c6e3f98be3d0ee945dc79034cad75bf7

  • SHA1

    9aee97dbc2c2c5ef7ef0f8ef17026285ac4dba60

  • SHA256

    ff740d602a59980248da3422c4dee6e682cafc00e86a9099584df92c32f63ce2

  • SHA512

    6c416bd2c308a62e0d13d42e0815a1767dbe4a5f68e4448599502226d15f1357065c544ac97e41ad1fe6edd31c7f0a2d88bc944bb0e6192e7666b39dcfd19ab4

  • SSDEEP

    768:Yr1VCwireKp2dlZ8yL6RsibZF34LT1AquKKMQifgvYnbcuyD7URYNcwpP+ebu:YRVCaKgzbLc54hukfgvYnouy8RmcwVxy

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6e3f98be3d0ee945dc79034cad75bf7.exe
    "C:\Users\Admin\AppData\Local\Temp\c6e3f98be3d0ee945dc79034cad75bf7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\c6e3f98be3d0ee945dc79034cad75bf7.exe
      "C:\Users\Admin\AppData\Local\Temp\c6e3f98be3d0ee945dc79034cad75bf7.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3896
      • C:\Users\Admin\AppData\Local\Temp\c6e3f98be3d0ee945dc79034cad75bf7.exe
        "C:\Users\Admin\AppData\Local\Temp\c6e3f98be3d0ee945dc79034cad75bf7.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\xxx uncut high heels .rar.exe

    Filesize

    1.4MB

    MD5

    dce4592028da0627066e685fc818909b

    SHA1

    d3950554516f437b4f986fdf6594c1b23a0606b7

    SHA256

    42c9960bb84441b851d947984caee11687a8af5a650c0f85c33b6d8daa01438e

    SHA512

    b099e910fa90548efefdcba6fbfc41ec4d0f07753be237f48505c30aca56954caeecc6946c5e4bc5efd3675e5c3ae2bc8044015f7f64dde39df3732fb8d296f3

  • memory/1476-219-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-213-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-184-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-234-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-188-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-193-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-203-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-206-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-231-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-216-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-210-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-222-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-225-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1476-228-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1884-186-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3896-103-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB