Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 19:57

General

  • Target

    33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe

  • Size

    234KB

  • MD5

    1f5362f579d01f0f0c0e62628bfc79e6

  • SHA1

    cdc1c18d3446f1445436a93c758c1bd72d4c5d52

  • SHA256

    33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4

  • SHA512

    55693b31b2078c288bb827312fbb1fc00d29fe2cfa108245ba0b485aa4e7a9b24129e8afa7a5b67c5c107d17bef58bbebad98cc70ab120212bfcbf65e4a23692

  • SSDEEP

    6144:NPDLCL+Io5R4nM/4rgwNkMWWQUy8ZwYjA7Y1ntXdmQg:NPKLyqzgwN33y8ZwYnt8t

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 8 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 10 IoCs
  • Drops file in Program Files directory 15 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 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe
    "C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe"
    1⤵
    • 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:2816
    • C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe
      "C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe
        "C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2488
    • C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe
      "C:\Users\Admin\AppData\Local\Temp\33cfb7c9c00d219166b7c1688d5711667fa618960132723813876fc2293ca6d4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\fucking [bangbus] hole .avi.exe

    Filesize

    1.5MB

    MD5

    e365511adbd4b7eed7ee96e00546a5da

    SHA1

    e8e247a8eef17b666373b5b27292f0a5e07dac89

    SHA256

    377d60a44df50106c11148ed62cf592d44f8026ad6096401a852f2f7dfc1a541

    SHA512

    d4f7c27fc55f94a9e215af22cbfd8c207c37b963b2ea9bdf24d20ba660ee8c0459d61e86b62f331245414712ba0bbfc8c7fb9b3a4bc31139a613a6120944322b

  • memory/2488-63-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2512-62-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2676-17-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2676-61-0x0000000004460000-0x000000000447E000-memory.dmp

    Filesize

    120KB

  • memory/2676-100-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2676-102-0x0000000004460000-0x000000000447E000-memory.dmp

    Filesize

    120KB

  • memory/2816-60-0x0000000005700000-0x000000000571E000-memory.dmp

    Filesize

    120KB

  • memory/2816-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2816-16-0x0000000004DC0000-0x0000000004DDE000-memory.dmp

    Filesize

    120KB

  • memory/2816-96-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2816-99-0x0000000004DC0000-0x0000000004DDE000-memory.dmp

    Filesize

    120KB

  • memory/2816-101-0x0000000005700000-0x000000000571E000-memory.dmp

    Filesize

    120KB