Analysis

  • max time kernel
    160s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2024, 23:38

General

  • Target

    44b86bf0423e84aaa3930b25bf01a2a9.exe

  • Size

    124KB

  • MD5

    44b86bf0423e84aaa3930b25bf01a2a9

  • SHA1

    2bdf37db2e02f09061334c9081cc2ee92ff809c7

  • SHA256

    ec7e2d1b4f44c8609f7d3f1739147a2f4a332538357bdaeb782828abf18dc88f

  • SHA512

    082d798ea4310ff355a0611e3d0611e59bcfc4fda0b9139456dcf75b3e423260d03c3062c1fb911696899cccda4b21e32d4978dbd962b2706ca608ec1384f3a7

  • SSDEEP

    3072:v9hYL2lNz9Msq5IyGQJjWw7eKDR6CfzY0Vk9:lKL2Fq5IQdCKDR60k0Vk

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 14 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44b86bf0423e84aaa3930b25bf01a2a9.exe
    "C:\Users\Admin\AppData\Local\Temp\44b86bf0423e84aaa3930b25bf01a2a9.exe"
    1⤵
    • Modifies firewall policy service
    • Adds policy Run key to start application
    • Sets service image path in registry
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    124KB

    MD5

    0168e00e34a0bfad998180f60664b5b7

    SHA1

    fa7ba0af48e437ac36ee131134acfce6f9877c33

    SHA256

    d9068dc0ddfedf3059122f447b92970e9739016b09153de642894e255d6cc74f

    SHA512

    6ad46081ab755732e44376c2a3fb808908ed11e7e1d619e540c6c076845f2290ad3f7453dba2562ac5d6266f471e91b5da44b9c0628509013ad67f3a093d7d95

  • memory/2796-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-5-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-18-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-19-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-20-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-25-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-26-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-27-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-29-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2796-30-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB