Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 10:40

General

  • Target

    f86nrrc6.exe

  • Size

    6.9MB

  • MD5

    f2a50f1b081ea3cd4821195676adacf1

  • SHA1

    f57f61d9e455b0a30399dd36d97234bb6fd12802

  • SHA256

    9446296c74c2843600e6dccb68316ba93494c7eca4053de766bd237a0ff37279

  • SHA512

    b057bedb7067d3ca91f31152bbf34126cad8d29437b83656118ea5807b4f195a3270a0578f51cb8c961b9212c31c71b758865a1cf74c5b4e0bd99a5ddd2b9a58

  • SSDEEP

    98304:ISTkuyh2weEjW9a3JXwPhxAL+ikiYDCsPtWgYGI+4IPF6scqr/Api3RixLe7J:IP2D/83iiW2AtWxbm5ApiYxLe7J

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f86nrrc6.exe
    "C:\Users\Admin\AppData\Local\Temp\f86nrrc6.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabCF23.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCF46.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2408-8-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2408-20-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2408-30-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2408-27-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2408-25-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2408-22-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2408-1-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-17-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2408-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2408-12-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2408-10-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2408-0-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-7-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2408-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2408-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2408-33-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-35-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-36-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-34-0x00000000009E3000-0x0000000000D6B000-memory.dmp

    Filesize

    3.5MB

  • memory/2408-39-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-41-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-40-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-37-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-42-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-38-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-32-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2408-93-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-79-0x00000000009E3000-0x0000000000D6B000-memory.dmp

    Filesize

    3.5MB

  • memory/2408-81-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-80-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-87-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-91-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-90-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-89-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-88-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-92-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-106-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-105-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-104-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-103-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-102-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-101-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-100-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-99-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-98-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-97-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-96-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-95-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-94-0x0000000005030000-0x000000000552D000-memory.dmp

    Filesize

    5.0MB

  • memory/2408-78-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB

  • memory/2408-143-0x0000000000400000-0x000000000115C000-memory.dmp

    Filesize

    13.4MB