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Analysis

  • max time kernel
    41s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:08

General

  • Target

    file.exe

  • Size

    1.1MB

  • MD5

    fe83e979df7ebf1ce0eb2e8309154ebc

  • SHA1

    5c3528d56036033a77880d06e30734351e8dc328

  • SHA256

    6a6ed1777e8edb9ccd43c48335dfabfaf1daeb8c2de0c28ca69b79ab050d39fe

  • SHA512

    8fd49690802c7d8a269b1158b55db7aa561c320a689a31e307f0ef20a73b66cf012f2fcbaaf5788e607d6feed97ee1a201b0771d88aa5a657f1ce01ad7eba2bf

  • SSDEEP

    24576:sttbQsmZvjUrRjJnY5ucoo3LkNt3Q0NXt25:stqDqJwu83ANFdXk

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1248-54-0x0000000075351000-0x0000000075353000-memory.dmp

    Filesize

    8KB

  • memory/1248-55-0x0000000000400000-0x00000000006BE000-memory.dmp

    Filesize

    2.7MB

  • memory/1248-56-0x0000000000400000-0x00000000006BE000-memory.dmp

    Filesize

    2.7MB

  • memory/1248-57-0x0000000077620000-0x00000000777A0000-memory.dmp

    Filesize

    1.5MB

  • memory/1248-58-0x00000000024F0000-0x0000000002538000-memory.dmp

    Filesize

    288KB

  • memory/1248-59-0x0000000002540000-0x0000000002586000-memory.dmp

    Filesize

    280KB

  • memory/1248-60-0x0000000000400000-0x00000000006BE000-memory.dmp

    Filesize

    2.7MB

  • memory/1248-61-0x0000000077620000-0x00000000777A0000-memory.dmp

    Filesize

    1.5MB