Resubmissions

13-03-2021 20:45

210313-vdpj886vvj 10

13-03-2021 14:12

210313-2mp147zfla 10

Analysis

  • max time kernel
    13s
  • max time network
    106s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-03-2021 20:45

General

  • Target

    f8ef4d5aab53a64cb56ee89ac55b122b.exe

  • Size

    5.4MB

  • MD5

    f8ef4d5aab53a64cb56ee89ac55b122b

  • SHA1

    05987adf782b26615d6c55276f709525af9d796b

  • SHA256

    34b09f16fa6e9789bda97d9bd512ac7f49e235982db9d65109a4078ab3567bcf

  • SHA512

    50169937e1f4d6a4a0ca5c9e4f2b71ac5f73bb7c274a5db3a91b47dbfcbf551c78c677575e8478743351ad93f3e3e39e55bbcbdf3ce66fb974f3160e06bcdef5

Malware Config

Signatures

  • RedLine

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • 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.

  • themida 1 IoCs

    Detects Themida, Advanced Windows software protection system.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8ef4d5aab53a64cb56ee89ac55b122b.exe
    "C:\Users\Admin\AppData\Local\Temp\f8ef4d5aab53a64cb56ee89ac55b122b.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1144-3-0x0000000073A80000-0x000000007416E000-memory.dmp
    Filesize

    6.9MB

  • memory/1144-4-0x0000000001120000-0x0000000001121000-memory.dmp
    Filesize

    4KB

  • memory/1144-6-0x0000000005710000-0x0000000005711000-memory.dmp
    Filesize

    4KB

  • memory/1144-7-0x00000000778B4000-0x00000000778B5000-memory.dmp
    Filesize

    4KB

  • memory/1144-8-0x00000000035D0000-0x00000000035D1000-memory.dmp
    Filesize

    4KB

  • memory/1144-9-0x0000000005DB0000-0x0000000005DB1000-memory.dmp
    Filesize

    4KB

  • memory/1144-10-0x0000000005850000-0x0000000005851000-memory.dmp
    Filesize

    4KB

  • memory/1144-11-0x00000000058B0000-0x00000000058B1000-memory.dmp
    Filesize

    4KB

  • memory/1144-12-0x00000000058F0000-0x00000000058F1000-memory.dmp
    Filesize

    4KB

  • memory/1144-13-0x0000000003580000-0x0000000003581000-memory.dmp
    Filesize

    4KB

  • memory/1144-14-0x0000000005B50000-0x0000000005B51000-memory.dmp
    Filesize

    4KB

  • memory/1144-15-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
    Filesize

    4KB

  • memory/1144-16-0x00000000074E0000-0x00000000074E1000-memory.dmp
    Filesize

    4KB

  • memory/1144-17-0x0000000006FB0000-0x0000000006FB1000-memory.dmp
    Filesize

    4KB

  • memory/1144-18-0x0000000007F10000-0x0000000007F11000-memory.dmp
    Filesize

    4KB

  • memory/1144-19-0x0000000007050000-0x0000000007051000-memory.dmp
    Filesize

    4KB

  • memory/1144-20-0x0000000007BB0000-0x0000000007BB1000-memory.dmp
    Filesize

    4KB