Resubmissions

29-07-2021 15:09

210729-wzvqb879aa 10

26-07-2021 20:08

210726-9lbbrtep2a 10

26-07-2021 20:05

210726-bdzs4aydgx 9

Analysis

  • max time kernel
    300s
  • max time network
    313s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-07-2021 20:08

General

  • Target

    Setup.exe

  • Size

    3.2MB

  • MD5

    6a42e481e8c2f649a854b08cdaf73be4

  • SHA1

    66d7883449483a44232053f77ed1701c3c3ac9e3

  • SHA256

    3f4a6504fe8dc05ff75fe4a3bdf27eb509b2431ebaf4e189c23b9297ea300f19

  • SHA512

    9d4b1d3ffafebf0faebe550f2d3064a1f515b908e049a5aca07b151d8bfe165d545f244bfd3960283a9310c18e50968834dc3fc471258ef8ddf7541e597d87be

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.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4648-115-0x0000000077580000-0x000000007770E000-memory.dmp

    Filesize

    1.6MB

  • memory/4648-116-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

    Filesize

    4KB

  • memory/4648-118-0x0000000006390000-0x0000000006391000-memory.dmp

    Filesize

    4KB

  • memory/4648-119-0x0000000003B60000-0x0000000003B61000-memory.dmp

    Filesize

    4KB

  • memory/4648-120-0x0000000005D80000-0x0000000005D81000-memory.dmp

    Filesize

    4KB

  • memory/4648-121-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

    Filesize

    4KB

  • memory/4648-122-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

    Filesize

    4KB

  • memory/4648-123-0x0000000006020000-0x0000000006021000-memory.dmp

    Filesize

    4KB