Analysis

  • max time kernel
    24s
  • max time network
    23s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-03-2021 16:55

General

  • Target

    29d0bf8a76f51a9ec7d39f90cd7a5f57.exe

  • Size

    5.1MB

  • MD5

    29d0bf8a76f51a9ec7d39f90cd7a5f57

  • SHA1

    d954337798846a9b8fb2609f94f287dbe63a03f8

  • SHA256

    7fb4f8f5f89b3fb2a4e9a6605763436ebb679198ee5ebbcde8972bb1e20a8da5

  • SHA512

    7020b1b21b27674d7a6d1b4b9708161818eecca8f743a37bcb80371e12d7452d522a65672529e41d392007e94427726ac60a6e6f87cf9f8c5cc1f09bf1a675ea

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
  • 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\29d0bf8a76f51a9ec7d39f90cd7a5f57.exe
    "C:\Users\Admin\AppData\Local\Temp\29d0bf8a76f51a9ec7d39f90cd7a5f57.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:384

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/384-2-0x0000000076241000-0x0000000076243000-memory.dmp
    Filesize

    8KB

  • memory/384-3-0x0000000000400000-0x0000000000F1E000-memory.dmp
    Filesize

    11.1MB

  • memory/384-4-0x0000000000401000-0x000000000041B000-memory.dmp
    Filesize

    104KB

  • memory/384-5-0x0000000002C20000-0x0000000002C31000-memory.dmp
    Filesize

    68KB

  • memory/384-6-0x0000000074310000-0x00000000749FE000-memory.dmp
    Filesize

    6.9MB

  • memory/384-7-0x0000000002EB0000-0x0000000002ED9000-memory.dmp
    Filesize

    164KB

  • memory/384-8-0x0000000005411000-0x0000000005412000-memory.dmp
    Filesize

    4KB

  • memory/384-9-0x0000000005412000-0x0000000005413000-memory.dmp
    Filesize

    4KB

  • memory/384-10-0x0000000005413000-0x0000000005414000-memory.dmp
    Filesize

    4KB

  • memory/384-11-0x0000000003030000-0x0000000003058000-memory.dmp
    Filesize

    160KB

  • memory/384-12-0x0000000005414000-0x0000000005416000-memory.dmp
    Filesize

    8KB