Analysis

  • max time kernel
    41s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-06-2022 11:23

General

  • Target

    7efbff752d4cb0acb63da3f0d9cfc1aea1c8b825c59f4b76f002e0d0206e65c9.exe

  • Size

    4.8MB

  • MD5

    2e4647f90895a572202a2f89d4479701

  • SHA1

    74b32ddf657b8a1d5043217a93ed77a18ad60fa6

  • SHA256

    7efbff752d4cb0acb63da3f0d9cfc1aea1c8b825c59f4b76f002e0d0206e65c9

  • SHA512

    f2245058cef639c8f894427a064d6d33eca5124fbe14d982e76d46a4220398fecb36da55f30163a60abe3466f263b1a1fe85c0b3c0aa89719a312145e6246fd4

Malware Config

Extracted

Family

redline

Botnet

@whizzkid1

C2

185.215.113.83:60722

Attributes
  • auth_value

    ff9f6167737e6e2ab682ab9de72ded7d

Signatures

  • RedLine

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

  • RedLine Payload 3 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.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7efbff752d4cb0acb63da3f0d9cfc1aea1c8b825c59f4b76f002e0d0206e65c9.exe
    "C:\Users\Admin\AppData\Local\Temp\7efbff752d4cb0acb63da3f0d9cfc1aea1c8b825c59f4b76f002e0d0206e65c9.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:1904

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1904-54-0x00000000763B1000-0x00000000763B3000-memory.dmp
    Filesize

    8KB

  • memory/1904-57-0x00000000000A0000-0x0000000000DF2000-memory.dmp
    Filesize

    13.3MB

  • memory/1904-58-0x00000000000A0000-0x0000000000DF2000-memory.dmp
    Filesize

    13.3MB

  • memory/1904-59-0x0000000077E30000-0x0000000077FB0000-memory.dmp
    Filesize

    1.5MB

  • memory/1904-60-0x00000000000A0000-0x0000000000DF2000-memory.dmp
    Filesize

    13.3MB

  • memory/1904-61-0x00000000000A0000-0x0000000000DF2000-memory.dmp
    Filesize

    13.3MB

  • memory/1904-62-0x00000000000A0000-0x0000000000DF2000-memory.dmp
    Filesize

    13.3MB

  • memory/1904-63-0x0000000077E30000-0x0000000077FB0000-memory.dmp
    Filesize

    1.5MB