Resubmissions

12/01/2022, 09:43

220112-lqbc3acah66

24/06/2021, 08:43

210624-ftmswej82x10

Analysis

  • max time kernel
    138s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24/06/2021, 08:43

General

  • Target
    a1898e4ebec6f43b6448701b7cd456c5.exe
  • Size 682KB
  • Sample210624-ftmswej82x
  • SHA256 393aac4cba99e10526596a762318a76c8380e1283ccf01aad2b10f5e5b0cbb90
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • HCwIKyY0PFw4GQlL

C2
  • BS0DQyMaPBQ6IHwBKSYiBTg4F0UFLQNDICQWUQ==

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1898e4ebec6f43b6448701b7cd456c5.exe
    "C:\Users\Admin\AppData\Local\Temp\a1898e4ebec6f43b6448701b7cd456c5.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3132

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3132-122-0x0000000005760000-0x0000000005761000-memory.dmp

        memory/3132-125-0x0000000000B40000-0x0000000000B6F000-memory.dmp

        memory/3132-132-0x0000000005254000-0x0000000005256000-memory.dmp

        memory/3132-119-0x00000000026C0000-0x00000000026DB000-memory.dmp

        memory/3132-120-0x0000000005260000-0x0000000005261000-memory.dmp

        memory/3132-121-0x0000000002750000-0x0000000002769000-memory.dmp

        memory/3132-131-0x0000000005D70000-0x0000000005D71000-memory.dmp

        memory/3132-123-0x0000000002B30000-0x0000000002B31000-memory.dmp

        memory/3132-124-0x00000000050A0000-0x00000000050A1000-memory.dmp

        memory/3132-127-0x0000000005250000-0x0000000005251000-memory.dmp

        memory/3132-126-0x0000000000400000-0x0000000000908000-memory.dmp

        memory/3132-129-0x0000000005253000-0x0000000005254000-memory.dmp

        memory/3132-128-0x0000000005252000-0x0000000005253000-memory.dmp

        memory/3132-130-0x00000000050E0000-0x00000000050E1000-memory.dmp

        memory/3904-115-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/3904-114-0x0000000000570000-0x00000000006BA000-memory.dmp