Analysis

  • max time kernel
    120s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    23-10-2021 16:31

General

  • Target

    Setup.exe

  • Size

    333.8MB

  • MD5

    e1752b67d6336d141615d1842698ecfe

  • SHA1

    216bf305f1cf34d7e5ffba36b280494b7b03cdf0

  • SHA256

    cd1ae60f06cb76918ef4f3aecb47685214554d4301e975b6b396bf9e0cefe413

  • SHA512

    9a41ab35393012c3f3b85e9d4d026b45f0d9c1cfa0700e79f0bc4dc93d28ae7e734fe07f991ec0de6fc44999e7c2f7abe054eea26d806f0fb72716be120d7530

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2216

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2216-131-0x00000000050E0000-0x00000000050E1000-memory.dmp
    Filesize

    4KB

  • memory/2216-139-0x00000000060C0000-0x00000000060C1000-memory.dmp
    Filesize

    4KB

  • memory/2216-128-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/2216-121-0x0000000000400000-0x0000000000433000-memory.dmp
    Filesize

    204KB

  • memory/2216-122-0x000000000040CD2F-mapping.dmp
  • memory/2216-123-0x0000000000BD0000-0x0000000000BEC000-memory.dmp
    Filesize

    112KB

  • memory/2216-124-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/2216-125-0x0000000002A50000-0x0000000002A6B000-memory.dmp
    Filesize

    108KB

  • memory/2216-126-0x00000000060F0000-0x00000000060F1000-memory.dmp
    Filesize

    4KB

  • memory/2216-127-0x0000000004F90000-0x0000000004F91000-memory.dmp
    Filesize

    4KB

  • memory/2216-141-0x0000000007350000-0x0000000007351000-memory.dmp
    Filesize

    4KB

  • memory/2216-140-0x0000000006C50000-0x0000000006C51000-memory.dmp
    Filesize

    4KB

  • memory/2216-132-0x00000000050D3000-0x00000000050D4000-memory.dmp
    Filesize

    4KB

  • memory/2216-130-0x00000000050D2000-0x00000000050D3000-memory.dmp
    Filesize

    4KB

  • memory/2216-129-0x00000000050D0000-0x00000000050D1000-memory.dmp
    Filesize

    4KB

  • memory/2216-133-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
    Filesize

    4KB

  • memory/2216-134-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/2216-135-0x00000000050D4000-0x00000000050D6000-memory.dmp
    Filesize

    8KB

  • memory/2216-136-0x0000000005330000-0x0000000005331000-memory.dmp
    Filesize

    4KB

  • memory/2216-137-0x0000000006040000-0x0000000006041000-memory.dmp
    Filesize

    4KB

  • memory/2216-138-0x00000000067A0000-0x00000000067A1000-memory.dmp
    Filesize

    4KB

  • memory/3584-118-0x0000000002BA0000-0x0000000002BA1000-memory.dmp
    Filesize

    4KB

  • memory/3584-119-0x0000000005F40000-0x0000000005F41000-memory.dmp
    Filesize

    4KB

  • memory/3584-120-0x0000000002BA1000-0x0000000002BA2000-memory.dmp
    Filesize

    4KB