Analysis

  • max time kernel
    32s
  • max time network
    34s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    14-09-2021 19:40

General

  • Target

    installer.exe

  • Size

    598KB

  • MD5

    239394fafc18ebb639f8fad447bdb0af

  • SHA1

    e4ffb14ea1ad842d144bf829cbcfa27461ba8981

  • SHA256

    9cb48f855afbd1e83c9ba2060592b4da0a8cf3a57f5a37fcf5aa27effcc878a4

  • SHA512

    b2da692e0dafd618c8f4301aa7f6e5903663931345211b688599de7641cdd883fffc691cb744720281a033fdd33f36c187d72328b1b0296491dbe4516aa0bc15

Malware Config

Extracted

Family

redline

Botnet

H

C2

185.180.231.69:2796

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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\installer.exe
    "C:\Users\Admin\AppData\Local\Temp\installer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Users\Admin\AppData\Local\Temp\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\installer.exe"
      2⤵
        PID:4748
      • C:\Users\Admin\AppData\Local\Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\installer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 944
        2⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4872

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    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/4688-123-0x00000000058C0000-0x00000000058C3000-memory.dmp
      Filesize

      12KB

    • memory/4688-116-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
      Filesize

      4KB

    • memory/4688-117-0x00000000057F0000-0x00000000057F1000-memory.dmp
      Filesize

      4KB

    • memory/4688-118-0x0000000005970000-0x0000000005971000-memory.dmp
      Filesize

      4KB

    • memory/4688-119-0x00000000057F0000-0x0000000005CEE000-memory.dmp
      Filesize

      5.0MB

    • memory/4688-120-0x0000000005790000-0x00000000057CA000-memory.dmp
      Filesize

      232KB

    • memory/4688-115-0x0000000000ED0000-0x0000000000ED1000-memory.dmp
      Filesize

      4KB

    • memory/4756-127-0x0000000006900000-0x0000000006901000-memory.dmp
      Filesize

      4KB

    • memory/4756-132-0x00000000067D0000-0x00000000067D1000-memory.dmp
      Filesize

      4KB

    • memory/4756-124-0x0000000000400000-0x0000000000401000-memory.dmp
      Filesize

      4KB

    • memory/4756-121-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

    • memory/4756-129-0x0000000005AD0000-0x0000000005AD1000-memory.dmp
      Filesize

      4KB

    • memory/4756-130-0x0000000006680000-0x0000000006681000-memory.dmp
      Filesize

      4KB

    • memory/4756-131-0x00000000058F0000-0x0000000005DEE000-memory.dmp
      Filesize

      5.0MB

    • memory/4756-122-0x000000000041C636-mapping.dmp
    • memory/4756-133-0x0000000006810000-0x0000000006811000-memory.dmp
      Filesize

      4KB

    • memory/4756-134-0x0000000008C90000-0x0000000008C91000-memory.dmp
      Filesize

      4KB

    • memory/4756-135-0x0000000009390000-0x0000000009391000-memory.dmp
      Filesize

      4KB

    • memory/4756-136-0x0000000008BD0000-0x0000000008BD1000-memory.dmp
      Filesize

      4KB

    • memory/4756-137-0x0000000008FE0000-0x0000000008FE1000-memory.dmp
      Filesize

      4KB

    • memory/4756-138-0x00000000091A0000-0x00000000091A1000-memory.dmp
      Filesize

      4KB