Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/09/2023, 21:40

General

  • Target

    SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe

  • Size

    267KB

  • MD5

    24dbebd26b029b6304bed121b5af43c4

  • SHA1

    6657d33ab6958b155c67cc12d55647b1b0bc28ad

  • SHA256

    9e7c8aea93412acc8d8de3a956e8485a86caf40c626b2abd491bd5404df1bfbb

  • SHA512

    470559b9db03a1b3c10a6e91a1e03c6b15979a3d754c9f2a5684a06e87a9722bd7929872fa8cb15b8c5f183fead77272e57966095b493a1b608e93130db4ddf8

  • SSDEEP

    3072:QXUMeUgFUvuQ+qOsW8gPwI0eNcCOdvriM5vVos1lRLootRbrNpm:OUMeAvuQ+qOsWttcpRriMMIS

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gudintas.at/tmp/

http://pik96.ru/tmp/

http://rosatiauto.com/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Extracted

Family

stealc

C2

http://85.209.11.51

Attributes
  • url_path

    /fefb4a458e1dc58b.php

rc4.plain

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2116
  • C:\Users\Admin\AppData\Local\Temp\7CDC.exe
    C:\Users\Admin\AppData\Local\Temp\7CDC.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
        3⤵
          PID:4240
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        2⤵
        • Loads dropped DLL
        • Checks processor information in registry
        PID:4500

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • C:\ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • C:\Users\Admin\AppData\Local\Temp\7CDC.exe

            Filesize

            505KB

            MD5

            3082e7832f7a31397990d4d3ae4c75c9

            SHA1

            769b150e219c7e8d7221f7a0f0ba6ef617fd036d

            SHA256

            716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

            SHA512

            8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

          • C:\Users\Admin\AppData\Local\Temp\7CDC.exe

            Filesize

            505KB

            MD5

            3082e7832f7a31397990d4d3ae4c75c9

            SHA1

            769b150e219c7e8d7221f7a0f0ba6ef617fd036d

            SHA256

            716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

            SHA512

            8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

          • memory/2116-2-0x00000000008C0000-0x00000000008C9000-memory.dmp

            Filesize

            36KB

          • memory/2116-3-0x0000000000400000-0x0000000000711000-memory.dmp

            Filesize

            3.1MB

          • memory/2116-5-0x0000000000400000-0x0000000000711000-memory.dmp

            Filesize

            3.1MB

          • memory/2116-8-0x00000000008C0000-0x00000000008C9000-memory.dmp

            Filesize

            36KB

          • memory/2116-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

            Filesize

            1024KB

          • memory/2852-88-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-14-0x0000000006E40000-0x0000000006E50000-memory.dmp

            Filesize

            64KB

          • memory/2852-17-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-18-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-20-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-22-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-23-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-24-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-21-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-19-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-25-0x0000000008280000-0x0000000008290000-memory.dmp

            Filesize

            64KB

          • memory/2852-4-0x0000000002750000-0x0000000002766000-memory.dmp

            Filesize

            88KB

          • memory/2852-27-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-28-0x0000000008280000-0x0000000008290000-memory.dmp

            Filesize

            64KB

          • memory/2852-29-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-33-0x0000000006E40000-0x0000000006E50000-memory.dmp

            Filesize

            64KB

          • memory/2852-32-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-35-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-31-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-37-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-38-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-39-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-36-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-40-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-42-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-43-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-44-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-46-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-47-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-15-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-12-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-108-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-107-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-105-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-103-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-104-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-102-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-101-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-100-0x0000000002B50000-0x0000000002B60000-memory.dmp

            Filesize

            64KB

          • memory/2852-98-0x0000000002AF0000-0x0000000002B00000-memory.dmp

            Filesize

            64KB

          • memory/2852-99-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-93-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-97-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-96-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-16-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-94-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-26-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-92-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-90-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-89-0x0000000002B50000-0x0000000002B60000-memory.dmp

            Filesize

            64KB

          • memory/2852-13-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-87-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-73-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-86-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-76-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-75-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-77-0x0000000002AF0000-0x0000000002B00000-memory.dmp

            Filesize

            64KB

          • memory/2852-78-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-79-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-80-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-81-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-83-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-82-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2852-85-0x0000000006E30000-0x0000000006E40000-memory.dmp

            Filesize

            64KB

          • memory/2996-74-0x0000000005700000-0x0000000005710000-memory.dmp

            Filesize

            64KB

          • memory/2996-72-0x0000000005700000-0x0000000005710000-memory.dmp

            Filesize

            64KB

          • memory/2996-71-0x0000000074930000-0x00000000750E0000-memory.dmp

            Filesize

            7.7MB

          • memory/2996-69-0x0000000005700000-0x0000000005710000-memory.dmp

            Filesize

            64KB

          • memory/2996-68-0x0000000074930000-0x00000000750E0000-memory.dmp

            Filesize

            7.7MB

          • memory/2996-67-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/2996-66-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/2996-70-0x0000000005700000-0x0000000005710000-memory.dmp

            Filesize

            64KB

          • memory/3080-178-0x0000000000400000-0x000000000045A000-memory.dmp

            Filesize

            360KB

          • memory/4100-112-0x0000000074930000-0x00000000750E0000-memory.dmp

            Filesize

            7.7MB

          • memory/4100-53-0x0000000000DA0000-0x0000000000E22000-memory.dmp

            Filesize

            520KB

          • memory/4100-62-0x00000000115B0000-0x00000000115B6000-memory.dmp

            Filesize

            24KB

          • memory/4100-60-0x0000000005450000-0x0000000005460000-memory.dmp

            Filesize

            64KB

          • memory/4100-63-0x0000000074930000-0x00000000750E0000-memory.dmp

            Filesize

            7.7MB

          • memory/4100-57-0x00000000051C0000-0x00000000051CA000-memory.dmp

            Filesize

            40KB

          • memory/4100-56-0x0000000005450000-0x0000000005460000-memory.dmp

            Filesize

            64KB

          • memory/4100-55-0x0000000005240000-0x00000000052D2000-memory.dmp

            Filesize

            584KB

          • memory/4100-54-0x00000000057F0000-0x0000000005D94000-memory.dmp

            Filesize

            5.6MB

          • memory/4100-61-0x0000000010580000-0x000000001059A000-memory.dmp

            Filesize

            104KB

          • memory/4100-52-0x0000000074930000-0x00000000750E0000-memory.dmp

            Filesize

            7.7MB

          • memory/4100-58-0x0000000005740000-0x00000000057DC000-memory.dmp

            Filesize

            624KB

          • memory/4100-65-0x0000000005450000-0x0000000005460000-memory.dmp

            Filesize

            64KB

          • memory/4100-59-0x0000000002A50000-0x0000000002A90000-memory.dmp

            Filesize

            256KB

          • memory/4100-64-0x0000000005450000-0x0000000005460000-memory.dmp

            Filesize

            64KB

          • memory/4500-113-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/4500-111-0x0000000000400000-0x000000000062D000-memory.dmp

            Filesize

            2.2MB

          • memory/4500-109-0x0000000000400000-0x000000000062D000-memory.dmp

            Filesize

            2.2MB