Analysis

  • max time kernel
    150s
  • max time network
    131s
  • 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, 17:43

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.10092.exe

  • Size

    268KB

  • MD5

    ec3bd9d34fd06a8e83cb2a003e59a0eb

  • SHA1

    097a9f9fa54e0e6deefb394c5d8fbf2f3b94b7a7

  • SHA256

    06f3c31343921c5f63bc0803569db1a31f0ecdf6029f167dcc234754eabacc9b

  • SHA512

    4a07bebf79d47a817de90f4c58cd7488da55d56308c53a681eb8e87a99f1cc1c137162393baba598f4c871942ccd32b03c5e167afcb167783222c97899fb5aa4

  • SSDEEP

    6144:/2LuX8E/d2ltBWWIQ8CK95boCsh+eY24b:/LP/dwmWIQzKfoCaC

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 21 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 27 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.Win32.PWSX-gen.10092.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10092.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2964
  • C:\Users\Admin\AppData\Local\Temp\4DD.exe
    C:\Users\Admin\AppData\Local\Temp\4DD.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3352
    • 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:1472
      • 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:3192
    • 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:968

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\4DD.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\4DD.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • memory/968-41-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/968-37-0x0000000000400000-0x000000000062D000-memory.dmp

          Filesize

          2.2MB

        • memory/968-38-0x0000000000400000-0x000000000062D000-memory.dmp

          Filesize

          2.2MB

        • memory/1472-109-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/1472-33-0x00000000030B0000-0x00000000030C0000-memory.dmp

          Filesize

          64KB

        • memory/1472-30-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1472-31-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/1472-32-0x00000000030B0000-0x00000000030C0000-memory.dmp

          Filesize

          64KB

        • memory/1472-29-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1472-34-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/1472-36-0x00000000030B0000-0x00000000030C0000-memory.dmp

          Filesize

          64KB

        • memory/1472-35-0x00000000030B0000-0x00000000030C0000-memory.dmp

          Filesize

          64KB

        • memory/2964-5-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2964-1-0x00000000009B0000-0x0000000000AB0000-memory.dmp

          Filesize

          1024KB

        • memory/2964-3-0x0000000002460000-0x0000000002469000-memory.dmp

          Filesize

          36KB

        • memory/2964-2-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/3176-4-0x00000000028B0000-0x00000000028C6000-memory.dmp

          Filesize

          88KB

        • memory/3192-106-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/3192-108-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/3192-123-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/3192-121-0x000000000C6B0000-0x000000000CBDC000-memory.dmp

          Filesize

          5.2MB

        • memory/3192-120-0x000000000BFB0000-0x000000000C172000-memory.dmp

          Filesize

          1.8MB

        • memory/3192-119-0x000000000BC40000-0x000000000BC5E000-memory.dmp

          Filesize

          120KB

        • memory/3192-118-0x000000000ABB0000-0x000000000AC26000-memory.dmp

          Filesize

          472KB

        • memory/3192-117-0x000000000AAE0000-0x000000000AB30000-memory.dmp

          Filesize

          320KB

        • memory/3192-116-0x0000000009440000-0x00000000094A6000-memory.dmp

          Filesize

          408KB

        • memory/3192-115-0x0000000008B30000-0x0000000008B7C000-memory.dmp

          Filesize

          304KB

        • memory/3192-114-0x0000000008B90000-0x0000000008BCC000-memory.dmp

          Filesize

          240KB

        • memory/3192-113-0x0000000009330000-0x000000000943A000-memory.dmp

          Filesize

          1.0MB

        • memory/3192-112-0x0000000008AF0000-0x0000000008B02000-memory.dmp

          Filesize

          72KB

        • memory/3192-111-0x0000000009950000-0x0000000009F68000-memory.dmp

          Filesize

          6.1MB

        • memory/3192-110-0x00000000089D0000-0x00000000089E0000-memory.dmp

          Filesize

          64KB

        • memory/3352-21-0x0000000008030000-0x00000000080CC000-memory.dmp

          Filesize

          624KB

        • memory/3352-20-0x0000000005630000-0x000000000563A000-memory.dmp

          Filesize

          40KB

        • memory/3352-16-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/3352-17-0x0000000005B20000-0x00000000060C4000-memory.dmp

          Filesize

          5.6MB

        • memory/3352-18-0x0000000005570000-0x0000000005602000-memory.dmp

          Filesize

          584KB

        • memory/3352-19-0x0000000005750000-0x0000000005760000-memory.dmp

          Filesize

          64KB

        • memory/3352-40-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/3352-15-0x00000000006D0000-0x0000000000752000-memory.dmp

          Filesize

          520KB

        • memory/3352-28-0x0000000005750000-0x0000000005760000-memory.dmp

          Filesize

          64KB

        • memory/3352-22-0x0000000004F90000-0x0000000004FD0000-memory.dmp

          Filesize

          256KB

        • memory/3352-23-0x0000000005750000-0x0000000005760000-memory.dmp

          Filesize

          64KB

        • memory/3352-24-0x0000000074730000-0x0000000074EE0000-memory.dmp

          Filesize

          7.7MB

        • memory/3352-25-0x00000000096E0000-0x00000000096FA000-memory.dmp

          Filesize

          104KB

        • memory/3352-26-0x000000000B710000-0x000000000B716000-memory.dmp

          Filesize

          24KB

        • memory/3352-27-0x0000000005750000-0x0000000005760000-memory.dmp

          Filesize

          64KB