Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/01/2024, 06:06

General

  • Target
    toolspub1.exe
  • Size 237KB
  • Sample240120-gtrf8sdcf5
  • SHA256 6207b75fcdf5bc8bcc175059439eddddb37fe1c2e40b73a680a4374b8a495e9b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://trad-einmyus.com/index.php

  • http://tradein-myus.com/index.php

  • http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family
  • djvu

C2
  • http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-FCWSCsjEWS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0844OSkw

rsa_pubkey.plain

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 45.15.156.60:12050

Extracted

Family
  • redline

Botnet
  • ST12

C2
  • 185.172.128.33:38294

Signatures

  • Detect ZGRat V1 23 IoCs
  • Detected Djvu ransomware 10 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • RedLine

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

  • RedLine payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 13 IoCs
  • Modifies file permissions 1 TTPs 1 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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\toolspub1.exe
    "C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1796
  • C:\Users\Admin\AppData\Local\Temp\2C3B.exe
    C:\Users\Admin\AppData\Local\Temp\2C3B.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:452
  • C:\Users\Admin\AppData\Local\Temp\79B0.exe
    C:\Users\Admin\AppData\Local\Temp\79B0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\79B0.exe
      C:\Users\Admin\AppData\Local\Temp\79B0.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\1cdeab87-ab02-44f7-b41d-e427e9f1262a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2492
      • C:\Users\Admin\AppData\Local\Temp\79B0.exe
        "C:\Users\Admin\AppData\Local\Temp\79B0.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:820
        • C:\Users\Admin\AppData\Local\Temp\79B0.exe
          "C:\Users\Admin\AppData\Local\Temp\79B0.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Executes dropped EXE
          PID:4860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 568
            5⤵
            • Program crash
            PID:4212
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4860 -ip 4860
    1⤵
      PID:1020
    • C:\Users\Admin\AppData\Local\Temp\90D3.exe
      C:\Users\Admin\AppData\Local\Temp\90D3.exe
      1⤵
      • Executes dropped EXE
      PID:4616
    • C:\Users\Admin\AppData\Local\Temp\AFE5.exe
      C:\Users\Admin\AppData\Local\Temp\AFE5.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Users\Admin\AppData\Local\Temp\AFE5.exe
        C:\Users\Admin\AppData\Local\Temp\AFE5.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1812
    • C:\Users\Admin\AppData\Local\Temp\BD25.exe
      C:\Users\Admin\AppData\Local\Temp\BD25.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4252
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4880
    • C:\Users\Admin\AppData\Local\Temp\C832.exe
      C:\Users\Admin\AppData\Local\Temp\C832.exe
      1⤵
      • Executes dropped EXE
      PID:3944
    • C:\Users\Admin\AppData\Local\Temp\D320.exe
      C:\Users\Admin\AppData\Local\Temp\D320.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1764
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3136
    • C:\Users\Admin\AppData\Local\Temp\3CD7.exe
      C:\Users\Admin\AppData\Local\Temp\3CD7.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:3360
      • C:\Users\Admin\AppData\Local\IdentityReference\iskotds\HostFile.exe
        C:\Users\Admin\AppData\Local\IdentityReference\iskotds\HostFile.exe
        1⤵
        • Executes dropped EXE
        PID:2032

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            AFE5.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\AFE5.exe.log
            • Size 1KB
            • SHA256 d0630b8466cebaaf92533826f6547b6f36a3c480848dc38d650acd52b522a097
            • MD5 SHA1 SHA512

            2C3B.exe

            • Path C:\Users\Admin\AppData\Local\Temp\2C3B.exe
            • Size 237KB
            • SHA256 6207b75fcdf5bc8bcc175059439eddddb37fe1c2e40b73a680a4374b8a495e9b
            • MD5 SHA1 SHA512 SSDEEP

            3CD7.exe

            • Path C:\Users\Admin\AppData\Local\Temp\3CD7.exe
            • Size 1.5MB
            • SHA256 df745498beb66de29aa9efa2356e6d18e59c37e498cfaa64d130551f0f96a5cb
            • MD5 SHA1 SHA512 SSDEEP

            79B0.exe

            • Path C:\Users\Admin\AppData\Local\Temp\79B0.exe
            • Size 769KB
            • SHA256 5e19952acedb1da68215069d44ce1f3d48da10491151003148f1cceab03f1073
            • MD5 SHA1 SHA512 SSDEEP

            90D3.exe

            • Path C:\Users\Admin\AppData\Local\Temp\90D3.exe
            • Size 5.3MB
            • SHA256 883e014f638041cc942d1125a65846156b6a0af20f3a27883817ecc2ab0d6727
            • MD5 SHA1 SHA512 SSDEEP

            AFE5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\AFE5.exe
            • Size 1.1MB
            • SHA256 9585e68cffb41a05fa3ede498a092a359ac0b5002179353e23292b0a9fcfd1aa
            • MD5 SHA1 SHA512 SSDEEP

            AFE5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\AFE5.exe
            • Size 1.5MB
            • SHA256 892058240bc6a2ed5877e406fd7e4e8e8ed7df1c2a89a82f5ffa9f62824730a5
            • MD5 SHA1 SHA512 SSDEEP

            BD25.exe

            • Path C:\Users\Admin\AppData\Local\Temp\BD25.exe
            • Size 341KB
            • SHA256 9b102f2285c92fdb90472887b18b96b50e6f4382e27f39bbb708afdf08b11d6b
            • MD5 SHA1 SHA512 SSDEEP

            C832.exe

            • Path C:\Users\Admin\AppData\Local\Temp\C832.exe
            • Size 1.6MB
            • SHA256 48e624ef1fe5f5fcddf9658d4f7f4933041bb719d47448a4a8b0736a86535402
            • MD5 SHA1 SHA512 SSDEEP

            D320.exe

            • Path C:\Users\Admin\AppData\Local\Temp\D320.exe
            • Size 3.0MB
            • SHA256 e6ae5b6acc33e5a048513f1a6b34992cd1f3e6f2e4b05d31ba713d53bee52d17
            • MD5 SHA1 SHA512 SSDEEP

            memory/452-18-0x0000000000400000-0x000000000085E000-memory.dmp

            memory/452-20-0x0000000000400000-0x000000000085E000-memory.dmp

            memory/452-17-0x0000000000980000-0x0000000000A80000-memory.dmp

            memory/820-50-0x0000000002130000-0x00000000021CD000-memory.dmp

            memory/1296-28-0x00000000020D0000-0x000000000216F000-memory.dmp

            memory/1296-29-0x0000000002240000-0x000000000235B000-memory.dmp

            memory/1784-1056-0x0000025C57640000-0x0000025C5770A000-memory.dmp

            memory/1784-97-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-1063-0x00007FFE245B0000-0x00007FFE25071000-memory.dmp

            memory/1784-1057-0x0000025C3D3E0000-0x0000025C3D42C000-memory.dmp

            memory/1784-1055-0x0000025C3D300000-0x0000025C3D301000-memory.dmp

            memory/1784-1054-0x0000025C57630000-0x0000025C57640000-memory.dmp

            memory/1784-119-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-117-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-115-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-113-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-111-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-109-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-107-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-105-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-103-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-101-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-99-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-77-0x0000025C3CDE0000-0x0000025C3CF68000-memory.dmp

            memory/1784-78-0x00007FFE245B0000-0x00007FFE25071000-memory.dmp

            memory/1784-79-0x0000025C57460000-0x0000025C57592000-memory.dmp

            memory/1784-80-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-81-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-83-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-85-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-87-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-89-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-91-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-93-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1784-95-0x0000025C57460000-0x0000025C5758C000-memory.dmp

            memory/1796-3-0x0000000000400000-0x000000000085E000-memory.dmp

            memory/1796-8-0x0000000002460000-0x000000000246B000-memory.dmp

            memory/1796-1-0x00000000009B0000-0x0000000000AB0000-memory.dmp

            memory/1796-2-0x0000000002460000-0x000000000246B000-memory.dmp

            memory/1796-5-0x0000000000400000-0x000000000085E000-memory.dmp

            memory/1812-3313-0x000002B721780000-0x000002B721788000-memory.dmp

            memory/1812-1062-0x0000000000400000-0x00000000004AA000-memory.dmp

            memory/1812-1065-0x000002B723180000-0x000002B723190000-memory.dmp

            memory/1812-1066-0x000002B73B880000-0x000002B73B966000-memory.dmp

            memory/1812-1064-0x00007FFE245B0000-0x00007FFE25071000-memory.dmp

            memory/1812-2202-0x00007FFE245B0000-0x00007FFE25071000-memory.dmp

            memory/1812-2855-0x000002B723180000-0x000002B723190000-memory.dmp

            memory/2444-30-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/2444-33-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/2444-47-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/2444-34-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/2444-32-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/3136-2196-0x0000000000930000-0x0000000000984000-memory.dmp

            memory/3136-3298-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/3136-2195-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/3136-2203-0x0000000005040000-0x0000000005050000-memory.dmp

            memory/3440-19-0x0000000008AB0000-0x0000000008AC6000-memory.dmp

            memory/3440-4-0x0000000002F40000-0x0000000002F56000-memory.dmp

            memory/4252-173-0x0000000004E90000-0x0000000004EA0000-memory.dmp

            memory/4252-161-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4252-1788-0x0000000002930000-0x0000000004930000-memory.dmp

            memory/4252-163-0x0000000000480000-0x00000000004DA000-memory.dmp

            memory/4252-193-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4252-194-0x0000000002930000-0x0000000004930000-memory.dmp

            memory/4328-2184-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4328-2156-0x0000000000DF0000-0x0000000000F6C000-memory.dmp

            memory/4328-2167-0x00000000057C0000-0x00000000057D0000-memory.dmp

            memory/4328-2186-0x00000000030A0000-0x00000000050A0000-memory.dmp

            memory/4328-2159-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4616-71-0x0000000003640000-0x0000000003672000-memory.dmp

            memory/4616-72-0x0000000000D70000-0x0000000001624000-memory.dmp

            memory/4616-68-0x0000000003640000-0x0000000003672000-memory.dmp

            memory/4616-70-0x0000000003640000-0x0000000003672000-memory.dmp

            memory/4616-69-0x0000000003640000-0x0000000003672000-memory.dmp

            memory/4616-63-0x0000000000D70000-0x0000000001624000-memory.dmp

            memory/4616-65-0x0000000003630000-0x0000000003631000-memory.dmp

            memory/4616-66-0x0000000000D70000-0x0000000001624000-memory.dmp

            memory/4860-53-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/4860-54-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/4860-56-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/4880-295-0x0000000005610000-0x000000000564C000-memory.dmp

            memory/4880-272-0x00000000063F0000-0x0000000006A08000-memory.dmp

            memory/4880-2068-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4880-2100-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4880-1478-0x00000000082A0000-0x00000000082F0000-memory.dmp

            memory/4880-330-0x00000000057A0000-0x00000000057EC000-memory.dmp

            memory/4880-1298-0x0000000007CD0000-0x0000000007E92000-memory.dmp

            memory/4880-287-0x00000000055B0000-0x00000000055C2000-memory.dmp

            memory/4880-284-0x0000000005690000-0x000000000579A000-memory.dmp

            memory/4880-1124-0x0000000005EC0000-0x0000000005F26000-memory.dmp

            memory/4880-230-0x00000000053D0000-0x00000000053DA000-memory.dmp

            memory/4880-219-0x0000000005450000-0x0000000005460000-memory.dmp

            memory/4880-203-0x0000000005310000-0x00000000053A2000-memory.dmp

            memory/4880-200-0x0000000074EA0000-0x0000000075650000-memory.dmp

            memory/4880-196-0x0000000005820000-0x0000000005DC4000-memory.dmp

            memory/4880-191-0x0000000000400000-0x0000000000454000-memory.dmp

            memory/4880-1309-0x00000000083D0000-0x00000000088FC000-memory.dmp