Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2024, 04:26

General

  • Target
    d1b4b083e0ea20a087018bde31c37a75.exe
  • Size 234KB
  • Sample240208-e2h4qabb4w
  • SHA256 a578ab8f490d32d4ec916f02ce6ed22ef4572bf21db481dcce5b1b2ccf228d92
  • 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

    .ldhy

  • offline_id

    pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1

  • 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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://we.tl/t-hPAqznkJKD Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0849ASdw

rsa_pubkey.plain

Signatures

  • Detect ZGRat V1 19 IoCs
  • Detected Djvu ransomware 9 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • .NET Reactor proctector 19 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 8 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 5 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 29 IoCs
  • Suspicious use of WriteProcessMemory 40 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\d1b4b083e0ea20a087018bde31c37a75.exe
    "C:\Users\Admin\AppData\Local\Temp\d1b4b083e0ea20a087018bde31c37a75.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1648
  • C:\Users\Admin\AppData\Local\Temp\ADF3.exe
    C:\Users\Admin\AppData\Local\Temp\ADF3.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:5024
  • C:\Users\Admin\AppData\Local\Temp\BCD9.exe
    C:\Users\Admin\AppData\Local\Temp\BCD9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Users\Admin\AppData\Local\Temp\BCD9.exe
      C:\Users\Admin\AppData\Local\Temp\BCD9.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\7779b5e3-833d-450a-9364-1a58bd1edf76" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1564
      • C:\Users\Admin\AppData\Local\Temp\BCD9.exe
        "C:\Users\Admin\AppData\Local\Temp\BCD9.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1912
        • C:\Users\Admin\AppData\Local\Temp\BCD9.exe
          "C:\Users\Admin\AppData\Local\Temp\BCD9.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Executes dropped EXE
          PID:2608
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 568
            5⤵
            • Program crash
            PID:3548
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2608 -ip 2608
    1⤵
      PID:4932
    • C:\Users\Admin\AppData\Local\Temp\53BB.exe
      C:\Users\Admin\AppData\Local\Temp\53BB.exe
      1⤵
      • Executes dropped EXE
      PID:2312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 1116
        2⤵
        • Program crash
        PID:4588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 1100
        2⤵
        • Program crash
        PID:4552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 1160
        2⤵
        • Program crash
        PID:2404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2312 -ip 2312
      1⤵
        PID:512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2312 -ip 2312
        1⤵
          PID:2628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2312 -ip 2312
          1⤵
            PID:624
          • C:\Users\Admin\AppData\Local\Temp\B247.exe
            C:\Users\Admin\AppData\Local\Temp\B247.exe
            1⤵
            • Checks computer location settings
            • Drops startup file
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:396
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
              2⤵
              • Executes dropped EXE
              PID:4772
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 2264
              2⤵
              • Program crash
              PID:2976
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 396 -ip 396
            1⤵
              PID:4760

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  53BB.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\53BB.exe
                  • Size 3.2MB
                  • SHA256 f2a9f8bb070263e559379c778fb81204bf9bf1bfc3d366fc11cb48584c4fde3c
                  • MD5 SHA1 SHA512 SSDEEP

                  53BB.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\53BB.exe
                  • Size 3.4MB
                  • SHA256 2bf6a9598545d9352f7dcfbaa24f426812e06436720b54571ca4cff90bf82af0
                  • MD5 SHA1 SHA512 SSDEEP

                  ADF3.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\ADF3.exe
                  • Size 234KB
                  • SHA256 a578ab8f490d32d4ec916f02ce6ed22ef4572bf21db481dcce5b1b2ccf228d92
                  • MD5 SHA1 SHA512 SSDEEP

                  B247.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\B247.exe
                  • Size 649KB
                  • SHA256 9217999518147c602f16ed7d80c9b95dec621f442192ce49192736a27e73847f
                  • MD5 SHA1 SHA512 SSDEEP

                  BCD9.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\BCD9.exe
                  • Size 733KB
                  • SHA256 e701ffa4d637b5a0dce41b547d1c7447a9fdc36198cd83c22a22a983ea828d40
                  • MD5 SHA1 SHA512 SSDEEP

                  qemu-ga.exe

                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
                  • Size 4KB
                  • SHA256 9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/396-126-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-1945-0x0000000005C10000-0x0000000005C22000-memory.dmp

                  memory/396-1976-0x0000000074C20000-0x00000000753D0000-memory.dmp

                  memory/396-1975-0x0000000000400000-0x00000000004C8000-memory.dmp

                  memory/396-1971-0x0000000000530000-0x0000000000630000-memory.dmp

                  memory/396-1972-0x0000000000400000-0x00000000004C8000-memory.dmp

                  memory/396-1957-0x0000000074C20000-0x00000000753D0000-memory.dmp

                  memory/396-1955-0x0000000008200000-0x000000000872C000-memory.dmp

                  memory/396-1954-0x0000000006E30000-0x0000000006FF2000-memory.dmp

                  memory/396-1953-0x0000000007390000-0x00000000073E0000-memory.dmp

                  memory/396-1952-0x00000000067D0000-0x00000000067EE000-memory.dmp

                  memory/396-1951-0x00000000066A0000-0x0000000006716000-memory.dmp

                  memory/396-1950-0x00000000065F0000-0x0000000006682000-memory.dmp

                  memory/396-1949-0x0000000005F20000-0x0000000005F86000-memory.dmp

                  memory/396-1948-0x0000000005DA0000-0x0000000005DEC000-memory.dmp

                  memory/396-1947-0x0000000005D40000-0x0000000005D7C000-memory.dmp

                  memory/396-1946-0x0000000005C30000-0x0000000005D3A000-memory.dmp

                  memory/396-95-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-1944-0x00000000055F0000-0x0000000005C08000-memory.dmp

                  memory/396-1943-0x0000000004E10000-0x0000000004E20000-memory.dmp

                  memory/396-116-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-124-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-118-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-120-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-122-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-114-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-106-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-108-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-110-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-112-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-104-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-102-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-86-0x0000000002160000-0x0000000002225000-memory.dmp

                  memory/396-87-0x0000000000400000-0x00000000004C8000-memory.dmp

                  memory/396-85-0x0000000000530000-0x0000000000630000-memory.dmp

                  memory/396-88-0x0000000004D50000-0x0000000004E00000-memory.dmp

                  memory/396-89-0x0000000074C20000-0x00000000753D0000-memory.dmp

                  memory/396-90-0x0000000004E10000-0x0000000004E20000-memory.dmp

                  memory/396-92-0x0000000004E10000-0x0000000004E20000-memory.dmp

                  memory/396-91-0x0000000004E10000-0x0000000004E20000-memory.dmp

                  memory/396-100-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-94-0x0000000005410000-0x00000000054BE000-memory.dmp

                  memory/396-93-0x0000000004E60000-0x0000000005404000-memory.dmp

                  memory/396-96-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/396-98-0x0000000005410000-0x00000000054B9000-memory.dmp

                  memory/1648-1-0x0000000000670000-0x0000000000770000-memory.dmp

                  memory/1648-3-0x0000000000400000-0x000000000044B000-memory.dmp

                  memory/1648-5-0x0000000000400000-0x000000000044B000-memory.dmp

                  memory/1648-2-0x00000000005F0000-0x00000000005FB000-memory.dmp

                  memory/1912-48-0x00000000020A0000-0x0000000002133000-memory.dmp

                  memory/2312-64-0x0000000001340000-0x0000000001341000-memory.dmp

                  memory/2312-74-0x0000000001380000-0x0000000001381000-memory.dmp

                  memory/2312-73-0x00000000003C0000-0x0000000000F1B000-memory.dmp

                  memory/2312-75-0x0000000001380000-0x0000000001381000-memory.dmp

                  memory/2312-62-0x0000000001300000-0x0000000001301000-memory.dmp

                  memory/2312-63-0x0000000001310000-0x0000000001311000-memory.dmp

                  memory/2312-65-0x0000000001350000-0x0000000001351000-memory.dmp

                  memory/2312-77-0x0000000001380000-0x0000000001381000-memory.dmp

                  memory/2312-68-0x00000000003C0000-0x0000000000F1B000-memory.dmp

                  memory/2312-67-0x0000000001370000-0x0000000001371000-memory.dmp

                  memory/2312-66-0x0000000001360000-0x0000000001361000-memory.dmp

                  memory/2312-79-0x00000000003C0000-0x0000000000F1B000-memory.dmp

                  memory/2312-76-0x0000000001380000-0x0000000001381000-memory.dmp

                  memory/2608-54-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/2608-52-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/2608-51-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/3568-4-0x0000000002440000-0x0000000002456000-memory.dmp

                  memory/3568-40-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

                  memory/4772-1977-0x00007FFCA0290000-0x00007FFCA0D51000-memory.dmp

                  memory/4772-1973-0x00007FFCA0290000-0x00007FFCA0D51000-memory.dmp

                  memory/4772-1970-0x0000000000CD0000-0x0000000000CD8000-memory.dmp

                  memory/4888-23-0x0000000002150000-0x00000000021E7000-memory.dmp

                  memory/4888-24-0x00000000022F0000-0x000000000240B000-memory.dmp

                  memory/4980-27-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/4980-25-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/4980-28-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/4980-29-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/4980-45-0x0000000000400000-0x0000000000537000-memory.dmp

                  memory/5024-17-0x0000000000400000-0x000000000044B000-memory.dmp

                  memory/5024-41-0x0000000000400000-0x000000000044B000-memory.dmp

                  memory/5024-16-0x00000000006F0000-0x00000000007F0000-memory.dmp