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Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    11/12/2023, 07:09

General

  • Target

    4uZ060Ph.exe

  • Size

    37KB

  • MD5

    8837a89b82d0d3b0259cc9f47b2e599b

  • SHA1

    51dd86a6a717a8f1470fff7a65f96c983aa71f09

  • SHA256

    ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701

  • SHA512

    4a6c660c78bc99916d68978243f1140203a5805a3a7ae7a1749c609bd5aaf06b9ac253c09c0a206acdb832b45bc1ab700a5beb98024131779a45c70b53c7bc71

  • SSDEEP

    768:d8n3N4JRqwg8UTB+8zx70f0PSuopLwlFFWO7:dmN4JRrg8ypxSKFFX

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://81.19.131.34/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

LiveTraffic

C2

77.105.132.87:6731

Signatures

  • 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.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 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.

  • 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 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\4uZ060Ph.exe
    "C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2376
  • C:\Users\Admin\AppData\Local\Temp\5ADC.exe
    C:\Users\Admin\AppData\Local\Temp\5ADC.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2540
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9C06A4D2-BB51-43E8-BC61-3BB531BA8F40} S-1-5-21-2058106572-1146578376-825901627-1000:LPKQNNGV\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Roaming\ihhisda
      C:\Users\Admin\AppData\Roaming\ihhisda
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5ADC.exe

    Filesize

    401KB

    MD5

    f88edad62a7789c2c5d8047133da5fa7

    SHA1

    41b1f056cdda764a1c7c402c6fa4f8ab2f3ce5f9

    SHA256

    eb2b1ce5574096b91eb9e0482117d2518ab188c0747a209dc77e88d30bb970dc

    SHA512

    e2d5b0ace5dfd3bd2321b2a42b7e7725071ca440389dc5ef12720a34727ae84c2907cd7befeae5d53568d9deaee8443f4cbda44b598cfc9b6316d9389be09a60

  • C:\Users\Admin\AppData\Roaming\ihhisda

    Filesize

    37KB

    MD5

    8837a89b82d0d3b0259cc9f47b2e599b

    SHA1

    51dd86a6a717a8f1470fff7a65f96c983aa71f09

    SHA256

    ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701

    SHA512

    4a6c660c78bc99916d68978243f1140203a5805a3a7ae7a1749c609bd5aaf06b9ac253c09c0a206acdb832b45bc1ab700a5beb98024131779a45c70b53c7bc71

  • memory/1364-1-0x0000000002CF0000-0x0000000002D06000-memory.dmp

    Filesize

    88KB

  • memory/1364-25-0x0000000003C50000-0x0000000003C66000-memory.dmp

    Filesize

    88KB

  • memory/1860-24-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1860-26-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2376-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2376-2-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2540-17-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-18-0x0000000007630000-0x0000000007670000-memory.dmp

    Filesize

    256KB

  • memory/2540-20-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-21-0x0000000007630000-0x0000000007670000-memory.dmp

    Filesize

    256KB

  • memory/2540-12-0x00000000000F0000-0x000000000012C000-memory.dmp

    Filesize

    240KB

  • memory/2540-31-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB