Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 08:16

General

  • Target

    Invoice-BL. Payment TT $ 16945.99.exe

  • Size

    903KB

  • MD5

    eb7496ff2480e5b4fbd90e785a7328cd

  • SHA1

    0039713076f0ccb54bfea4fa060b62eada29d39e

  • SHA256

    d30d43ea8f103340a2307145035f404873d3d345f310dbeba6fa20f85d3fb790

  • SHA512

    fde7e0e55c266289eebb393f41985dfc7a61ffcda24822bb35163002750ea6f2d969c63650d78804a365e7fe967a3b585c18591ee72c5c14fbe2696ccab5fec1

  • SSDEEP

    24576:GyC4xOD82KiKPsBQJYJk2ObauajEwFOEB:txFtLkBQJYJk2uaNh

Malware Config

Extracted

Family

redline

Botnet

RL

C2

45.137.22.164:1912

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • Redline family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of web browsers 3 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.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice-BL. Payment TT $ 16945.99.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice-BL. Payment TT $ 16945.99.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\haYzNpEpfrrs.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\haYzNpEpfrrs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F2E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2808
    • C:\Users\Admin\AppData\Local\Temp\Invoice-BL. Payment TT $ 16945.99.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice-BL. Payment TT $ 16945.99.exe"
      2⤵
        PID:2604
      • C:\Users\Admin\AppData\Local\Temp\Invoice-BL. Payment TT $ 16945.99.exe
        "C:\Users\Admin\AppData\Local\Temp\Invoice-BL. Payment TT $ 16945.99.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp7F2E.tmp

      Filesize

      1KB

      MD5

      af367e4a6249bcd9651285cf77b779c7

      SHA1

      68b7ff8ae1a7e8570a2ce1da14cc17cf1e000eee

      SHA256

      4caffcf2a4fa026fadb0166ac9f27f59b3041d91f2ee4957477ed7d373d15fec

      SHA512

      202ec23d8920003d11afbc07e3c8a6ab297393af2fa46eac8a9515ba169d636ff01356d18c1a50527b9071a8ed5d74b17ea010fa8042dd95d2eb133b0c8c95a6

    • memory/2240-24-0x00000000744E0000-0x0000000074BCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2240-1-0x00000000002D0000-0x00000000003B8000-memory.dmp

      Filesize

      928KB

    • memory/2240-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2240-3-0x0000000000760000-0x000000000077E000-memory.dmp

      Filesize

      120KB

    • memory/2240-4-0x00000000744EE000-0x00000000744EF000-memory.dmp

      Filesize

      4KB

    • memory/2240-5-0x00000000744E0000-0x0000000074BCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2240-6-0x0000000006220000-0x00000000062B6000-memory.dmp

      Filesize

      600KB

    • memory/2240-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

      Filesize

      4KB

    • memory/2784-23-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2784-21-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2784-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2784-18-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2784-16-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2784-14-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2784-12-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2784-22-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB