Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-07-2024 01:49

General

  • Target

    c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe

  • Size

    2.5MB

  • MD5

    5d86465e46f3f4908c9a46d5d01d4e71

  • SHA1

    75edb31f75d72a97a69537263bbe80bb67747d4a

  • SHA256

    c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204

  • SHA512

    d1f2817cda26c758b82168b2640d9bc16b17d3ad5e2d2724c8d3f54542f4437bb49132cc39d905f3e7b4b1b4800f800158bc1c15644c0b1668bff81c00d751ce

  • SSDEEP

    12288:WpsNYpx8SP/SicSylpH76uoRUxDK/Hpt9kBJGcK/:8sSpbnSictuuoRUxgtc5K/

Malware Config

Extracted

Family

redline

Botnet

halle

C2

194.55.186.180:55123

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 5 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe
    "C:\Users\Admin\AppData\Local\Temp\c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1968
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c381309bd93b871a4ffecad472cb82fa30387ea32f31ca0fa23ee261aa4ad204.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1968 -s 680
      2⤵
        PID:2696

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp54F5.tmp

      Filesize

      46KB

      MD5

      02d2c46697e3714e49f46b680b9a6b83

      SHA1

      84f98b56d49f01e9b6b76a4e21accf64fd319140

      SHA256

      522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

      SHA512

      60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

    • C:\Users\Admin\AppData\Local\Temp\tmp550B.tmp

      Filesize

      92KB

      MD5

      bbe71b58e84c50336ee2d3bad3609c39

      SHA1

      bdd3227b48977e583127425cbc2f86ff4077ba10

      SHA256

      b25b7e57924b2382d3178696782b51fa62b68fa7e763081d7a53471cccc1ff3c

      SHA512

      07fcac6778f114fb372dac7ed489624b8e0aed347bc14af77ec36b5201df8b3d99e2a69a384756606030bb146f5c0780f39a274dc5a4b4f6863746ec7fa2ca2a

    • memory/1968-1-0x0000000001150000-0x000000000116E000-memory.dmp

      Filesize

      120KB

    • memory/1968-2-0x000000001B120000-0x000000001B13E000-memory.dmp

      Filesize

      120KB

    • memory/1968-3-0x00000000004D0000-0x0000000000540000-memory.dmp

      Filesize

      448KB

    • memory/1968-4-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

      Filesize

      9.9MB

    • memory/1968-103-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

      Filesize

      9.9MB

    • memory/1968-102-0x000007FEF5363000-0x000007FEF5364000-memory.dmp

      Filesize

      4KB

    • memory/1968-0-0x000007FEF5363000-0x000007FEF5364000-memory.dmp

      Filesize

      4KB

    • memory/2536-9-0x0000000002D90000-0x0000000002E10000-memory.dmp

      Filesize

      512KB

    • memory/2536-10-0x000000001B830000-0x000000001BB12000-memory.dmp

      Filesize

      2.9MB

    • memory/2536-11-0x0000000001E70000-0x0000000001E78000-memory.dmp

      Filesize

      32KB

    • memory/2672-21-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2672-16-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2672-23-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2672-22-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2672-18-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2672-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2672-12-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2672-14-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB