Overview

overview

10

Static

static

5b17d68901...cd.exe

windows7_x64

10

5b17d68901...cd.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    16-08-2021 11:11

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General

  • Target

    5b17d689015c096af1a7fcb4973807cd.exe

  • Size

    180KB

  • MD5

    5b17d689015c096af1a7fcb4973807cd

  • SHA1

    41e3ec5c934dc452cc28ad030229824a4cbb1d9e

  • SHA256

    39894026621d1c5fabeca0fe3b0ba3fe2e97d99e17d50227ead4ac7c64ee080c

  • SHA512

    1962eaf95d355af1a1dd005afe5ab34f084f67b039040f609a8a854a30ce76d8aca7780cc7f53bb1dc663b57d2afe3cafced976ef50e9fcc07b79fa94a40cf4b

Score
10/10
redlinesmokeloaderbackdoorevasioninfostealerthemidatrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/
rc4.i32
rc4.i32

Signatures

  • RedLine

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

    infostealerredline
  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b17d689015c096af1a7fcb4973807cd.exe
    "C:\Users\Admin\AppData\Local\Temp\5b17d689015c096af1a7fcb4973807cd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\5b17d689015c096af1a7fcb4973807cd.exe
      "C:\Users\Admin\AppData\Local\Temp\5b17d689015c096af1a7fcb4973807cd.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2040
  • C:\Users\Admin\AppData\Local\Temp\5293.exe
    C:\Users\Admin\AppData\Local\Temp\5293.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:784
  • C:\Users\Admin\AppData\Local\Temp\5A9F.exe
    C:\Users\Admin\AppData\Local\Temp\5A9F.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1256

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5293.exe
    MD5

    1e0e17859c0a32b53ae0bafc4e55563b

    SHA1

    590ef228cac03f6da4bdbc1b7e40557d61a3a043

    SHA256

    76d03b8781c66aa25d74ec788dc9c1370ee01000926882c8be7f89f5dcb01d31

    SHA512

    4494ad485fb73538b3e6f5e8e94a073bdddaf6ac50877051078646828c80b71a1e50a09d0ce84f65b021cc1bb0b4d22f317c2eef0dc29513ee927a9c8e7cdf72

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\5A9F.exe
    MD5

    fa2170ab2dfa330d961cccf8e93c757b

    SHA1

    d3fd7ae0be7954a547169e29a44d467f14dfb340

    SHA256

    78f4272d2904fd5539aa41955c99968e0971e167a5d9b42389e9a51ab79cf1b0

    SHA512

    3880238681560639c153492eaf4a06fc738fed56e6cf3fb64ccd15f47046d04dccae17ff541a5eb32724b7af2a231169dc7c879eea54d2781fbc7429c1bedd4e

    Download Submit
  • memory/784-65-0x0000000000000000-mapping.dmp
    Download
  • memory/784-70-0x0000000002CD0000-0x0000000002CD1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/784-68-0x0000000000BD0000-0x0000000000BD1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1216-64-0x0000000003840000-0x0000000003856000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1256-71-0x0000000000000000-mapping.dmp
    Download
  • memory/1256-74-0x0000000000210000-0x0000000000211000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1256-76-0x0000000005600000-0x0000000005601000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1816-63-0x0000000000220000-0x000000000022A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2040-62-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2040-60-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/2040-61-0x0000000000402E1A-mapping.dmp
    Download