Overview

overview

10

Static

static

b87200fd33...e3.exe

windows7_x64

10

b87200fd33...e3.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23-08-2021 13:56

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General

  • Target

    b87200fd33230fb9a0c284b030ca1c07f5b63c379531de918c7da6288281c5e3.exe

  • Size

    277KB

  • MD5

    417141e9d2e0fed64579e7ae12507eac

  • SHA1

    51142084ed69f120bd232ee82aebb7aa45382359

  • SHA256

    b87200fd33230fb9a0c284b030ca1c07f5b63c379531de918c7da6288281c5e3

  • SHA512

    bc15667948b9afce15a8f8142f06c5a60f75827a5ca0bd1e4790cd92de76adfa4de15a3c3bff0eac6663f7e2df9c42a1635d67d73f86905a77dff70ba0064c52

Score
10/10
redlinesmokeloaderbackdoordiscoveryevasioninfostealerspywarestealersuricatathemidatrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/
rc4.i32
rc4.i32

Signatures

  • RedLine

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

    infostealerredline
  • RedLine Payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b87200fd33230fb9a0c284b030ca1c07f5b63c379531de918c7da6288281c5e3.exe
    "C:\Users\Admin\AppData\Local\Temp\b87200fd33230fb9a0c284b030ca1c07f5b63c379531de918c7da6288281c5e3.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1420
  • C:\Users\Admin\AppData\Local\Temp\15D2.exe
    C:\Users\Admin\AppData\Local\Temp\15D2.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\15D2.exe
    MD5

    1f6e49e83b13758948915b43fb388a94

    SHA1

    c38876024e6e3cf46f804fc3d0aca553a263ffaf

    SHA256

    624cfab55296eb7e9d73d9478455f96d4861ca92d45677909a7f2fb8532b1f63

    SHA512

    462ed0fe61a8884bc337f7f970ab29c5e3b9dbe29a075fa385630febebfc8d0c0075cec46f4138c89667d4320c63fe296ec48fe6e82a895c02c33ea3441ca85f

    Download Submit

  • memory/432-64-0x0000000000000000-mapping.dmp

    Download

  • memory/432-68-0x00000000013C0000-0x00000000013C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/432-70-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1288-63-0x0000000002D50000-0x0000000002D66000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1420-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1420-61-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1420-62-0x0000000000400000-0x00000000023AF000-memory.dmp

    Filesize

    31.7MB

    Download