Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    15/11/2021, 08:12

General

  • Target
    f6839a3fcf7ceceb2de4bc8660cb5217.exe
  • Size 220KB
  • Sample211115-j3valaeeem
  • SHA256 3d609b245011159c0eeced43065a077488fbdb4273db8e2a93daff79392dc68e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family
  • redline

C2
  • 185.159.80.90:38637

Extracted

Family
  • redline

Botnet
  • SuperStar

C2
  • 185.215.113.29:36224

Extracted

Family
  • raccoon

Version
  • 1.8.3-hotfix

Botnet
  • ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 7 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 4 IoCs
  • 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: GetForegroundWindowSpam 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6839a3fcf7ceceb2de4bc8660cb5217.exe
    "C:\Users\Admin\AppData\Local\Temp\f6839a3fcf7ceceb2de4bc8660cb5217.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Users\Admin\AppData\Local\Temp\f6839a3fcf7ceceb2de4bc8660cb5217.exe
      "C:\Users\Admin\AppData\Local\Temp\f6839a3fcf7ceceb2de4bc8660cb5217.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1368
  • C:\Users\Admin\AppData\Local\Temp\D95E.exe
    C:\Users\Admin\AppData\Local\Temp\D95E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\D95E.exe
      C:\Users\Admin\AppData\Local\Temp\D95E.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:736
  • C:\Users\Admin\AppData\Local\Temp\DF68.exe
    C:\Users\Admin\AppData\Local\Temp\DF68.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\DF68.exe
      C:\Users\Admin\AppData\Local\Temp\DF68.exe
      2⤵
      • Executes dropped EXE
      PID:1092
    • C:\Users\Admin\AppData\Local\Temp\DF68.exe
      C:\Users\Admin\AppData\Local\Temp\DF68.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1764
  • C:\Users\Admin\AppData\Local\Temp\E294.exe
    C:\Users\Admin\AppData\Local\Temp\E294.exe
    1⤵
    • Executes dropped EXE
    PID:1608
  • C:\Users\Admin\AppData\Local\Temp\E62D.exe
    C:\Users\Admin\AppData\Local\Temp\E62D.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\E62D.exe
      C:\Users\Admin\AppData\Local\Temp\E62D.exe
      2⤵
      • Executes dropped EXE
      PID:1968
  • C:\Users\Admin\AppData\Local\Temp\EAB1.exe
    C:\Users\Admin\AppData\Local\Temp\EAB1.exe
    1⤵
    • Executes dropped EXE
    PID:1728
  • C:\Users\Admin\AppData\Local\Temp\F730.exe
    C:\Users\Admin\AppData\Local\Temp\F730.exe
    1⤵
    • Executes dropped EXE
    PID:876
  • C:\Users\Admin\AppData\Local\Temp\7A5.exe
    C:\Users\Admin\AppData\Local\Temp\7A5.exe
    1⤵
    • Executes dropped EXE
    PID:2016

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/876-106-0x0000000000DC0000-0x0000000000E20000-memory.dmp

        memory/1268-73-0x0000000000A40000-0x0000000000A41000-memory.dmp

        memory/1268-79-0x0000000004620000-0x0000000004621000-memory.dmp

        memory/1296-72-0x0000000000220000-0x0000000000228000-memory.dmp

        memory/1340-59-0x0000000000230000-0x0000000000239000-memory.dmp

        memory/1340-58-0x0000000000220000-0x0000000000228000-memory.dmp

        memory/1352-103-0x00000000041E0000-0x00000000041F6000-memory.dmp

        memory/1352-60-0x0000000001DD0000-0x0000000001DE6000-memory.dmp

        memory/1368-57-0x0000000075D31000-0x0000000075D33000-memory.dmp

        memory/1368-55-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1548-95-0x0000000000280000-0x00000000002B0000-memory.dmp

        memory/1548-94-0x0000000000220000-0x0000000000242000-memory.dmp

        memory/1608-82-0x00000000001C0000-0x00000000001C8000-memory.dmp

        memory/1608-81-0x0000000000400000-0x0000000000433000-memory.dmp

        memory/1608-84-0x00000000001D0000-0x00000000001D9000-memory.dmp

        memory/1728-109-0x0000000000300000-0x000000000038F000-memory.dmp

        memory/1728-119-0x0000000000400000-0x0000000002B85000-memory.dmp

        memory/1728-107-0x0000000002C7B000-0x0000000002CCA000-memory.dmp

        memory/1764-113-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1764-117-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1764-120-0x00000000006E0000-0x00000000006E1000-memory.dmp

        memory/1764-114-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1764-112-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1764-110-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1764-111-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1968-97-0x00000000021F1000-0x00000000021F2000-memory.dmp

        memory/1968-96-0x0000000000400000-0x0000000000433000-memory.dmp

        memory/1968-98-0x00000000021F2000-0x00000000021F3000-memory.dmp

        memory/1968-93-0x0000000000530000-0x000000000054B000-memory.dmp

        memory/1968-99-0x00000000021F3000-0x00000000021F4000-memory.dmp

        memory/1968-92-0x0000000000310000-0x000000000032C000-memory.dmp

        memory/1968-89-0x0000000000400000-0x0000000000433000-memory.dmp

        memory/1968-100-0x00000000021F4000-0x00000000021F6000-memory.dmp