Overview

overview

10

Static

static

a724f74717...7f.exe

windows7_x64

10

a724f74717...7f.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27-09-2021 09:19

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General

  • Target

    a724f74717bcc081cf9ee74842f4ab7f.exe

  • Size

    134KB

  • MD5

    a724f74717bcc081cf9ee74842f4ab7f

  • SHA1

    486eda597eed80d2e9e169feb98cfd7ff858fce3

  • SHA256

    5ce23fd6639f4a6e53fb0b1c680dc0bfbd45533d43d8ca8feebf443b523a3e1c

  • SHA512

    18c2d5166ed63a6d342c15c5ef00e9d6e014feb8cab2d7e7218461c84f54c4ee44086691ea0f02994a121d733850ce2468bab75a4447903dc3ca2f1231b8cda4

Score
10/10
raccoonsmokeloadertofseexmrigc524886d28411e80660e573d1de51f17556d70f6backdoordiscoveryevasionminerpersistencespywarestealersuricatatrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/
rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

c524886d28411e80660e573d1de51f17556d70f6

Attributes
  • url4cnc

    https://t.me/hobabastrepsils

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Windows security bypass 2 TTPs
    evasiontrojan
  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata
  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • XMRig Miner Payload 3 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a724f74717bcc081cf9ee74842f4ab7f.exe
    "C:\Users\Admin\AppData\Local\Temp\a724f74717bcc081cf9ee74842f4ab7f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\a724f74717bcc081cf9ee74842f4ab7f.exe
      "C:\Users\Admin\AppData\Local\Temp\a724f74717bcc081cf9ee74842f4ab7f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2424
  • C:\Users\Admin\AppData\Local\Temp\EA66.exe
    C:\Users\Admin\AppData\Local\Temp\EA66.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ydmppfbp\
      2⤵
        PID:1104
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cjmkllbp.exe" C:\Windows\SysWOW64\ydmppfbp\
        2⤵
          PID:3232
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ydmppfbp binPath= "C:\Windows\SysWOW64\ydmppfbp\cjmkllbp.exe /d\"C:\Users\Admin\AppData\Local\Temp\EA66.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:3060
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ydmppfbp "wifi internet conection"
            2⤵
              PID:1568
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ydmppfbp
              2⤵
                PID:3748
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:2748
              • C:\Users\Admin\AppData\Local\Temp\EF39.exe
                C:\Users\Admin\AppData\Local\Temp\EF39.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2460
                • C:\Users\Admin\AppData\Local\Temp\EF39.exe
                  "C:\Users\Admin\AppData\Local\Temp\EF39.exe"
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:4040
              • C:\Windows\SysWOW64\ydmppfbp\cjmkllbp.exe
                C:\Windows\SysWOW64\ydmppfbp\cjmkllbp.exe /d"C:\Users\Admin\AppData\Local\Temp\EA66.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1672
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:1780
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1408
              • C:\Users\Admin\AppData\Roaming\dsvvbww
                C:\Users\Admin\AppData\Roaming\dsvvbww
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:3964
                • C:\Users\Admin\AppData\Roaming\dsvvbww
                  C:\Users\Admin\AppData\Roaming\dsvvbww
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  • Suspicious behavior: MapViewOfSection
                  PID:1072

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • memory/1408-164-0x0000000000E00000-0x0000000000EF1000-memory.dmp

                Filesize

                964KB

                Download

              • memory/1408-159-0x0000000000E00000-0x0000000000EF1000-memory.dmp

                Filesize

                964KB

                Download

              • memory/1588-118-0x0000000000880000-0x0000000000896000-memory.dmp

                Filesize

                88KB

                Download

              • memory/1588-169-0x0000000000910000-0x0000000000926000-memory.dmp

                Filesize

                88KB

                Download

              • memory/1672-154-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB

                Download

              • memory/1780-150-0x0000000000580000-0x0000000000595000-memory.dmp

                Filesize

                84KB

                Download

              • memory/1780-155-0x0000000000580000-0x0000000000595000-memory.dmp

                Filesize

                84KB

                Download

              • memory/2384-117-0x00000000004B0000-0x000000000055E000-memory.dmp

                Filesize

                696KB

                Download

              • memory/2424-115-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

                Download

              • memory/2460-132-0x0000000005620000-0x0000000005621000-memory.dmp

                Filesize

                4KB

                Download

              • memory/2460-128-0x00000000055C0000-0x00000000055DD000-memory.dmp

                Filesize

                116KB

                Download

              • memory/2460-125-0x0000000000C70000-0x0000000000C71000-memory.dmp

                Filesize

                4KB

                Download

              • memory/2460-126-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/2460-127-0x0000000005760000-0x0000000005761000-memory.dmp

                Filesize

                4KB

                Download

              • memory/2684-136-0x0000000000500000-0x0000000000513000-memory.dmp

                Filesize

                76KB

                Download

              • memory/2684-137-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB

                Download

              • memory/3964-168-0x0000000002080000-0x0000000002089000-memory.dmp

                Filesize

                36KB

                Download

              • memory/4040-133-0x0000000000400000-0x0000000000493000-memory.dmp

                Filesize

                588KB

                Download

              • memory/4040-129-0x0000000000400000-0x0000000000493000-memory.dmp

                Filesize

                588KB

                Download