Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-09-2021 08:26

General

  • Target

    883233a1ae141a887d763b4cee1fed3a.exe

  • Size

    135KB

  • MD5

    883233a1ae141a887d763b4cee1fed3a

  • SHA1

    265cbafce6bd225dff0f3dd4e2792cd5e55ae677

  • SHA256

    948efd6ebccc98309252dee5d98879890e691fc416e6c3e969190f1273f4d61e

  • SHA512

    ac35bec37f6d011d4fff0cc32a4fbb7d4a6400f2323dbea0f49eefa099b056db9f16e376c8725d0e6edf7beb512edf111970fa993ca611200c6067651de5e546

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

C2

92.246.89.6:38437

Extracted

Family

raccoon

Botnet

a72c96f6762e4258a13dee8bc0dd14557df18467

Attributes
  • url4cnc

    https://t.me/h_wacel1new_1

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7

Attributes
  • url4cnc

    https://t.me/hcdrom1

rc4.plain
rc4.plain

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • 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 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

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

  • Windows security bypass 2 TTPs
  • xmrig

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

  • Arkei Stealer Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • XMRig Miner Payload 1 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 14 IoCs
  • Modifies registry class 2 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 FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\883233a1ae141a887d763b4cee1fed3a.exe
    "C:\Users\Admin\AppData\Local\Temp\883233a1ae141a887d763b4cee1fed3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Admin\AppData\Local\Temp\883233a1ae141a887d763b4cee1fed3a.exe
      "C:\Users\Admin\AppData\Local\Temp\883233a1ae141a887d763b4cee1fed3a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1116
  • C:\Users\Admin\AppData\Local\Temp\CB69.exe
    C:\Users\Admin\AppData\Local\Temp\CB69.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\CB69.exe
      C:\Users\Admin\AppData\Local\Temp\CB69.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4032
  • C:\Users\Admin\AppData\Local\Temp\CE39.exe
    C:\Users\Admin\AppData\Local\Temp\CE39.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Users\Admin\AppData\Local\Temp\CE39.exe
      C:\Users\Admin\AppData\Local\Temp\CE39.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2164
  • C:\Users\Admin\AppData\Local\Temp\D639.exe
    C:\Users\Admin\AppData\Local\Temp\D639.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3988
  • C:\Users\Admin\AppData\Local\Temp\E0F8.exe
    C:\Users\Admin\AppData\Local\Temp\E0F8.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\E0F8.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:4416
  • C:\Users\Admin\AppData\Local\Temp\EEE3.exe
    C:\Users\Admin\AppData\Local\Temp\EEE3.exe
    1⤵
    • Executes dropped EXE
    PID:2876
  • C:\Users\Admin\AppData\Local\Temp\F702.exe
    C:\Users\Admin\AppData\Local\Temp\F702.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3972
  • C:\Users\Admin\AppData\Local\Temp\FB97.exe
    C:\Users\Admin\AppData\Local\Temp\FB97.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 1304
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:528
  • C:\Users\Admin\AppData\Local\Temp\155.exe
    C:\Users\Admin\AppData\Local\Temp\155.exe
    1⤵
    • Executes dropped EXE
    PID:3976
    • C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe
      "C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"
      2⤵
      • Executes dropped EXE
      PID:4944
    • C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe
      "C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"
      2⤵
      • Executes dropped EXE
      PID:4976
    • C:\Users\Admin\AppData\Local\Temp\fbf.exe
      "C:\Users\Admin\AppData\Local\Temp\fbf.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Checks processor information in registry
      • Suspicious use of SetWindowsHookEx
      PID:5028
  • C:\Users\Admin\AppData\Local\Temp\6F3.exe
    C:\Users\Admin\AppData\Local\Temp\6F3.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fkfvrjfa\
      2⤵
        PID:4220
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vkxtfexj.exe" C:\Windows\SysWOW64\fkfvrjfa\
        2⤵
          PID:4344
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create fkfvrjfa binPath= "C:\Windows\SysWOW64\fkfvrjfa\vkxtfexj.exe /d\"C:\Users\Admin\AppData\Local\Temp\6F3.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:4468
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description fkfvrjfa "wifi internet conection"
            2⤵
              PID:4520
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start fkfvrjfa
              2⤵
                PID:4572
              • 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:4624
              • C:\Windows\SysWOW64\fkfvrjfa\vkxtfexj.exe
                C:\Windows\SysWOW64\fkfvrjfa\vkxtfexj.exe /d"C:\Users\Admin\AppData\Local\Temp\6F3.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:4672
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:4736
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                      PID:2360

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/804-201-0x0000000000400000-0x000000000044D000-memory.dmp

                  Filesize

                  308KB

                • memory/804-204-0x0000000000450000-0x00000000004FE000-memory.dmp

                  Filesize

                  696KB

                • memory/912-116-0x00000000005D0000-0x00000000005D9000-memory.dmp

                  Filesize

                  36KB

                • memory/996-163-0x0000000000400000-0x00000000004F1000-memory.dmp

                  Filesize

                  964KB

                • memory/996-162-0x0000000002070000-0x0000000002100000-memory.dmp

                  Filesize

                  576KB

                • memory/1116-114-0x0000000000400000-0x0000000000409000-memory.dmp

                  Filesize

                  36KB

                • memory/1540-128-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

                  Filesize

                  4KB

                • memory/1540-127-0x00000000022A0000-0x00000000022A1000-memory.dmp

                  Filesize

                  4KB

                • memory/1540-126-0x0000000002380000-0x0000000002381000-memory.dmp

                  Filesize

                  4KB

                • memory/1540-124-0x0000000000020000-0x0000000000021000-memory.dmp

                  Filesize

                  4KB

                • memory/1540-129-0x0000000002280000-0x00000000022F6000-memory.dmp

                  Filesize

                  472KB

                • memory/2164-160-0x00000000052F0000-0x00000000058F6000-memory.dmp

                  Filesize

                  6.0MB

                • memory/2164-146-0x0000000000400000-0x0000000000422000-memory.dmp

                  Filesize

                  136KB

                • memory/2332-223-0x0000000000520000-0x00000000005CE000-memory.dmp

                  Filesize

                  696KB

                • memory/2332-224-0x0000000000400000-0x00000000004AD000-memory.dmp

                  Filesize

                  692KB

                • memory/2740-117-0x0000000001070000-0x0000000001086000-memory.dmp

                  Filesize

                  88KB

                • memory/2740-161-0x0000000003130000-0x0000000003146000-memory.dmp

                  Filesize

                  88KB

                • memory/2876-169-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

                  Filesize

                  4KB

                • memory/2876-174-0x0000000000FF0000-0x0000000001783000-memory.dmp

                  Filesize

                  7.6MB

                • memory/2876-172-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                  Filesize

                  4KB

                • memory/2876-173-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

                  Filesize

                  4KB

                • memory/2876-171-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

                  Filesize

                  4KB

                • memory/2876-168-0x0000000000A80000-0x0000000000A81000-memory.dmp

                  Filesize

                  4KB

                • memory/2876-170-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

                  Filesize

                  4KB

                • memory/3972-185-0x0000000000880000-0x0000000000881000-memory.dmp

                  Filesize

                  4KB

                • memory/3972-202-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

                  Filesize

                  4KB

                • memory/3972-199-0x00000000778A0000-0x0000000077A2E000-memory.dmp

                  Filesize

                  1.6MB

                • memory/3976-211-0x00000000009F0000-0x00000000009F1000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-175-0x0000000007580000-0x0000000007581000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-145-0x0000000003A10000-0x0000000003A11000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-221-0x0000000009430000-0x0000000009431000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-182-0x0000000007A90000-0x0000000007A91000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-137-0x0000000000B70000-0x0000000000B71000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-139-0x0000000006250000-0x0000000006251000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-180-0x0000000007750000-0x0000000007751000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-144-0x00000000778A0000-0x0000000077A2E000-memory.dmp

                  Filesize

                  1.6MB

                • memory/3988-140-0x0000000005C60000-0x0000000005C61000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-176-0x0000000007C80000-0x0000000007C81000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-143-0x0000000005D00000-0x0000000005D01000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-142-0x0000000005CC0000-0x0000000005CC1000-memory.dmp

                  Filesize

                  4KB

                • memory/3988-141-0x0000000005D90000-0x0000000005D91000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-246-0x0000000000400000-0x00000000004AD000-memory.dmp

                  Filesize

                  692KB

                • memory/4672-245-0x0000000000650000-0x0000000000663000-memory.dmp

                  Filesize

                  76KB

                • memory/4736-241-0x0000000000470000-0x0000000000485000-memory.dmp

                  Filesize

                  84KB

                • memory/4944-278-0x0000000004A74000-0x0000000004A76000-memory.dmp

                  Filesize

                  8KB

                • memory/4944-274-0x00000000005E0000-0x000000000072A000-memory.dmp

                  Filesize

                  1.3MB

                • memory/4944-257-0x0000000002190000-0x00000000021AF000-memory.dmp

                  Filesize

                  124KB

                • memory/4944-285-0x0000000004A73000-0x0000000004A74000-memory.dmp

                  Filesize

                  4KB

                • memory/4944-284-0x0000000004A72000-0x0000000004A73000-memory.dmp

                  Filesize

                  4KB

                • memory/4944-275-0x0000000000400000-0x00000000004C5000-memory.dmp

                  Filesize

                  788KB

                • memory/4944-282-0x0000000004A70000-0x0000000004A71000-memory.dmp

                  Filesize

                  4KB

                • memory/4976-279-0x00000000020F0000-0x0000000002127000-memory.dmp

                  Filesize

                  220KB

                • memory/4976-283-0x0000000004C80000-0x0000000004C81000-memory.dmp

                  Filesize

                  4KB

                • memory/4976-281-0x0000000000400000-0x00000000004CB000-memory.dmp

                  Filesize

                  812KB

                • memory/4976-286-0x0000000004C82000-0x0000000004C83000-memory.dmp

                  Filesize

                  4KB

                • memory/4976-287-0x0000000004C83000-0x0000000004C84000-memory.dmp

                  Filesize

                  4KB

                • memory/4976-288-0x0000000004C84000-0x0000000004C86000-memory.dmp

                  Filesize

                  8KB

                • memory/4976-258-0x00000000023E0000-0x0000000002403000-memory.dmp

                  Filesize

                  140KB

                • memory/5028-273-0x0000000000400000-0x00000000004C4000-memory.dmp

                  Filesize

                  784KB

                • memory/5028-271-0x00000000021E0000-0x000000000229C000-memory.dmp

                  Filesize

                  752KB