Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22/09/2021, 21:30

General

  • Target
    e238a7a3fa37f2eda6d9e8cd2c51db60.exe
  • Size 284KB
  • Sample210922-1chmjsgedn
  • SHA256 a98b37b337927ef6cea8a053a4ea676646de4dfbf6ce9619593246a1ecc362b6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://hamilaharr6.top/

  • http://bartanayane7.top/

  • http://zesiahavie8.top/

  • http://hancarlenei9.top/

  • http://samillavakiv10.top/

  • http://feryleromand11.top/

  • http://ubrianella12.top/

  • http://hepryceeaaa13.top/

  • http://viahalexandy14.top/

  • http://wenataliana15.top/

  • http://gfdgashgsjdfhgjhsdf.space/

  • http://gfdghfsdfghfdegr.space/

  • http://gfdjgh4re3rfds.space/

  • http://gfdhjdsjhgsdhgfjfsdhj.space/

  • http://gdfhjgfhdjghjashjgdf.space/

  • http://gfdjgdfjgdhfbg.space/

  • http://gfdkjgdfhughrue.space/

  • http://gfdsjgsuhdgurur.space/

  • http://ryewrewthxjsfhydfbsd.space/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • anal

C2
  • 45.67.231.145:10991

Signatures

  • 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.

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 9 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e238a7a3fa37f2eda6d9e8cd2c51db60.exe
    "C:\Users\Admin\AppData\Local\Temp\e238a7a3fa37f2eda6d9e8cd2c51db60.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\e238a7a3fa37f2eda6d9e8cd2c51db60.exe
      "C:\Users\Admin\AppData\Local\Temp\e238a7a3fa37f2eda6d9e8cd2c51db60.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1840
  • C:\Users\Admin\AppData\Local\Temp\8F89.exe
    C:\Users\Admin\AppData\Local\Temp\8F89.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection www.twitter.com , www.facebook.com , www.bing.com
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:872
    • C:\Users\Admin\AppData\Local\Temp\8F89.exe
      C:\Users\Admin\AppData\Local\Temp\8F89.exe
      2⤵
      • Executes dropped EXE
      PID:1292
  • C:\Users\Admin\AppData\Local\Temp\B4F4.exe
    C:\Users\Admin\AppData\Local\Temp\B4F4.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\B4F4.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:1296
  • C:\Users\Admin\AppData\Local\Temp\C754.exe
    C:\Users\Admin\AppData\Local\Temp\C754.exe
    1⤵
    • Executes dropped EXE
    PID:744
  • C:\Users\Admin\AppData\Local\Temp\AB6C.exe
    C:\Users\Admin\AppData\Local\Temp\AB6C.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2600
  • C:\Users\Admin\AppData\Local\Temp\AE2.exe
    C:\Users\Admin\AppData\Local\Temp\AE2.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\svcliper.exe
      "C:\Users\Admin\AppData\Local\Temp\svcliper.exe"
      2⤵
      • Executes dropped EXE
      PID:2096
  • C:\Users\Admin\AppData\Local\Temp\1459.exe
    C:\Users\Admin\AppData\Local\Temp\1459.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:932
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:360
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1356
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1896
        • C:\Users\Admin\AppData\Local\Temp\4B1A.exe
          C:\Users\Admin\AppData\Local\Temp\4B1A.exe
          1⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:856

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/360-421-0x0000000002F80000-0x0000000002FEB000-memory.dmp

              memory/360-419-0x0000000003200000-0x0000000003274000-memory.dmp

              memory/744-226-0x0000000002BD0000-0x0000000002D1A000-memory.dmp

              memory/744-227-0x0000000000400000-0x0000000002BCF000-memory.dmp

              memory/856-467-0x0000000003D50000-0x0000000003D51000-memory.dmp

              memory/856-466-0x0000000077E40000-0x0000000077FCE000-memory.dmp

              memory/872-159-0x0000000006F33000-0x0000000006F34000-memory.dmp

              memory/872-134-0x00000000071A0000-0x00000000071A1000-memory.dmp

              memory/872-131-0x0000000007C10000-0x0000000007C11000-memory.dmp

              memory/872-130-0x0000000007430000-0x0000000007431000-memory.dmp

              memory/872-142-0x00000000092C0000-0x00000000092C1000-memory.dmp

              memory/872-133-0x0000000007ED0000-0x0000000007ED1000-memory.dmp

              memory/872-141-0x0000000009390000-0x0000000009391000-memory.dmp

              memory/872-129-0x0000000006F32000-0x0000000006F33000-memory.dmp

              memory/872-154-0x000000000A6C0000-0x000000000A6C1000-memory.dmp

              memory/872-128-0x0000000006F30000-0x0000000006F31000-memory.dmp

              memory/872-143-0x0000000009320000-0x0000000009321000-memory.dmp

              memory/872-132-0x0000000007E60000-0x0000000007E61000-memory.dmp

              memory/872-135-0x0000000008590000-0x0000000008591000-memory.dmp

              memory/872-144-0x0000000009B40000-0x0000000009B41000-memory.dmp

              memory/872-136-0x0000000008660000-0x0000000008661000-memory.dmp

              memory/872-127-0x0000000007570000-0x0000000007571000-memory.dmp

              memory/872-126-0x0000000006E30000-0x0000000006E31000-memory.dmp

              memory/932-412-0x0000000000050000-0x0000000000051000-memory.dmp

              memory/932-424-0x0000000077E40000-0x0000000077FCE000-memory.dmp

              memory/932-425-0x0000000005390000-0x0000000005391000-memory.dmp

              memory/1292-372-0x0000000005510000-0x0000000005511000-memory.dmp

              memory/1292-366-0x0000000000400000-0x0000000000422000-memory.dmp

              memory/1292-377-0x0000000005040000-0x0000000005041000-memory.dmp

              memory/1292-378-0x0000000006910000-0x0000000006911000-memory.dmp

              memory/1292-379-0x0000000007010000-0x0000000007011000-memory.dmp

              memory/1292-381-0x0000000006CC0000-0x0000000006CC1000-memory.dmp

              memory/1292-383-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

              memory/1292-376-0x0000000004F00000-0x0000000005506000-memory.dmp

              memory/1292-375-0x0000000005000000-0x0000000005001000-memory.dmp

              memory/1292-373-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

              memory/1292-374-0x00000000050D0000-0x00000000050D1000-memory.dmp

              memory/1356-422-0x0000000000F50000-0x0000000000F57000-memory.dmp

              memory/1356-423-0x0000000000F40000-0x0000000000F4C000-memory.dmp

              memory/1524-404-0x0000000005830000-0x0000000005831000-memory.dmp

              memory/1524-436-0x0000000007FC0000-0x0000000007FC1000-memory.dmp

              memory/1524-398-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

              memory/1524-405-0x0000000077E40000-0x0000000077FCE000-memory.dmp

              memory/1524-406-0x0000000005820000-0x0000000005821000-memory.dmp

              memory/1832-116-0x0000000000030000-0x0000000000039000-memory.dmp

              memory/1840-114-0x0000000000400000-0x0000000000409000-memory.dmp

              memory/1896-427-0x0000000003050000-0x0000000003072000-memory.dmp

              memory/1896-428-0x0000000003020000-0x0000000003047000-memory.dmp

              memory/2096-454-0x00000000051F0000-0x00000000056EE000-memory.dmp

              memory/2208-121-0x0000000000A40000-0x0000000000A41000-memory.dmp

              memory/2208-363-0x00000000053B0000-0x00000000053E7000-memory.dmp

              memory/2208-364-0x00000000053A0000-0x00000000053A1000-memory.dmp

              memory/2208-365-0x00000000054B0000-0x00000000054C9000-memory.dmp

              memory/2216-173-0x0000000000400000-0x0000000002BCF000-memory.dmp

              memory/2216-172-0x0000000003060000-0x00000000030F0000-memory.dmp

              memory/2600-391-0x0000000002710000-0x0000000002711000-memory.dmp

              memory/2600-392-0x0000000002720000-0x0000000002721000-memory.dmp

              memory/2600-389-0x00000000001E0000-0x00000000001E1000-memory.dmp

              memory/2600-390-0x0000000002700000-0x0000000002701000-memory.dmp

              memory/2600-388-0x00000000001D0000-0x00000000001D1000-memory.dmp

              memory/2600-387-0x0000000000120000-0x0000000000121000-memory.dmp

              memory/3052-393-0x0000000001270000-0x0000000001286000-memory.dmp

              memory/3052-117-0x0000000001100000-0x0000000001116000-memory.dmp