Analysis

  • max time kernel
    151s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29/09/2021, 15:01

General

  • Target
    5021c0258bf60f4ffe914b6955310b6c.exe
  • Size 128KB
  • Sample210929-sdwa2afcfn
  • SHA256 d14036b4ab78b2c6121138471582c33a4bf0dbd2076f4c9e640d34a994fce2d3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://fiskahlilian16.top/

  • http://paishancho17.top/

  • http://ydiannetter18.top/

  • http://azarehanelle19.top/

  • http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • 777777

C2
  • 193.56.146.60:18243

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • 5k superstar

C2
  • narlelalik.xyz:12509

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 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

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

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • Nirsoft 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 18 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.

  • Windows security modification 2 TTPs 10 IoCs
  • 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.

  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 14 IoCs
  • 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 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe
    "C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe
      "C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:824
  • C:\Users\Admin\AppData\Local\Temp\BC27.exe
    C:\Users\Admin\AppData\Local\Temp\BC27.exe
    1⤵
    • Executes dropped EXE
    • Windows security modification
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Users\Admin\AppData\Local\Temp\c7d99855-c081-4abd-b53f-87ff5735101a\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\c7d99855-c081-4abd-b53f-87ff5735101a\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\c7d99855-c081-4abd-b53f-87ff5735101a\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:712
      • C:\Users\Admin\AppData\Local\Temp\c7d99855-c081-4abd-b53f-87ff5735101a\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\c7d99855-c081-4abd-b53f-87ff5735101a\AdvancedRun.exe" /SpecialRun 4101d8 712
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1212
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\BC27.exe" -Force
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1316
    • C:\Users\Admin\AppData\Local\Temp\BC27.exe
      "C:\Users\Admin\AppData\Local\Temp\BC27.exe"
      2⤵
      • Executes dropped EXE
      PID:3116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 2200
      2⤵
      • Drops file in Windows directory
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3320
  • C:\Users\Admin\AppData\Local\Temp\E0A7.exe
    C:\Users\Admin\AppData\Local\Temp\E0A7.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3952
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management 1.7.3.2\install\97C955F\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\E0A7.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1632934791 " AI_EUIMSI=""
      2⤵
      • Enumerates connected drives
      • Suspicious use of FindShellTrayWindow
      PID:2824
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 596AD0DCF372BF06787B40BEC6B3EF47 C
      2⤵
      • Loads dropped DLL
      PID:1360
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B8C92CBC57E75E05508A437EFA0FB4AF
      2⤵
      • Loads dropped DLL
      PID:4540
    • C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe
      "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Loads dropped DLL
      PID:4500
  • C:\Users\Admin\AppData\Local\Temp\ED5A.exe
    C:\Users\Admin\AppData\Local\Temp\ED5A.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ED5A.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:5088
  • C:\Users\Admin\AppData\Local\Temp\F74E.exe
    C:\Users\Admin\AppData\Local\Temp\F74E.exe
    1⤵
    • Executes dropped EXE
    PID:1192

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/656-114-0x0000000000510000-0x0000000000519000-memory.dmp

        memory/824-115-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1192-308-0x0000000004BA4000-0x0000000004BA6000-memory.dmp

        memory/1192-287-0x0000000000540000-0x0000000000570000-memory.dmp

        memory/1192-288-0x0000000000400000-0x0000000000454000-memory.dmp

        memory/1192-305-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

        memory/1192-306-0x0000000004BA2000-0x0000000004BA3000-memory.dmp

        memory/1192-291-0x0000000002270000-0x000000000228F000-memory.dmp

        memory/1192-293-0x0000000002310000-0x000000000232E000-memory.dmp

        memory/1192-307-0x0000000004BA3000-0x0000000004BA4000-memory.dmp

        memory/1316-150-0x0000000007330000-0x0000000007331000-memory.dmp

        memory/1316-154-0x00000000068C0000-0x00000000068C1000-memory.dmp

        memory/1316-475-0x0000000008EC0000-0x0000000008EC1000-memory.dmp

        memory/1316-469-0x0000000008ED0000-0x0000000008ED1000-memory.dmp

        memory/1316-140-0x0000000006650000-0x0000000006651000-memory.dmp

        memory/1316-149-0x0000000006B40000-0x0000000006B41000-memory.dmp

        memory/1316-138-0x0000000006C90000-0x0000000006C91000-memory.dmp

        memory/1316-152-0x0000000007580000-0x0000000007581000-memory.dmp

        memory/1316-196-0x0000000006653000-0x0000000006654000-memory.dmp

        memory/1316-193-0x0000000008FC0000-0x0000000008FC1000-memory.dmp

        memory/1316-190-0x0000000008DF0000-0x0000000008DF1000-memory.dmp

        memory/1316-185-0x0000000008C90000-0x0000000008C91000-memory.dmp

        memory/1316-184-0x000000007F1F0000-0x000000007F1F1000-memory.dmp

        memory/1316-174-0x0000000008CB0000-0x0000000008CE3000-memory.dmp

        memory/1316-153-0x0000000007610000-0x0000000007611000-memory.dmp

        memory/1316-143-0x0000000006652000-0x0000000006653000-memory.dmp

        memory/1316-158-0x0000000007D00000-0x0000000007D01000-memory.dmp

        memory/1316-135-0x0000000006530000-0x0000000006531000-memory.dmp

        memory/2836-219-0x00000000020D0000-0x0000000002160000-memory.dmp

        memory/2836-221-0x0000000000400000-0x0000000000493000-memory.dmp

        memory/3020-117-0x0000000000580000-0x0000000000595000-memory.dmp

        memory/3116-147-0x0000000004E80000-0x0000000004E81000-memory.dmp

        memory/3116-145-0x0000000004E20000-0x0000000004E21000-memory.dmp

        memory/3116-144-0x00000000053C0000-0x00000000053C1000-memory.dmp

        memory/3116-264-0x0000000006B60000-0x0000000006B61000-memory.dmp

        memory/3116-148-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

        memory/3116-136-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/3116-243-0x0000000006E50000-0x0000000006E51000-memory.dmp

        memory/3116-151-0x0000000004DB0000-0x00000000053B6000-memory.dmp

        memory/3116-397-0x0000000007600000-0x0000000007601000-memory.dmp

        memory/3116-240-0x0000000006750000-0x0000000006751000-memory.dmp

        memory/3116-146-0x0000000004F50000-0x0000000004F51000-memory.dmp

        memory/3116-252-0x00000000069C0000-0x00000000069C1000-memory.dmp

        memory/3972-126-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

        memory/3972-121-0x0000000000450000-0x0000000000451000-memory.dmp

        memory/3972-123-0x00000000058D0000-0x00000000058D1000-memory.dmp

        memory/3972-124-0x0000000005830000-0x00000000058A9000-memory.dmp

        memory/3972-125-0x0000000005E70000-0x0000000005E71000-memory.dmp