Overview

overview

10

Static

static

SATURN_RANSOM.bin.exe

windows7_x64

10

SATURN_RANSOM.bin.exe

windows10_x64

9

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    04-11-2020 02:35

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General

  • Target

    SATURN_RANSOM.bin.exe

  • Size

    338KB

  • MD5

    bbd4c2d2c72648c8f871b36261be23fd

  • SHA1

    77c525e6b8a5760823ad6036e60b3fa244db8e42

  • SHA256

    9e87f069de22ceac029a4ac56e6305d2df54227e6b0f0b3ecad52a01fbade021

  • SHA512

    38f2ff3b7ff6faa63ef0a3200e0dbb9e48e1d404a065f6919cb6d245699479896a42316f299c33c8cc068922934c64f8aa06c88b000d1676870c1d0c0f18e14a

Score
9/10
evasionpersistenceransomwarespyware

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Enumerates VirtualBox registry keys 2 TTPs
    evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Modifies extensions of user files 16 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Modifies service 2 TTPs 4 IoCs
    persistence
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Windows directory 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Control Panel 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 269 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SATURN_RANSOM.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\SATURN_RANSOM.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Checks BIOS information in registry
    • Checks computer location settings
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin.exe delete shadows /all /quiet & wmic.exe shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3780
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:572
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic.exe shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:924
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\#DECRYPT_MY_FILES#.txt
      2⤵
        PID:4064
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\#DECRYPT_MY_FILES#.vbs"
        2⤵
          PID:2224
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\SATURN_RANSOM.bin.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4276
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 1 -w 3000
            3⤵
            • Runs ping.exe
            PID:4324
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:3920
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
        1⤵
        • Drops file in Windows directory
        • Modifies Control Panel
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4092
      • C:\Windows\system32\browser_broker.exe
        C:\Windows\system32\browser_broker.exe -Embedding
        1⤵
        • Modifies Internet Explorer settings
        PID:1004
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x408
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4168
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
        1⤵
        • Modifies registry class
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4380
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:4444
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
        1⤵
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:4736
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
        1⤵
          PID:4908

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Persistence

        Modify Existing Service

        1
        T1031

        Privilege Escalation

        Defense Evasion

        File Deletion

        2
        T1107

        Virtualization/Sandbox Evasion

        2
        T1497

        Modify Registry

        3
        T1112

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        4
        T1012

        Virtualization/Sandbox Evasion

        2
        T1497

        System Information Discovery

        2
        T1082

        Remote System Discovery

        1
        T1018

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Exfiltration

        Command and Control

        Impact

        Inhibit System Recovery

        2
        T1490

        Defacement

        1
        T1491

        Replay Monitor

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        Downloads

        • C:\Users\Admin\Desktop\#DECRYPT_MY_FILES#.html
          MD5

          81a5c46ac3078e69ee370e929c738602

          SHA1

          404c83c60bf8c5c711be2e99286549c55fed3368

          SHA256

          d6e6ad1b9a348ccab1255ccd894394aec921aa4ecbef55dec17cacdd8c5cd212

          SHA512

          5850a41591a39a84360db47992e360a4f618a28e949e49576cbe10bc624110665d3b1c14f0cfeb9197f567d10cbbe0cedaa9a9a9c281c426b9733f1e9a0614d0

          Download Submit
        • C:\Users\Admin\Desktop\#DECRYPT_MY_FILES#.txt
          MD5

          f3d19c544c10a8337a7d9f7aef079a43

          SHA1

          252612bbdbdbe790853fe560ce5ce8e1df5fcdc5

          SHA256

          b660c9236f4d6d9b62eb04b40599e852f979dd3dbfd1d03e545a287fe8e5d32b

          SHA512

          c5cd69e7134f6d587d0823f6e7f9e5ba6affd75f5398fcea96e299dfb57996234ba87abe4632b2de807a4b79bbafd1b1132ae55b18a815eb8c4112b48942fb1b

          Download Submit
        • C:\Users\Admin\Desktop\#DECRYPT_MY_FILES#.vbs
          MD5

          23e0e8c821b40253c04d561a6d06e253

          SHA1

          5df1808c8485ad1d90f1431adfa2694dbb1ed693

          SHA256

          54905816b33af2b53b2e127e0a7db664d126700b3fdd360894b9d924544f639a

          SHA512

          87a57f1615db68d57381b1a8602c92e57e3a8bf447ed842f410e50efd13a7f7ba44998b00d5e54238f09cad24ffe59c3aa788c1390364c465c761f3da6a688e8

          Download Submit
        • memory/572-1-0x0000000000000000-mapping.dmp
          Download
        • memory/924-2-0x0000000000000000-mapping.dmp
          Download
        • memory/2224-4-0x0000000000000000-mapping.dmp
          Download
        • memory/3780-0-0x0000000000000000-mapping.dmp
          Download
        • memory/4064-3-0x0000000000000000-mapping.dmp
          Download
        • memory/4276-7-0x0000000000000000-mapping.dmp
          Download
        • memory/4324-8-0x0000000000000000-mapping.dmp
          Download