Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 15:36

General

  • Target

    Synapse.exe

  • Size

    638.8MB

  • MD5

    61de96e5353b086d0adbec1f6f6805a4

  • SHA1

    f8a632f64158d65d88767f40568a1a2f5ac6408f

  • SHA256

    b4672fe1f8bf47ec762901fdf935c4bec3055786551307b89ac8f57156d96336

  • SHA512

    6e158f558ffd71506d1e3cb057d6d8f40e75d293b3d2b4f8fda057b47739b4bcc3619bd3458dadafed84baebe050e387a1a4f9207eeba5398a6b91f2ad15c4d6

  • SSDEEP

    98304:i57+KoPUraOzCqYKOpL0qSB7reHbQLsEFTV2WQo1nqUf:Q7oP1OzCqw0fB7iKsEJo/Uq

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Work

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 2 IoCs
  • Meduza family
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 9 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Creates new service(s) 2 TTPs
  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 14 IoCs

    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).

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synapse.exe
    "C:\Users\Admin\AppData\Local\Temp\Synapse.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\venomderek.exe
      "C:\Users\Admin\AppData\Local\Temp\venomderek.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3040 -s 616
        3⤵
        • Loads dropped DLL
        PID:2892
    • C:\Users\Admin\AppData\Local\Temp\lokigod.exe
      "C:\Users\Admin\AppData\Local\Temp\lokigod.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2764
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2500
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:928
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
          • Drops file in Windows directory
          PID:1944
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        3⤵
        • Launches sc.exe
        PID:1484
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        3⤵
        • Launches sc.exe
        PID:2860
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        3⤵
        • Launches sc.exe
        PID:1576
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        3⤵
        • Launches sc.exe
        PID:2700
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        3⤵
        • Launches sc.exe
        PID:1740
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        3⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1620
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        3⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1640
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        3⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1528
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        3⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1816
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "LBFXRZGB"
        3⤵
        • Launches sc.exe
        PID:2992
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "LBFXRZGB" binpath= "C:\ProgramData\spvpfblnegdb\vzppfnnlsyit.exe" start= "auto"
        3⤵
        • Launches sc.exe
        PID:2996
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        3⤵
        • Launches sc.exe
        PID:2932
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "LBFXRZGB"
        3⤵
        • Launches sc.exe
        PID:2244
  • C:\ProgramData\spvpfblnegdb\vzppfnnlsyit.exe
    C:\ProgramData\spvpfblnegdb\vzppfnnlsyit.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2080
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2004
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2484
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2076
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:708
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:1812
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2696
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1260
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2568
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1316
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Windows\system32\conhost.exe
      C:\Windows\system32\conhost.exe
      2⤵
        PID:2036
      • C:\Windows\system32\svchost.exe
        svchost.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\lokigod.exe

      Filesize

      5.0MB

      MD5

      769ea3d0e0cf22eaa7526a89c0f438cf

      SHA1

      5221042ad60744e2bdcf8319ff00bdbfc253eb59

      SHA256

      b369c94a835882a2267ff0a7a4ebb9a91621c3f134f63010d491121a7827b448

      SHA512

      d50130430911f16f4d2f7e4d3552f51ceb74601eda13cfbc374c9327e11d7865bdfc49803b54cf7b595b89996db28d3173d7a22993e968fd9a1a080c6b434c9a

    • \Users\Admin\AppData\Local\Temp\venomderek.exe

      Filesize

      3.2MB

      MD5

      8c1a3371880670ae29eb22eec13df95e

      SHA1

      642e25d5a8a9e52ae970d3cc1f41388d4468259a

      SHA256

      39e4e2d97af7b2be0aa8806afbc4d4766bc057264f556733b392ffb766174dce

      SHA512

      8e7b06b4dbe4277390d504a628ada5ff65261408352c9ea66ebcec5f3afd7a7ed7cb2106cec632870d6a7945e96b44818585c21659dc4d6562d473b3e73367a1

    • memory/1724-50-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-61-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-62-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-60-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-53-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-46-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-52-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-54-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-55-0x0000000000040000-0x0000000000060000-memory.dmp

      Filesize

      128KB

    • memory/1724-49-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-51-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-56-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-57-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-58-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1724-59-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2032-5-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

      Filesize

      9.9MB

    • memory/2032-0-0x000007FEF5EA3000-0x000007FEF5EA4000-memory.dmp

      Filesize

      4KB

    • memory/2032-3-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

      Filesize

      9.9MB

    • memory/2032-2-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

      Filesize

      9.9MB

    • memory/2032-4-0x000007FEF5EA3000-0x000007FEF5EA4000-memory.dmp

      Filesize

      4KB

    • memory/2032-6-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

      Filesize

      9.9MB

    • memory/2032-1-0x0000000000170000-0x0000000001170000-memory.dmp

      Filesize

      16.0MB

    • memory/2032-25-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

      Filesize

      9.9MB

    • memory/2036-44-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2036-41-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2036-39-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2036-42-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2036-47-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2036-40-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2080-37-0x0000000019F70000-0x000000001A252000-memory.dmp

      Filesize

      2.9MB

    • memory/2080-38-0x0000000000960000-0x0000000000968000-memory.dmp

      Filesize

      32KB

    • memory/2500-30-0x000000001B620000-0x000000001B902000-memory.dmp

      Filesize

      2.9MB

    • memory/2500-31-0x0000000001E40000-0x0000000001E48000-memory.dmp

      Filesize

      32KB

    • memory/3040-24-0x0000000001C50000-0x0000000001D8E000-memory.dmp

      Filesize

      1.2MB

    • memory/3040-12-0x0000000001C50000-0x0000000001D8E000-memory.dmp

      Filesize

      1.2MB