Analysis

  • max time kernel
    153s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-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 3 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
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

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

  • 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.

  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synapse.exe
    "C:\Users\Admin\AppData\Local\Temp\Synapse.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Users\Admin\AppData\Local\Temp\venomderek.exe
      "C:\Users\Admin\AppData\Local\Temp\venomderek.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3716
    • 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:4040
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1016
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
            PID:3800
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          3⤵
          • Launches sc.exe
          PID:2112
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          3⤵
          • Launches sc.exe
          PID:1212
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          3⤵
          • Launches sc.exe
          PID:2728
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          3⤵
          • Launches sc.exe
          PID:5032
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          3⤵
          • Launches sc.exe
          PID:2432
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:928
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3108
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2448
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          3⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3568
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "LBFXRZGB"
          3⤵
          • Launches sc.exe
          PID:2188
        • 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:3712
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          3⤵
          • Launches sc.exe
          PID:2024
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "LBFXRZGB"
          3⤵
          • Launches sc.exe
          PID:2572
    • 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:3884
      • 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:1176
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3540
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4872
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:4732
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:3940
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:4688
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:4276
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:440
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3644
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2788
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4856
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1264
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:3528
          • C:\Windows\system32\svchost.exe
            svchost.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4940

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wkggcvm3.b5t.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          5.0MB

          MD5

          769ea3d0e0cf22eaa7526a89c0f438cf

          SHA1

          5221042ad60744e2bdcf8319ff00bdbfc253eb59

          SHA256

          b369c94a835882a2267ff0a7a4ebb9a91621c3f134f63010d491121a7827b448

          SHA512

          d50130430911f16f4d2f7e4d3552f51ceb74601eda13cfbc374c9327e11d7865bdfc49803b54cf7b595b89996db28d3173d7a22993e968fd9a1a080c6b434c9a

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

          Filesize

          3.2MB

          MD5

          8c1a3371880670ae29eb22eec13df95e

          SHA1

          642e25d5a8a9e52ae970d3cc1f41388d4468259a

          SHA256

          39e4e2d97af7b2be0aa8806afbc4d4766bc057264f556733b392ffb766174dce

          SHA512

          8e7b06b4dbe4277390d504a628ada5ff65261408352c9ea66ebcec5f3afd7a7ed7cb2106cec632870d6a7945e96b44818585c21659dc4d6562d473b3e73367a1

        • memory/1176-83-0x000002342E6D0000-0x000002342E6EA000-memory.dmp

          Filesize

          104KB

        • memory/1176-78-0x000002342E480000-0x000002342E49C000-memory.dmp

          Filesize

          112KB

        • memory/1176-79-0x000002342E4A0000-0x000002342E553000-memory.dmp

          Filesize

          716KB

        • memory/1176-80-0x000002342E660000-0x000002342E66A000-memory.dmp

          Filesize

          40KB

        • memory/1176-81-0x000002342E690000-0x000002342E6AC000-memory.dmp

          Filesize

          112KB

        • memory/1176-86-0x000002342E6C0000-0x000002342E6CA000-memory.dmp

          Filesize

          40KB

        • memory/1176-85-0x000002342E6B0000-0x000002342E6B6000-memory.dmp

          Filesize

          24KB

        • memory/1176-82-0x000002342E670000-0x000002342E67A000-memory.dmp

          Filesize

          40KB

        • memory/1176-84-0x000002342E680000-0x000002342E688000-memory.dmp

          Filesize

          32KB

        • memory/3528-89-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3528-92-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3528-91-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3528-93-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3528-90-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3528-96-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3576-26-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3576-2-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3576-1-0x000001E331240000-0x000001E332240000-memory.dmp

          Filesize

          16.0MB

        • memory/3576-46-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3576-45-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3576-3-0x00007FFAA10A3000-0x00007FFAA10A5000-memory.dmp

          Filesize

          8KB

        • memory/3576-0-0x00007FFAA10A3000-0x00007FFAA10A5000-memory.dmp

          Filesize

          8KB

        • memory/3576-4-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3576-16-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3576-15-0x000001E3594B0000-0x000001E3594BA000-memory.dmp

          Filesize

          40KB

        • memory/3576-14-0x000001E3594D0000-0x000001E3594F2000-memory.dmp

          Filesize

          136KB

        • memory/3576-5-0x00007FFAA10A0000-0x00007FFAA1B62000-memory.dmp

          Filesize

          10.8MB

        • memory/3716-47-0x000001EAE8FD0000-0x000001EAE910E000-memory.dmp

          Filesize

          1.2MB

        • memory/3716-25-0x00007FFAB0C80000-0x00007FFAB0E89000-memory.dmp

          Filesize

          2.0MB

        • memory/3716-27-0x000001EAE8FD0000-0x000001EAE910E000-memory.dmp

          Filesize

          1.2MB

        • memory/3716-48-0x000001EAE8FD0000-0x000001EAE910E000-memory.dmp

          Filesize

          1.2MB

        • memory/4940-109-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-98-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-104-0x0000025FE80C0000-0x0000025FE80E0000-memory.dmp

          Filesize

          128KB

        • memory/4940-102-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-97-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-108-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-106-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-105-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-103-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-107-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-101-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-99-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-100-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-110-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4940-111-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB