Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/12/2024, 11:00

General

  • Target

    9d879dbfa312986e04cfb1ba762ee26a0760c0743d5249d632acc53c5e7e5382_Sigmanly.exe

  • Size

    2.5MB

  • MD5

    0cb43bc79db2f79d3bf41488b8e44b14

  • SHA1

    183aaf34914b6233dee53311abb3b58512bab255

  • SHA256

    9d879dbfa312986e04cfb1ba762ee26a0760c0743d5249d632acc53c5e7e5382

  • SHA512

    dc253e1c96441fa285a6f9201382520e0fe6a43da2bcd42a88426178d49393ee4ffb55ad26367b3a285c4ac05b04071e63f9613ecae1c248717d2a43af729a86

  • SSDEEP

    49152:zgf2+69hPNE5E90V1/3+XEnP5mgLh0ZVpma0uoTtsS+kDUMDkeHkV8:i2+6zeG90VVu0nPYgima0uoTW1kTkeHI

Malware Config

Signatures

  • 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 1 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.

  • Launches sc.exe 4 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d879dbfa312986e04cfb1ba762ee26a0760c0743d5249d632acc53c5e7e5382_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\9d879dbfa312986e04cfb1ba762ee26a0760c0743d5249d632acc53c5e7e5382_Sigmanly.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2568
    • 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
      • 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:4660
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:2000
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1804
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4228
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4132
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4772
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "XXXZEMGH"
        2⤵
        • Launches sc.exe
        PID:468
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "XXXZEMGH" binpath= "C:\ProgramData\mcqdihxfmfum\xkmlhavdrgzq.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:1712
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:3256
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "XXXZEMGH"
        2⤵
        • Launches sc.exe
        PID:3092
    • C:\ProgramData\mcqdihxfmfum\xkmlhavdrgzq.exe
      C:\ProgramData\mcqdihxfmfum\xkmlhavdrgzq.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1404
      • 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:3184
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3272
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:736
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:5000
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3772
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2468
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1972
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:220
          • C:\Windows\system32\conhost.exe
            conhost.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:900

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\ProgramData\mcqdihxfmfum\xkmlhavdrgzq.exe

                Filesize

                2.5MB

                MD5

                0cb43bc79db2f79d3bf41488b8e44b14

                SHA1

                183aaf34914b6233dee53311abb3b58512bab255

                SHA256

                9d879dbfa312986e04cfb1ba762ee26a0760c0743d5249d632acc53c5e7e5382

                SHA512

                dc253e1c96441fa285a6f9201382520e0fe6a43da2bcd42a88426178d49393ee4ffb55ad26367b3a285c4ac05b04071e63f9613ecae1c248717d2a43af729a86

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gso45qiu.fg2.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • memory/220-53-0x0000000140000000-0x000000014000E000-memory.dmp

                Filesize

                56KB

              • memory/220-49-0x0000000140000000-0x000000014000E000-memory.dmp

                Filesize

                56KB

              • memory/220-50-0x0000000140000000-0x000000014000E000-memory.dmp

                Filesize

                56KB

              • memory/220-51-0x0000000140000000-0x000000014000E000-memory.dmp

                Filesize

                56KB

              • memory/220-52-0x0000000140000000-0x000000014000E000-memory.dmp

                Filesize

                56KB

              • memory/220-56-0x0000000140000000-0x000000014000E000-memory.dmp

                Filesize

                56KB

              • memory/900-62-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-58-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-71-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-70-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-60-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-57-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-59-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-61-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-66-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-65-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-67-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-68-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-63-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/900-64-0x0000021D21C60000-0x0000021D21C80000-memory.dmp

                Filesize

                128KB

              • memory/900-69-0x0000000140000000-0x0000000140835000-memory.dmp

                Filesize

                8.2MB

              • memory/1176-15-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

                Filesize

                10.8MB

              • memory/1176-16-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

                Filesize

                10.8MB

              • memory/1176-1-0x000001DFF3CE0000-0x000001DFF3D02000-memory.dmp

                Filesize

                136KB

              • memory/1176-11-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

                Filesize

                10.8MB

              • memory/1176-0-0x00007FFFAC463000-0x00007FFFAC465000-memory.dmp

                Filesize

                8KB

              • memory/1176-12-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

                Filesize

                10.8MB

              • memory/3184-44-0x00000200CE900000-0x00000200CE908000-memory.dmp

                Filesize

                32KB

              • memory/3184-39-0x00000200CE6E0000-0x00000200CE795000-memory.dmp

                Filesize

                724KB

              • memory/3184-43-0x00000200CE950000-0x00000200CE96A000-memory.dmp

                Filesize

                104KB

              • memory/3184-42-0x00000200CE8F0000-0x00000200CE8FA000-memory.dmp

                Filesize

                40KB

              • memory/3184-45-0x00000200CE930000-0x00000200CE936000-memory.dmp

                Filesize

                24KB

              • memory/3184-46-0x00000200CE940000-0x00000200CE94A000-memory.dmp

                Filesize

                40KB

              • memory/3184-38-0x00000200CE6C0000-0x00000200CE6DC000-memory.dmp

                Filesize

                112KB

              • memory/3184-41-0x00000200CE910000-0x00000200CE92C000-memory.dmp

                Filesize

                112KB

              • memory/3184-40-0x00000200CE7A0000-0x00000200CE7AA000-memory.dmp

                Filesize

                40KB