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Resubmissions

08/12/2024, 13:21

241208-qlxsqazkck 7

08/12/2024, 13:12

241208-qfk7qsyrgl 8

08/12/2024, 13:05

241208-qbv65syqfq 8

08/12/2024, 13:03

241208-qaeg1atrcw 8

Analysis

  • max time kernel
    123s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2024, 13:12

General

  • Target

    Solaraexecutor.zip

  • Size

    30.1MB

  • MD5

    5b96ce8081bb025c4ad8ae12dc91e102

  • SHA1

    8708c3a51d990a437a4fe003c1fe2bc39e2f65cb

  • SHA256

    f9e5fe3194d9734845dd782b8e41065577ed7628a112934f1a57599f8dd92209

  • SHA512

    39a5e646df49f5c45f24e6aa479dfb40302f939383fdad15d6e3d9de7819aac5a2ec5525fad46ead503fe94d97b11fa587aa0448051d78d37ee8f0f6fdaa146a

  • SSDEEP

    786432:3mA77b6IpMM1QvHzoB/h4pUfbRgo0lJBrPCLaBzR8mHl0:X/b6OMM1QvM/4p8R30lju26m6

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • GoLang User-Agent 7 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Solaraexecutor.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:640
  • C:\Users\Admin\Desktop\Bootstraper.exe
    "C:\Users\Admin\Desktop\Bootstraper.exe"
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\Desktop\Bootstraper.exe\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users\Admin\Desktop\Bootstraper.exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1812
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2088
  • C:\Users\Admin\Desktop\Bootstraper.exe
    "C:\Users\Admin\Desktop\Bootstraper.exe" C:\Users\Admin\Desktop\cachehandler.dll
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\Desktop\Bootstraper.exe\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:924
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users\Admin\Desktop\Bootstraper.exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4348
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    cadef9abd087803c630df65264a6c81c

    SHA1

    babbf3636c347c8727c35f3eef2ee643dbcc4bd2

    SHA256

    cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

    SHA512

    7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    5cfe303e798d1cc6c1dab341e7265c15

    SHA1

    cd2834e05191a24e28a100f3f8114d5a7708dc7c

    SHA256

    c4d16552769ca1762f6867bce85589c645ac3dc490b650083d74f853f898cfab

    SHA512

    ef151bbe0033a2caf2d40aff74855a3f42c8171e05a11c8ce93c7039d9430482c43fe93d9164ee94839aff253cad774dbf619dde9a8af38773ca66d59ac3400e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wie3mjhc.d4t.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1132-6-0x000001DAFA4A0000-0x000001DAFA4C2000-memory.dmp

    Filesize

    136KB