Analysis

  • max time kernel
    16s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 00:58

General

  • Target
    710c7e68a4c8e51e3222fdc89ab57dc2d3c802fe566649c799212f96f168a115.exe
  • Size 126KB
  • Sample240607-bbyvpseg7s
  • SHA256 710c7e68a4c8e51e3222fdc89ab57dc2d3c802fe566649c799212f96f168a115
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 39 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 32 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 23 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\710c7e68a4c8e51e3222fdc89ab57dc2d3c802fe566649c799212f96f168a115.exe
    "C:\Users\Admin\AppData\Local\Temp\710c7e68a4c8e51e3222fdc89ab57dc2d3c802fe566649c799212f96f168a115.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe -EMBEDDING 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840 0
      2⤵
        PID:2392
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe -EMBEDDING 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840 0
        2⤵
          PID:704
        • C:\Windows\sysmon.exe
          C:\Windows\sysmon.exe -EMBEDDING 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840 0
          2⤵
            PID:4888
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe -EMBEDDING 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840 0
            2⤵
            • Deletes itself
            • Loads dropped DLL
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4628
        • C:\Windows\system32\cmd.exe
          cmd.exe /c call "C:\Program Files\Common Files\Microsoft\1D11D1C\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:3464
          • C:\Program Files\Common Files\Microsoft\1D11D1C\KVEIF.jpg
            "C:\Program Files\Common Files\Microsoft\1D11D1C\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2592
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\System32\svchost.exe -sys 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530425D474A422F565840 0
              3⤵
              • Loads dropped DLL
              • Drops file in Program Files directory
              • Suspicious use of AdjustPrivilegeToken
              PID:3716

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              1D11D1C123.IMD

              • Path C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1C\1D11D1C123.IMD
              • Size 127KB
              • SHA256 c4a33b0c9eea50ff7d8b5218779ff77830753be2bf94fd2562e41b0e43b9f78b
              • MD5 SHA1 SHA512 SSDEEP

              KVEIFss1.ini

              • Path C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1C\KVEIFss1.ini
              • Size 22B
              • SHA256 8485a6ec9ad79a1ed2331a428944711c4064f0c607017dae51c7e7f65fe70ff7
              • MD5 SHA1 SHA512

              ok.txt

              • Path C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1C\ok.txt
              • Size 104B
              • SHA256 df5c9ca83778cb559a128f8a3035fca7877979451ae17ff731c035c3c08d34eb
              • MD5 SHA1 SHA512

              KVEIF.jpg

              • Path C:\Program Files\Common Files\Microsoft\1D11D1C\KVEIF.jpg
              • Size 126KB
              • SHA256 a8f8035cf9de06aff216514727c2ec318d31f451dda06de16892314b6d2f9467
              • MD5 SHA1 SHA512 SSDEEP

              KVEIF.jpg

              • Path C:\Program Files\Common Files\microsoft shared\MSInfo\1D11D1C\KVEIF.jpg
              • Size 126KB
              • SHA256 3ece0327f2828c012a41df6743c35ba5b620dddd846a8ca58baad341fdfe6460
              • MD5 SHA1 SHA512 SSDEEP

              KVEIFmain.ini

              • Path C:\Program Files\Common Files\microsoft shared\MSInfo\1D11D1C\KVEIFmain.ini
              • Size 960B
              • SHA256 97a8d9b95aa6cc4396e69464bb09067710b237fda709e9f9b27c45925c8a3206
              • MD5 SHA1 SHA512

              KVEIFmain.ini

              • Path C:\Program Files\Common Files\microsoft shared\MSInfo\1D11D1C\KVEIFmain.ini
              • Size 1KB
              • SHA256 b2780d30169ac1bf794800d3fb749b8b2b62d3fe6bab62a2573210d9c16f4f81
              • MD5 SHA1 SHA512

              kernel64.dll

              • Path C:\Windows\SysWOW64\kernel64.dll
              • Size 625KB
              • SHA256 820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6
              • MD5 SHA1 SHA512 SSDEEP

              606C646364636479.tmp

              • Path C:\Windows\Web\606C646364636479.tmp
              • Size 108KB
              • SHA256 1eacebb614305a9806113545be7b23cf14ce7e761ccf634510a7f1c0cfb6cd16
              • MD5 SHA1 SHA512 SSDEEP

              memory/3344-27-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-19-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-5-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-18-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-15-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-11-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-9-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-7-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-3-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-2-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-21-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-23-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-25-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-31-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-13-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-29-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-33-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/3344-32-0x00000000006D0000-0x0000000000725000-memory.dmp

              memory/4628-118-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-104-0x0000000000400000-0x000000000042D000-memory.dmp

              memory/4628-116-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-114-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-112-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-110-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-107-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-128-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-106-0x0000000000400000-0x000000000042D000-memory.dmp

              memory/4628-108-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-132-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-103-0x0000000000400000-0x000000000042D000-memory.dmp

              memory/4628-130-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-127-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-124-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-243-0x0000000000400000-0x000000000042D000-memory.dmp

              memory/4628-122-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4628-120-0x00000000029A0000-0x00000000029F5000-memory.dmp

              memory/4888-98-0x0000000000400000-0x000000000042D000-memory.dmp