Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/10/2026, 19:39

General

  • Target
    jaffacakes118_Trojan-Dropper.Win32.Agent.bjrmwt.exe
  • Size 57KB
  • Sample261012-ydcrksh13p
  • SHA256 b7dcfc7ae08a5856286d61119fa14bcf18cb873cfd200645327d56ec7a5e6983
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 20 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 53 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.bjrmwt.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.bjrmwt.exe"
    1⤵
    • Checks computer location settings
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\julia_fun219.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\1.bat
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3576
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?82133
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5676
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5676 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4024
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1380
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\2.bat
          4⤵
          • Drops file in Program Files directory
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1044
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Modifies Internet Explorer start page
            PID:3524
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Modifies Internet Explorer start page
            PID:1080
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
            5⤵
            • System Location Discovery: System Language Discovery
            PID:432
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:5080
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\PPLive\3.bat""" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:4076
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:768
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:4660
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\2.inf
            5⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4504
            • C:\Windows\SysWOW64\runonce.exe
              "C:\Windows\system32\runonce.exe" -r
              6⤵
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:5072
              • C:\Windows\SysWOW64\grpconv.exe
                "C:\Windows\System32\grpconv.exe" -o
                7⤵
                • System Location Discovery: System Language Discovery
                PID:5128
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 D:\VolumeDH\inj.dat,MainLoad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1652
    • C:\Users\Admin\AppData\Local\Temp\inlD3D7.tmp
      C:\Users\Admin\AppData\Local\Temp\inlD3D7.tmp
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inlD3D7.tmp > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3444
  • C:\Windows\system32\grpconv.exe
    grpconv -o
    1⤵
      PID:1464

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
          • Size 471B
          • SHA256 77f092574df221fef3caa5611bcc1a8c78381ec8c0c54bb107e6cc5355c4840f
          • MD5 SHA1 SHA512 TLSH

          E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
          • Size 416B
          • SHA256 db0742a9f2758ceb631776adf8a226c96b9967e1007b30f59d390c2af7fdd6ba
          • MD5 SHA1 SHA512 TLSH

          suggestions[1].en-US

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DV9ET3T5\suggestions[1].en-US
          • Size 17KB
          • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          jm_setup_qvod[1].htm

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FB6DDX4X\jm_setup_qvod[1].htm
          • Size 11KB
          • SHA256 b5bc80c286321d117d4faf28c8ecd32cd4499e926034205f6fbcd181c5c39469
          • MD5 SHA1 SHA512 SSDEEP TLSH

          favicon[1].ico

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\T1P4NEBX\favicon[1].ico
          • Size 4KB
          • SHA256 5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
          • MD5 SHA1 SHA512 SSDEEP TLSH

          julia_fun219.bat

          • Path C:\Users\Admin\AppData\Local\Temp\julia_fun219.bat
          • Size 53B
          • SHA256 1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647
          • MD5 SHA1 SHA512 TLSH

          winrar_config.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\winrar_config.tmp
          • Size 660B
          • SHA256 b1a31a74cc88d0f8e39aaebf58a724b89391dc3fbac733953790edf8ded8172c
          • MD5 SHA1 SHA512 TLSH

          1.bat

          • Path C:\Users\Admin\AppData\Roaming\PPLive\1.bat
          • Size 3KB
          • SHA256 f1a2f9fdebb3cac24756e53fa5e1628b2bd1cc130480c1878e3b3bc880575cd1
          • MD5 SHA1 SHA512 TLSH

          1.inf

          • Path C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          • Size 270B
          • SHA256 5313ce7c036d06b3970f27db432912a3edccd60266afb6510b9a682e8bca16e7
          • MD5 SHA1 SHA512 TLSH

          1.inf

          • Path C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          • Size 492B
          • SHA256 fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713
          • MD5 SHA1 SHA512 TLSH

          2.bat

          • Path C:\Users\Admin\AppData\Roaming\PPLive\2.bat
          • Size 3KB
          • SHA256 81f64f42edfac2863a55db8fabd528c4eefc67f7e658cad6a57eeec862e444e3
          • MD5 SHA1 SHA512 TLSH

          2.inf

          • Path C:\Users\Admin\AppData\Roaming\PPLive\2.inf
          • Size 247B
          • SHA256 6cdfa9b7f0e1e4ee16bc8ce5d7448d47ea8866c1f55f3e56be5c2a4d183ca534
          • MD5 SHA1 SHA512 TLSH

          4.bat

          • Path C:\Users\Admin\AppData\Roaming\PPLive\4.bat
          • Size 5.8MB
          • SHA256 890a7018f96639b441011b741113ece9b7c5e35bfc7ccac37b39a47bee2add70
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ├└┼«└╓╘░.url

          • Path C:\Users\Admin\AppData\Roaming\PPLive\├└┼«└╓╘░.url
          • Size 121B
          • SHA256 4aa583d8aa113497282e4fbdb0ab2c9d9d7bb7349b8223729a69dfcb81822f57
          • MD5 SHA1 SHA512 TLSH

          ╠╘▒ª╣║╬∩.url

          • Path C:\Users\Admin\AppData\Roaming\PPLive\╠╘▒ª╣║╬∩.url
          • Size 117B
          • SHA256 6afbe4af1c3800a4e2ebefc3e065cfba7281aa94e8e0108373882f88a642e4ca
          • MD5 SHA1 SHA512 TLSH

          ░╦╪╘╔½═╝.url

          • Path C:\Users\Admin\AppData\Roaming\PPLive\░╦╪╘╔½═╝.url
          • Size 118B
          • SHA256 09dd2f0512224f9b035ea73c05e7baace47a6187c9fef9027a008083f08585e7
          • MD5 SHA1 SHA512 TLSH

          memory/3324-6-0x0000000000DF0000-0x0000000000E17000-memory.dmp

          memory/3324-5-0x0000000001220000-0x0000000001223000-memory.dmp

          memory/3324-1-0x0000000001220000-0x0000000001223000-memory.dmp

          memory/3324-107-0x0000000000DF0000-0x0000000000E17000-memory.dmp

          memory/3324-0-0x0000000000DF0000-0x0000000000E17000-memory.dmp

          memory/5676-104-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-146-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-92-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-91-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-89-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-94-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-68-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-98-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-70-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-103-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-102-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-97-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-95-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-65-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-67-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-105-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-88-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-77-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-108-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-109-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-111-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-114-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-115-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-78-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-79-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-123-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-132-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-80-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-141-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-93-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-155-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-154-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-152-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-151-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-150-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-149-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-161-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-168-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-173-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-174-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-178-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-179-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-180-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-181-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-185-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-186-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-184-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-183-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-187-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-197-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-200-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-69-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-66-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-64-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-226-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-227-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-62-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp

          memory/5676-235-0x00007FFE5D9F0000-0x00007FFE5DA5E000-memory.dmp