Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/11/2026, 01:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe
Resource
win10v2004-20260911-en
17 signatures
150 seconds
General
- Target 2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe
- Size 2.0MB
- Sample261107-bpt4nstv2k
- SHA256 7427ee6160850ba65aacd542a1c81949f153487057eb5007aa91c037946ee8e7
- MD5 4cae670fbfba050dd37363b9ff74ee29
- SHA1 b9e7e2deee64ca730e06255233c4835e7b8b5ad0
- SHA512 45d5c96f1ccc459562eee696ce3e6cc96c62214a2964333d9afd56ef88187e31e245e16a6e82d419a2c992fc1cf8df6832793ac215dd958b29403c8ecbd30ca1
- SSDEEP 49152:rKA5/fBj27Z0omfER0nCbjte4X3EQaLC4PGuwT+L/:rKAA7Z0oaETte9QaePuwT+L
- TLSH T154950219D7F415F8E1B7E578CE824906EB737C494771E68F03AC69A61F232908D39B22
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetects Windows executables referencing non-Windows User-Agents 23 IoCs
resource yara_rule behavioral2/memory/4892-138-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-137-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-136-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-141-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-140-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-150-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-149-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-148-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-146-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-145-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-143-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-142-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-147-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-144-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-130-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4892-135-0x0000000002C70000-0x0000000002CC3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-160-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-159-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-162-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-163-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-157-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-152-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/872-158-0x00000000033F0000-0x0000000003443000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Downloads MZ/PE file 2 IoCs
flow pid Process 5 4892 appsync.exe 6 872 helper.exe - Executes dropped EXE 4 IoCs
pid Process 4600 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe 4356 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp 4892 appsync.exe 872 helper.exe - Loads dropped DLL 2 IoCs
pid Process 4892 appsync.exe 872 helper.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 980 wscript.exe 5892 wscript.exe - Enumerates video capture drivers 2 TTPs 2 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 appsync.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 helper.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 3316 4892 WerFault.exe 93 - 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname appsync.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain appsync.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname helper.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain helper.exe - System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language helper.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language appsync.exe - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral2/files/0x000e00000001c520-3.dat innosetup behavioral2/memory/4600-9-0x00000000002D0000-0x00000000003AC000-memory.dmp innosetup behavioral2/memory/4600-46-0x00000000002D0000-0x00000000003AC000-memory.dmp innosetup - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\Local Settings 2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4356 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp 4356 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe 872 helper.exe 872 helper.exe 4892 appsync.exe 4892 appsync.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4356 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4892 appsync.exe 872 helper.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5000 wrote to memory of 4600 5000 2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe 90 PID 5000 wrote to memory of 5852 5000 2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe 91 PID 4600 wrote to memory of 4356 4600 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe 92 PID 4356 wrote to memory of 4892 4356 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp 93 PID 4356 wrote to memory of 872 4356 ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-05_4cae670fbfba050dd37363b9ff74ee29_cryptbot_icedid_luca-stealer_njrat_stealc.exe"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Users\Admin\AppData\Local\Temp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe"C:\Users\Admin\AppData\Local\Temp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Users\Admin\AppData\Local\Temp\is-P0L77UVY7K.tmp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp"C:\Users\Admin\AppData\Local\Temp\is-P0L77UVY7K.tmp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp" /SL5="$D004C,949178,839168,C:\Users\Admin\AppData\Local\Temp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin1\appsync.exe"C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin1\appsync.exe" -Embedding4⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4892 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 6805⤵
- Program crash
PID:3316
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C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin2\helper.exe"C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin2\helper.exe" -Embedding4⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:872
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.txt2⤵PID:5852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 48921⤵PID:3296
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\A1E374F8\C62FAF19.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:980
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\B0C949C7\19155998.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:5892
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin1\GameuxInstallHelper.dll
- Size 134KB
- SHA256 1656f75816708d1e2e15b06c32f1539c49860dcd42147ed7d3005698247bab41
- MD5 6d9308dcc0fa6a2401f5b41c9a143d44
- SHA1 8cc53ebc5dfc93a2f22a5e81ffaec9c551a698d2
- SHA512 b264f43b2200de08bc1e00410f1aaafa59677a638b741c99d74efd6d312cbcbb798f1e1caa943f63378d619e69da541538dfde3aa397d64824d7952518a1ef90
- SSDEEP 1536:t4fa8IG2LxZx+TeLKfO65sWdg+uP1M6hVAM9oCDSAW8nZqGt56:t4CZZHAO6ucaxVPoK1nZqGtk
- TLSH T1AED36C48F1D364EAF11B00B04D87D2BAAF64B3295561CCF1F9DC5A46B752F60A80B37A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin1\appsync.exe
- Size 111KB
- SHA256 6faf6b73fea86f91db29dbf4302a59c55d47966c3c3b216005e54076885ef539
- MD5 613b7580fbbb7ac4d2e1222e085efcb2
- SHA1 9294fdf6e8e88082ecd5251d7798f17a821e02f9
- SHA512 3f4e8a658ed3b6a761545e21cdfc657430991ad9c00a8eacb750b7e3cf84139774f5bd673103f96f9f718f8421eef110fbcd31c8b4297238e999c5807ff881cf
- SSDEEP 1536:mhSUvJEGEfSySB59j+I3eTw/b7jZFVc5D4BtTGYywBu3PmaoCDSAz:0T+fSrbInY3eD4Btn2PHoKf
- TLSH T1A7B38C457390D070E0A21B345865C6B0AF36BC329BB984D737E87F9A7F716D0A636326
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin2\GameuxInstallHelper.dll
- Size 134KB
- SHA256 8f050d802e73433f61a9a8ce856ba6176694bc60c2b52bc1f26b31cd8ac66272
- MD5 a55364c451fd88ee8c6995d4a9c5087b
- SHA1 d8ce5d6a9cba61bf48b2f7aa9a5d5a50594a129c
- SHA512 32b337cbe1671ef6765520fdb6f8207b40cfae7650194f320704ef46fb2c30c8356ca6334c4a3fd8baf82529b55a8bdaa75bfecd3123d16ae44ebdd8b0cf6436
- SSDEEP 1536:5Q3QJLQ2OL8iv5fojsWdwquPlM2Pp0rK/PUU1v/E5BUKynXb5csbQbtmAiyhoYE3:5SEbON5lcujp0rOiiyhoE1I8MRPtr
- TLSH T1D4D38DD0D1C368D5F02FC0F29EE7B7FE9EAEA38A5660C966D51C1A5B392BB30550009C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\NorthbridgeSoftwareLtd\DocGridConverter\1.11.6989.2026110701194276\bin2\helper.exe
- Size 111KB
- SHA256 6fdff539806f0d7120cfb269fa7f3309d03aca2108e88debf6e84d7a1d56cee1
- MD5 a61adfacf76991100c5eee5199bec2fb
- SHA1 cb81d588764fa71c2a90760984bbe4f745fa3683
- SHA512 8bca828f2c4db185dfc53bee4214c6472f4b86db548c41fc94a3a1118edce94db312cf22d1efe4ca1ba16e7abc17dd970165efb075d688a400a8ea5b00e0bcf5
- SSDEEP 1536:LhSUvJEGEfSySB59j+I3eTw/b7jZFVc5D4BtTGYywBu3Pm0rK/PUU1v/E5BUKynO:dT+fSrbInY3eD4Btn2PlrOiiyho2
- TLSH T1FDB38D822790DC31E0A15A305956D2B16E377D63ABB4C6DF33403F6E3EB22D29632756
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-P0L77UVY7K.tmp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.tmp
- Size 4.2MB
- SHA256 8097e91b7080d47dba22b19174448967186736231e59c96c37a0fdffeab4d671
- MD5 f5b2bdebdc9778db6faed2c6e44d7b8c
- SHA1 809863e07fafe048ec69e0ea77085c7900cc580b
- SHA512 b4f8c99baa58886a14e087cba42a4bc005d70cf0dc46433098a74bf4f830ccdc975b8287c7acd1c11247b41aa76b6f7a350d668a168adebfb6911dcaad4e1737
- SSDEEP 98304:AiDj+6GqBH6KwsvcHJ4c91usxgkod1scw333a:JjpG5ucZus5Qn7
- TLSH T19A167E13B784653EE4AB1B3A483BA654993F7A303A16CC477BF4094C4F396807D2A797
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ទម្រង់លិខិតអនុញ្ញាតច្បាប់'.exe
- Size 2.1MB
- SHA256 9f87f4571c04c6246e502c26b949e1d50e859c773b77d64d07f4d1e26ac55f9b
- MD5 1d68d645954d014998603f0c01a68394
- SHA1 73155a249a9282928e0d61e8c51efed4c960ec06
- SHA512 df0e4cad0ec892dc077d124b2ef283cde15fd02a5e5e02e4af3af59d1f884ff952a08291e51e192e66b569f4e02fac15d240e51ecc20a1b61984c28a21e09f1a
- SSDEEP 24576:LXfPki0RBC19GXIVjh6qZqcGciqdIkCHYZQPikWMhujh3KyE8RsYS9TmXEcIz/AU:VoY6qqqGkCGkeFEviEl8XkWXKqK
- TLSH T1EDA5D03FB28B653DE46E5A367A72E264543B7A21A5128C16D7F4C84CCF250B01E3F687
- MD5 SHA1 SHA512 SSDEEP TLSH