Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/10/2026, 03:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe
Resource
win10v2004-20260911-en
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe
Resource
win11ltsc2024-20260911-en
14 signatures
150 seconds
General
- Target jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe
- Size 1.7MB
- Sample261016-dx4n7afd85
- SHA256 e36c6f7110bb2550eee4bb5f41182fcd5d8ebbbd73d4112b8d6a6702f343af11
- MD5 a3c258cf761418255d10258b94be6027
- SHA1 dede8f01934d69cac13ffa3db516f0be551bb6b0
- SHA512 3b05668d0ce2904d5bd91da874c42a45b7fa554d97fbda3f626db08664c1ad7d3e2d3757773603c7944991499d6546b197275629b9ded189f5cc097063744c63
- SSDEEP 49152:FdZ4ZnAUHbY1985VxSEGa6mxBfyhbo5oOLwGBM5nb7OEv:FdZ4VAC8X8bsixBfyhbznGGnb7Ow
- TLSH T111852323A9F104D5CFAFE8B3E1B7CC618D5B14D26692BBE4D5136134ACE07626F2E016
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2840 rtyuhbhgpjw.exe 3480 rtyuhbhgpjw.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\dhfygutrtyp = "cmd /c type C:\\Users\\Admin\\AppData\\Local\\Temp\\dhfygutrtyp.txt | cmd" reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\dhfygutrtyp = "cmd /c type C:\\Users\\Admin\\AppData\\Local\\Temp\\dhfygutrtyp.txt | cmd" reg.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini regasm.exe File opened for modification C:\Windows\assembly\Desktop.ini regasm.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2840 set thread context of 5944 2840 rtyuhbhgpjw.exe 95 PID 3480 set thread context of 4048 3480 rtyuhbhgpjw.exe 105 - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly regasm.exe File created C:\Windows\assembly\Desktop.ini regasm.exe File opened for modification C:\Windows\assembly\Desktop.ini regasm.exe - Enumerates video capture drivers 2 TTPs 1 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 regasm.exe - 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 jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain regasm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname regasm.exe - System Location Discovery: System Language Discovery 1 TTPs 10 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 rtyuhbhgpjw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rtyuhbhgpjw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5856 jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe 5856 jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe 2840 rtyuhbhgpjw.exe 2840 rtyuhbhgpjw.exe 3480 rtyuhbhgpjw.exe 3480 rtyuhbhgpjw.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5944 regasm.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 5856 jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe Token: SeDebugPrivilege 2840 rtyuhbhgpjw.exe Token: SeDebugPrivilege 3480 rtyuhbhgpjw.exe Token: SeDebugPrivilege 5944 regasm.exe Token: 33 5944 regasm.exe Token: SeIncBasePriorityPrivilege 5944 regasm.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5944 regasm.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 5856 wrote to memory of 1168 5856 jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe 89 PID 1168 wrote to memory of 2840 1168 cmd.exe 91 PID 2840 wrote to memory of 1364 2840 rtyuhbhgpjw.exe 92 PID 1364 wrote to memory of 6120 1364 cmd.exe 94 PID 2840 wrote to memory of 5944 2840 rtyuhbhgpjw.exe 95 PID 2840 wrote to memory of 5944 2840 rtyuhbhgpjw.exe 95 PID 2840 wrote to memory of 5944 2840 rtyuhbhgpjw.exe 95 PID 2840 wrote to memory of 5944 2840 rtyuhbhgpjw.exe 95 PID 2840 wrote to memory of 5944 2840 rtyuhbhgpjw.exe 95 PID 2748 wrote to memory of 1712 2748 cmd.exe 98 PID 2748 wrote to memory of 2236 2748 cmd.exe 99 PID 2236 wrote to memory of 3480 2236 cmd.exe 100 PID 3480 wrote to memory of 1268 3480 rtyuhbhgpjw.exe 102 PID 1268 wrote to memory of 1052 1268 cmd.exe 104 PID 3480 wrote to memory of 4048 3480 rtyuhbhgpjw.exe 105 PID 3480 wrote to memory of 4048 3480 rtyuhbhgpjw.exe 105 PID 3480 wrote to memory of 4048 3480 rtyuhbhgpjw.exe 105 PID 3480 wrote to memory of 4048 3480 rtyuhbhgpjw.exe 105 PID 3480 wrote to memory of 4048 3480 rtyuhbhgpjw.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.gcqm.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5856 -
C:\Windows\SysWOW64\cmd.exe"cmd"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe"C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\cmd.exe"cmd"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\reg.exereg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "dhfygutrtyp" /d "cmd /c type "C:\Users\Admin\AppData\Local\Temp\dhfygutrtyp.txt" | cmd"5⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:6120
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C:\Windows\Microsoft.net\Framework\v2.0.50727\regasm.exe"C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe"4⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5944
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C:\Windows\system32\cmd.exe"cmd /c type C:\Users\Admin\AppData\Local\Temp\dhfygutrtyp.txt | cmd"1⤵
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\Temp\dhfygutrtyp.txt "2⤵PID:1712
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C:\Windows\system32\cmd.execmd"2⤵
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe"C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\cmd.exe"cmd"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Windows\SysWOW64\reg.exereg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "dhfygutrtyp" /d "cmd /c type "C:\Users\Admin\AppData\Local\Temp\dhfygutrtyp.txt" | cmd"5⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1052
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C:\Windows\Microsoft.net\Framework\v2.0.50727\regasm.exe"C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4048
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:4784
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0972B7C417F696E06E186AEB26286F01_6DEFC1B0F00B73D870DAEE9AD78095DA
- Size 5B
- SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
- MD5 5bfa51f3a417b98e7443eca90fc94703
- SHA1 8c015d80b8a23f780bdd215dc842b0f5551f63bd
- SHA512 4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3D0AC26322348780E90E022EA217C58C
- Size 14KB
- SHA256 e919c8495d1f68f3d579cd32a11ecf9036326e507b14e753490fcc167db4ccc5
- MD5 f0187804ed9adc1a39500dac3d6694b6
- SHA1 1d9f3abd007f87c4c013df967fcd543ea76d3795
- SHA512 52b3753035e1764d0a0a62d7a6d96efd4be1850ee23205d623dd94e5a88022739cc172ec97fc10bb1e0835942a63023c8aa9829768498aea969f7d472feb61aa
- SSDEEP 192:0FK+MEJ9CdeOI6ixqo3G18sKgzw0ZpE4YWd9y4DUwAsPvGckh46o9mfYlPzC+L8X:0c+M+9/LHxv3w8XMZpY4DU7nKMu86Xru
- TLSH T110620DD89C6939D7B045A2B1C9CB5EEBCD72B18533D2840AD5A55F014822FCE9EE80F3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A3D5BF1283C2E63D8C8A8C72F0051F5A
- Size 834B
- SHA256 f64b94c786a213df5f80716f98b2e4f90edb77609b43dce1c788792f460a53dd
- MD5 6e7576248913afc6faab4229d85e3fcf
- SHA1 143ad96b5dbb9c61c0fd5c61c91ca2f60c171624
- SHA512 3481f48d977635f480beace91a79752fbc22377239d722cfc6921c63d9cc2ae3bf899c810d37d2939370867c8e323997ddd63a13aa823a6036e5ea332bed0c5c
- TLSH T1E4011E9644083012A4806B24C948ED5FCEB8A39D4FEC9802A0E48D8F5E53FF86B5216A
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0972B7C417F696E06E186AEB26286F01_6DEFC1B0F00B73D870DAEE9AD78095DA
- Size 398B
- SHA256 cb7d2b1d6def2cd5f3ec9f42843ba7fb929f84dceae5aad938a1e29c719bce30
- MD5 1909e1e75138a6f89431ad725df9fd56
- SHA1 eb24296b118afc62711d43914fb205a7c0ceed4c
- SHA512 c05dc6b8391e842eecd49aaf164c8bce6c5358499788126dfc4b8c9219071df4a8c770e256c439683bf1229f1c82df898c46dc55af3cf22754ca78df7a4fda51
- TLSH T156E0C2281EBD026EF0B0EEBA57CDE2E44AAAE151181D46EA20A05A063743E00DE66C30
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3D0AC26322348780E90E022EA217C58C
- Size 170B
- SHA256 9b9b6cee4835ab11e93173be37d6d9b4915ae649e9ff1a702440355cd42ae949
- MD5 bf80866ab53255545396420bb49c3092
- SHA1 8390c48a9b2731acf51cecc7fab3ffc9ab02565c
- SHA512 0ed3b9d72d8c87159117604a1ee49488013de66bc20e4ba94b7bdca63c015a2ad7368ffeef4ba1074cb186901a142fd0be4514808dc786b57fc8ec321b7dbf5d
- TLSH T14BC09B491F5453D5F1344D7DD49217217F365505FE82C3DD4B3161C45C7DA114931815
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8828F39C7C0CE9A14B25C7EB321181BA_3DF94EB797096674F7793A562A778C5F
- Size 392B
- SHA256 40bbdcd0cace56279823f41bf21818fef8507d18ae4fcee7c4b020dbaabeb565
- MD5 fa26b04be420b37ba5cb3dc5b35506c6
- SHA1 48fdf0a546cb42398dae16ef91fedad330d33747
- SHA512 e53e5919770af368b4d2d45a7c20d7a79b667dece0eda5292381c580bf71048218ce27fd2a38aa5695a13a5ba9cf2fabb7ffd8e8ab6aff29ac3573129615aeab
- TLSH T15BE072280DEE12AEF9B49D758BD9A0736902E101945803F150D06301BE03B101CB1830
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A3D5BF1283C2E63D8C8A8C72F0051F5A
- Size 178B
- SHA256 53a18a9465bed4a8debd2a314b0a0e26611c20c10b17df689cccbcc30023e56d
- MD5 e751e5aa4773b2759f47bf51660ae9ce
- SHA1 d70b163b77da4158d80f63f6b3a72720cfb4e75c
- SHA512 06b9a0e37b7f4daf7079687cf6fdc8655514158b441b3eb1a344ac626422064b74a31e99f0d5ff54bad2228518a9b8dfc5208be9a74f1aa7abd46eaa85043964
- TLSH T1E7C02B0437554700DA300D7D000A42104F303104E711C3104B3933146838A404C3BC11
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\dhfygutrtyp.txt
- Size 69B
- SHA256 c70d5705b162fa25bc23cc62298984991dd8c7861c3bd19ab0395d39c6a3a538
- MD5 02ed9bec65110e00bdf9af9a81edd96d
- SHA1 3128f98687668a9dcf57810e655c2a1d2e1f5c83
- SHA512 8a67a92886ee3788b6e4f11129bf397da4b97da07a6e5aa17fcc678dea69fecbe6f35ecb7ba24645ca29154e7a5b5acdf4936cfda7182c479cd9b7dca9de0ce7
- TLSH T1CAA0222282C2C30C880300032BB0BC2E00B3BAE03E882000E300828B22C0008A8C820E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\sfghnjrkpp\rtyuhbhgpjw.exe
- Size 1.7MB
- SHA256 e36c6f7110bb2550eee4bb5f41182fcd5d8ebbbd73d4112b8d6a6702f343af11
- MD5 a3c258cf761418255d10258b94be6027
- SHA1 dede8f01934d69cac13ffa3db516f0be551bb6b0
- SHA512 3b05668d0ce2904d5bd91da874c42a45b7fa554d97fbda3f626db08664c1ad7d3e2d3757773603c7944991499d6546b197275629b9ded189f5cc097063744c63
- SSDEEP 49152:FdZ4ZnAUHbY1985VxSEGa6mxBfyhbo5oOLwGBM5nb7OEv:FdZ4VAC8X8bsixBfyhbznGGnb7Ow
- TLSH T111852323A9F104D5CFAFE8B3E1B7CC618D5B14D26692BBE4D5136134ACE07626F2E016
- MD5 SHA1 SHA512 SSDEEP TLSH