Analysis
- max time kernel
150s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/10/2026, 16:03
Behavioral task
behavioral1
Sample
jaffacakes118_Backdoor.Win32.Agent.grgy.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Backdoor.Win32.Agent.grgy.exe
Resource
win11ltsc2024-20260911-en
9 signatures
150 seconds
General
- Target jaffacakes118_Backdoor.Win32.Agent.grgy.exe
- Size 360KB
- Sample261009-thjcpsbs2w
- SHA256 beec28d327625d54e2c16a5b1e7d1fa6b8870f6ec30813992c8a392bbb8720a0
- MD5 010f51eacac9150120761095bf3e8897
- SHA1 1638bd73f9b9b3dcced1e59e361964780ed1fb43
- SHA512 e8dd019cae8e8090e7f12fee4fc1627fd9a66cf110a3370222e917789ad09ae19555443c3d032f2e3253f7b8fa6f312b9fafd6c8133b99cc71993024dd5b49ad
- SSDEEP 3072:mxjMQVacnG3icUkYdT45/NEGI/Lc+EINkzT1diLUEuBfYcOR7itaoK8wdwiWAI:mxjlVJnQiGP/evc2gT1Wcog
- TLSH T1C7746203927F0756D4DE7224AF70496BCCF89ED650E2EC28EFA06D8EC939B915184736
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Gh0st RAT payload 4 IoCs
resource yara_rule behavioral2/memory/2928-3-0x0000000000400000-0x00000000004F0000-memory.dmp family_gh0strat behavioral2/memory/2928-5-0x0000000000400000-0x00000000004F0000-memory.dmp family_gh0strat behavioral2/memory/2936-6-0x0000000000400000-0x00000000004F0000-memory.dmp family_gh0strat behavioral2/memory/5096-7-0x0000000000400000-0x00000000004F0000-memory.dmp family_gh0strat - Executes dropped EXE 1 IoCs
pid Process 2928 svchest425075242507520.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_Backdoor.Win32.Agent.grgy.exe" jaffacakes118_Backdoor.Win32.Agent.grgy.exe -
resource yara_rule behavioral2/memory/5096-0-0x0000000000400000-0x00000000004F0000-memory.dmp upx behavioral2/files/0x0008000000016b43-2.dat upx behavioral2/memory/2928-3-0x0000000000400000-0x00000000004F0000-memory.dmp upx behavioral2/memory/2928-5-0x0000000000400000-0x00000000004F0000-memory.dmp upx behavioral2/memory/2936-6-0x0000000000400000-0x00000000004F0000-memory.dmp upx behavioral2/memory/5096-7-0x0000000000400000-0x00000000004F0000-memory.dmp upx - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\Windows\svchest425075242507520.exe jaffacakes118_Backdoor.Win32.Agent.grgy.exe File created \??\c:\Windows\BJ.exe jaffacakes118_Backdoor.Win32.Agent.grgy.exe File opened for modification \??\c:\Windows\BJ.exe jaffacakes118_Backdoor.Win32.Agent.grgy.exe File created \??\c:\Windows\svchest425075242507520.exe jaffacakes118_Backdoor.Win32.Agent.grgy.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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_Backdoor.Win32.Agent.grgy.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Backdoor.Win32.Agent.grgy.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 jaffacakes118_Backdoor.Win32.Agent.grgy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchest425075242507520.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Backdoor.Win32.Agent.grgy.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5096 wrote to memory of 2928 5096 jaffacakes118_Backdoor.Win32.Agent.grgy.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096 -
\??\c:\Windows\svchest425075242507520.exec:\Windows\svchest425075242507520.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2928
-
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe1⤵
- System Location Discovery: System Language Discovery
PID:2936
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1776
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\svchest425075242507520.exe
- Size 360KB
- SHA256 beec28d327625d54e2c16a5b1e7d1fa6b8870f6ec30813992c8a392bbb8720a0
- MD5 010f51eacac9150120761095bf3e8897
- SHA1 1638bd73f9b9b3dcced1e59e361964780ed1fb43
- SHA512 e8dd019cae8e8090e7f12fee4fc1627fd9a66cf110a3370222e917789ad09ae19555443c3d032f2e3253f7b8fa6f312b9fafd6c8133b99cc71993024dd5b49ad
- SSDEEP 3072:mxjMQVacnG3icUkYdT45/NEGI/Lc+EINkzT1diLUEuBfYcOR7itaoK8wdwiWAI:mxjlVJnQiGP/evc2gT1Wcog
- TLSH T1C7746203927F0756D4DE7224AF70496BCCF89ED650E2EC28EFA06D8EC939B915184736
- MD5 SHA1 SHA512 SSDEEP TLSH