Analysis
- max time kernel
148s - max time network
126s - 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, 19:52
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe
Resource
win11ltsc2024-20260911-en
11 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe
- Size 35KB
- Sample261009-ylvmcsszev
- SHA256 dd8e32027a21e1bf0fde17a40e8acea610b3db0ed2d29036394f1d94273390f9
- MD5 8682a8f11d6e387cea9df9eb898a7113
- SHA1 71f31e778a8ce1e98ca79395ff474a9cf280c150
- SHA512 f5b379dbb6e9836db57d2ec99eb7af962c3a2cc7256833ab9fb3a10e8594dddf6b3097d878d59cb08ddab2ef7785dc7784d7c2a676cd010db8ab2dbc2f6e1250
- SSDEEP 768:BlstUW1EBuvTu7sejyAxKcbKxX5cAiuRaslW2nllU8rUZiAY4iS/lU3auVN:3UUW1EAMGAx1ScAeultrUcVO/lU3aA
- TLSH T14BF2F12F443B4E89C5C9CC3B955116D027AAC362062AFF031F8BDE5EB87BD62468195F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
pid Process 5960 system.exe 4480 svchosts.exe 5164 svchostc.exe - Loads dropped DLL 1 IoCs
pid Process 5960 system.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\Online Service = "C:\\Windows\\system.exe" jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\svchosts.exe jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe File created C:\Windows\SysWOW64\svchostc.exe jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe -
resource yara_rule behavioral2/memory/3904-0-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3904-9-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/files/0x000f00000001c480-13.dat upx behavioral2/files/0x001000000001c48e-15.dat upx behavioral2/memory/4480-16-0x0000000000400000-0x0000000000412000-memory.dmp upx behavioral2/memory/5164-18-0x0000000000400000-0x000000000040D000-memory.dmp upx behavioral2/memory/4480-20-0x0000000000400000-0x0000000000412000-memory.dmp upx behavioral2/memory/5164-22-0x0000000000400000-0x000000000040D000-memory.dmp upx - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\system.exe jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe File created C:\Windows\msin32.dll jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe File opened for modification C:\Windows\sysini.ini jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe File opened for modification C:\Windows\sysini.ini system.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\Domain system.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname system.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 system.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchostc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchosts.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3904 jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe 3904 jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe 5960 system.exe 5960 system.exe 5960 system.exe 5960 system.exe 5960 system.exe 5960 system.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5960 system.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3904 wrote to memory of 5960 3904 jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe 89 PID 5960 wrote to memory of 4480 5960 system.exe 90 PID 5960 wrote to memory of 5164 5960 system.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.cm.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Windows\system.exeC:\Windows\system.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5960 -
C:\Windows\SysWOW64\svchosts.exesvchosts.exe -p33883⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4480
-
-
C:\Windows\SysWOW64\svchostc.exesvchostc.exe -p44883⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5164
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\svchostc.exe
- Size 12KB
- SHA256 06c7eb4b66f63fe5e5e94925f83f8eb53c739136642df45586a1de49c60425a1
- MD5 65ca4bafc45bee5b3adbd3f987bd6c8e
- SHA1 77dd749ac8bd00af1b37e33fe25082289cd42f12
- SHA512 b30d7c79e245e2e49e18e039ecc133ad41048a0546edce6908419a658d2cd4c9448955835fa749fe10869c36851c651a8e6d0b507175bd3313722cc1ae5d8487
- SSDEEP 192:SyGFxwPWBeoKC+C084fcXFM9tO0yEtK/N5KqrYuvtjvOv2SSnp:SyaxOWBt+FEXFM71tU55RJOQ
- TLSH T13B42B0A5252F5EB3C1CE5733EA6B54790A8112EC8B7E990087CDF13B3C41AB1D50B25B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\svchosts.exe
- Size 17KB
- SHA256 be4288fb7caa14c8b90689adaf47196e43de412ec3714aa38c3f9ca6dec6f36e
- MD5 1a85fc74201e4596f5f80a7ceaa14aa5
- SHA1 870061b4d1db1b7b735e3bc4404c7ca0f26c88d9
- SHA512 3d6366c80fe0b0d435cebc21fed2a2491cc3b0a55597beb4cceb0a9af22a204717384f33b79ce094f4d8409a6be6bac949b562236fcbede1aafa64deb1bfc52f
- SSDEEP 384:o8fHbu2E60jHxT7kM+88IDOKr9QtDNWyoUvulN/Ksc43H+CPqM:tu2E62xToM+8VlpUpWyvUKZ437q
- TLSH T18D82C0CAD67C2CCEE08A847ECF994B215385C5B9639BDE4B0FC9454FBCDA940498C359
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\msin32.dll
- Size 3KB
- SHA256 96ed4791508a770f22452186367269267b51a348b6c76743957ccecc7ac2b285
- MD5 5d1c22dffd7f42500e9d9770c82d2848
- SHA1 09936269380e7eaf34d8ace05a99d2801ff95977
- SHA512 6119192379fa278702f5d511a88b579511f942a9555e0fe41e7ac27da2cec226a194cca56fd3361e2ad08f383db4d4a008ddc9294a6f8869a9da9155b0adc82b
- TLSH T16651DC13E36458B2C55D1BB052DB567BFA78502413B3A2070B25068A3CB6663AD3EF2A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\sysini.ini
- Size 42B
- SHA256 95edd82a58e7338cbfc267f71614f48ef7a2434f5f635e8d622f5de1a5a0f6f3
- MD5 01f5641239c88d486028c4fecab2169d
- SHA1 98b737ba0e731c1bc804900d34598e0a00b9faaa
- SHA512 7fe732228ae1dfdfc2eca0febd2bf389606f078449a872fde97996befe628216f13bcbc673592fd185360485894ed5befb9bcf8d278eb1fe399367d0e5d480b2
- MD5 SHA1 SHA512
- Path C:\Windows\system.exe
- Size 13KB
- SHA256 d9df3a90776d61776de7c5dadcca4cb8596671c9ebe334e614071a82adda30bd
- MD5 2198b7c5ec0abe44dc36b50aa377d4c6
- SHA1 87addae2e1163fc03985f088308fae593331c0b8
- SHA512 35d9b89abf193838bdfabd68a44af9aa2bd4fced7b6fa9af417212a9aaf3ed44b96e505f7ea842e2877c4debe53c15751b5da903d90d273ae0a7fab1e0741d97
- SSDEEP 192:4L/D7/HIg1tGHLldPJphk20bO4iGUYA1ycu9qbIeOQb:4bD7/HIg1tGrldrXLG/ncu9Kb
- TLSH T1D852B71F74488CB2C26284F3268956C4C79D427757AA6501DFA03C6575BB7F3EB3920E
- MD5 SHA1 SHA512 SSDEEP TLSH