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
06/10/2026, 12:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe
- Size 24KB
- Sample261006-pg53vsx16r
- SHA256 3058d94d789da7fea33e7e0035dba137c5e7ade9b9dbb590cf0ca47190139933
- MD5 40430a5dc00e3ca279999bc6dca7a791
- SHA1 2e7b63297ca1476a45209b420d448e8e4303b075
- SHA512 b46d3150689f2cce0239c3b2ff61d1ea8b9f52f4f4673f99f5b56afb64290f93a129dc871802821185b8a9e72e317af5e30d84b76570ce2146e0bba9c42c09f3
- SSDEEP 384:T801guUPQcHnWjprgox3neC8wteoNYRa235miDUwfBv61B:T801F0QcHWjpnx3neC8wteoNYRa2Jmi4
- TLSH T1F5B25C13C468CD76C99109B013E73EB5495B297C4B8538DFF3C5DA65287A8B1B27A30E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\apphxz.bat jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe File created C:\Windows\SysWOW64\kyasyyiwt.bat jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4856 cmd.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_Trojan-Downloader.Win32.Selvice.ba.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.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_Trojan-Downloader.Win32.Selvice.ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5764 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 5764 PING.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5788 wrote to memory of 4856 5788 jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe 90 PID 4856 wrote to memory of 5764 4856 cmd.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe"1⤵
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5788 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\kyasyyiwt.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\PING.EXEping -n 3 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:5764
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\apphxz.bat
- Size 133B
- SHA256 14767d321d7d7cf5665077306cc47c691d22b1034f65aa0f97aa0e3d3ddd05de
- MD5 dc71e377e16935a5bcf35a65acf40521
- SHA1 201409df5af37f5101217717d2fb2dbaaf8f1a0e
- SHA512 376a295a4cd5c3a4a7303934f2986118e78dac588c4a2654e0d9726ac6cd036a32ea08102b41dd002d3fcb4627fcfbe5550fbe4523b2d112f7b9ea1f7e0f2184
- TLSH T16CC02BEF418244584800D063003C4B4FC00004C63B0D3B100312818E41F20AA610B635
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\kyasyyiwt.bat
- Size 100B
- SHA256 bfdf1ef214ebc942df7dbc694a8bc5527c958b92e7f11a0bf8446a47669c51ff
- MD5 9bd0d30057d3939ba9771eba97f3816b
- SHA1 ae41e6ae5ae38f115d663010344bdd3f179ee4bc
- SHA512 d7848fd98f73beddddeb7bec715855b8aacd6b2e2d0be36f24865bfb47ca35038e65c4fbd6deac72fef97e2fa0786f2f8bd1ff0b31468ada13f0f47bf8b11323
- TLSH T171B0123045EC20F2C010D439408D0A1C032CF09E1D28082800C038C9ED90C0D0F10DFC
- MD5 SHA1 SHA512 TLSH