f04eb41324706f445ba2dd2555be6a1f64f45138955b08ac91737989ad8ffdc9

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/09/2026, 20:38

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General

Target
jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Size 599KB
Sample260919-zer4bsts2r
SHA256 f04eb41324706f445ba2dd2555be6a1f64f45138955b08ac91737989ad8ffdc9
MD5 b19316558953e06758e28355baf94dcd
SHA1 07bd6a846380c0f425f09bc665232cbdbd21b793
SHA512 ad5d15405764848271b4a8dd16cc2dc04575f9a4a6dee7a22af4c70455f4c5e12fd94a95831c6ecc13af0b7e50d191508e82535d8e34a631c16ccecc2e659c3a
SSDEEP 12288:UsAqMGHGSX1388BxGVI43GVpinJMcOf9GUfRNNghIelbRSJSvehmqfAWx:UsBbW1SaRsXGRS7T
TLSH
T19FD4233481711FEDFD8FE9365279B7984C7EB4D050FA6ABB0EEB010A5093C31ADA6512
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{22748C35-8B9A-11D5-EBA1-F78EEEEEE983}	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{22748C35-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjtc32.exe"	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\concp32.exe	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
File created	C:\Windows\SysWOW64\vcl32.exe	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
File created	C:\Windows\SysWOW64\msjtc32.exe	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
File opened for modification	C:\Windows\SysWOW64\msjtc32.exe	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5336	6008	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22748C35-8B9A-11D5-EBA1-F78EEEEEE983}\ax = a912eb89d2ae84c5a1e3458aa48913c6	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22748C35-8B9A-11D5-EBA1-F78EEEEEE983}	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22748C35-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	jaffacakes118__b19316558953e06758e28355baf94dcd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22748C35-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
6008	jaffacakes118__b19316558953e06758e28355baf94dcd.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__b19316558953e06758e28355baf94dcd.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__b19316558953e06758e28355baf94dcd.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:6008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 6008 -s 804
  2⤵
  - Program crash
  PID:5336