Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 17:14
General
- Target jaffacakes118_Hoax.Win32.SpeedUpMyPC.zjr.exe
- Size 511KB
- Sample261009-vsb7tada73
- SHA256 cb017a27058302dc0a191716d15417f7467aeabe3fb6a2dbf0eb776581ca8fff
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 17 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in Program Files directory 20 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- 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.
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Hoax.Win32.SpeedUpMyPC.zjr.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Hoax.Win32.SpeedUpMyPC.zjr.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\nspF3AE.tmp\7za.exe"C:\Users\Admin\AppData\Local\Temp\nspF3AE.tmp\7za.exe" e -y -o"C:\Program Files (x86)\Easy Speed Check" C:\Users\Admin\AppData\Local\Temp\nspF3AE.tmp\easyspeedcheck.data2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
-
C:\Program Files (x86)\Easy Speed Check\easyspeedcheck.exe"C:\Program Files (x86)\Easy Speed Check\easyspeedcheck.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
LIBEAY32.dll
SSLEAY32.dll
easyspeedcheck.exe
libcurl.dll
libgcc_s_dw2-1.dll
libidn-11.dll
libstdc++-6.dll
zlib1.dll
7za.exe
System.dll
easyspeedcheck.data
inetc.dll
nsExec.dll
memory/2028-114-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-106-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-137-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-136-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-135-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-134-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-133-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-132-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-131-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-130-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-129-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-128-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-127-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-126-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-125-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-124-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-123-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-122-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-121-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-120-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-119-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-118-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-117-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-116-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-115-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-251-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-113-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-112-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-111-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-110-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-109-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-108-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-107-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-138-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-105-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-104-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-103-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-102-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-101-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-100-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-99-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-97-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-96-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-95-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-94-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-93-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-92-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-91-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-90-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-89-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-88-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-87-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-86-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-85-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-84-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-83-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-77-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-76-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-250-0x0000000000401000-0x000000000040C000-memory.dmp
memory/2028-98-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-81-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-82-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-80-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-79-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-78-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-139-0x0000000000400000-0x0000000000428000-memory.dmp