362bb9535f6ec857e793c6649875fc3b3969d2a238a3bec7cc7f9ebe3898275b

Analysis

max time kernel
148s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/10/2026, 21:50

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General

Target
jaffacakes118_Packed.Win32.Klone.bz.exe
Size 135KB
Sample261011-1pyvasxwft
SHA256 362bb9535f6ec857e793c6649875fc3b3969d2a238a3bec7cc7f9ebe3898275b
MD5 eec8b457869c2348f48b08de1e3f6759
SHA1 234318b0694759691d3307c4bfacd622845ef370
SHA512 274ab49c2f0eb6fdde471004d1992476bc40ca1f1abd84a3ec3dda4794d0036ff37620352a35b8ecf3b4ba3a496793f0623f83dcdc6df9dd6fec963b9415289d
SSDEEP 3072:R4s6sJcLsV6nDP60w15+4Z8ebNUuH0H4G4CtSIZYlQEvPjA6fwvB0out:J6kcL16/VH8J4CtTZmPjA6ovGoS
TLSH
T1F3D3125D18C21AD3EE3937B72815F4D436E265CE3ADE828AB76D0046D2B7DD8BB00099
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4360	msprxysvc32.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	msprxysvc32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msprxysvc32.exe	msprxysvc32.exe
File created	C:\Windows\SysWOW64\msprxysvc32.exe	jaffacakes118_Packed.Win32.Klone.bz.exe
File opened for modification	C:\Windows\SysWOW64\msprxysvc32.exe	jaffacakes118_Packed.Win32.Klone.bz.exe
File opened for modification	C:\Windows\SysWOW64\msprxysvc32.exe	msprxysvc32.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.

execution

Windows Command Shell

T1059.003

pid	Process
1524	cmd.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Packed.Win32.Klone.bz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msprxysvc32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4360	4636	jaffacakes118_Packed.Win32.Klone.bz.exe	90
PID 4360 wrote to memory of 1524	4360	msprxysvc32.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Klone.bz.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Klone.bz.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\msprxysvc32.exe
  C:\Windows\system32\msprxysvc32.exe 1092 "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Klone.bz.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\del.bat C:\Windows\SysWOW64\msprxysvc32.exe
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1524

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

del.bat

Path C:\Users\Admin\AppData\Local\Temp\del.bat
Size 136B
SHA256 bac7cce52aeba3a2e2ce2bb6aebf50ffa65530d0d51ca49a2abc7f4e43ce3ce5
MD5 bfcf9cc6d1c37953dfa43312e2c36140
SHA1 07a4c0f29b282c34be24c312c4b920e479f4cee0
SHA512 fb661474557e7168d4050607863b57649fa12a26ab9bd06078ae3254d003d76cfed4eac3d0a78a56eaf0ecc5b231d52788b6c8688cb14b0c86a37efe90f5f53a
TLSH
T145C02BA3D100A54BC0A04609007921C8A14EB5E91C932D828323C87518D14DCF1E3E40
MD5 SHA1 SHA512 TLSH

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msprxysvc32.exe

Path C:\Windows\SysWOW64\msprxysvc32.exe
Size 135KB
SHA256 362bb9535f6ec857e793c6649875fc3b3969d2a238a3bec7cc7f9ebe3898275b
MD5 eec8b457869c2348f48b08de1e3f6759
SHA1 234318b0694759691d3307c4bfacd622845ef370
SHA512 274ab49c2f0eb6fdde471004d1992476bc40ca1f1abd84a3ec3dda4794d0036ff37620352a35b8ecf3b4ba3a496793f0623f83dcdc6df9dd6fec963b9415289d
SSDEEP 3072:R4s6sJcLsV6nDP60w15+4Z8ebNUuH0H4G4CtSIZYlQEvPjA6fwvB0out:J6kcL16/VH8J4CtTZmPjA6ovGoS
TLSH
T1F3D3125D18C21AD3EE3937B72815F4D436E265CE3ADE828AB76D0046D2B7DD8BB00099
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4360-4-0x0000000000400000-0x000000000049F000-memory.dmp

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memory/4360-6-0x0000000000400000-0x000000000049F000-memory.dmp

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memory/4636-0-0x0000000000400000-0x000000000049F000-memory.dmp

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memory/4636-3-0x0000000000400000-0x000000000049F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads