473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d

Analysis

max time kernel
150s
max time network
139s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 22:32

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General

Target
jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe
Size 48KB
Sample260925-2fzkxa1thy
SHA256 473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d
MD5 7466ad83d6c5bf025368c2c7c29bb67a
SHA1 e9ddefb2e1210d3fe626f09469278eec79f9f787
SHA512 9e46722eeed61d2cabca8aa6c5b8a41064e7f3e74ca5fec2386fbf21696d5bcf6410030394b8a3220833c6a8bac584d237bed6e3b2635e3f8de199235a616fa6
SSDEEP 384:IC/4e9aHQtvYS+YqnQ7W7ZHZzQYAk+DPPPYLPmYzya7VQ/mU:IcfAYYShqsuZBX0DPPPYLP/Ga5Q/P
TLSH
T151234C8B9451A8B1C0EA0A7136A669076BEF8C3C36B850DBDB774CCC7DA904A61D5E07
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
4644	zesttnsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zesttns.dll	jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe
File created	C:\Windows\SysWOW64\zesttnsk.exe	jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.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
2364	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_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zesttnsk.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4896	jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe
4896	jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4644	4896	jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe	89
PID 4896 wrote to memory of 2364	4896	jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\zesttnsk.exe
  C:\Windows\system32\zesttnsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4644
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2364

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d.exe.bat
Size 274B
SHA256 feaf9c03300f0be973a7b91b4a0df25dc562484e71c45b9f0c11224a8cabaa72
MD5 88831c478eaef97a75ac24130e1cb3e8
SHA1 4604ca11df6161ea440f7d5a2e77fe23467795bc
SHA512 35f0faa4fefcb01d1b9144158a6d22f9435cf1bddd5d9f0918466e72d3f93d261c6df6535d6c4b33d2774d79a6f23f67ee2f184863b9d7f282fb178006b5008d
TLSH
T1A0D02B108213D5591C20DDBF93306B0973A16C645BCC2E051221C1CE221342CBBC6349
MD5 SHA1 SHA512 TLSH

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zesttnsk.exe

Path C:\Windows\SysWOW64\zesttnsk.exe
Size 48KB
SHA256 473a3cb3f4d491f19fad82354e751ba696ebf171799e6b01389f5b74e0e8eb7d
MD5 7466ad83d6c5bf025368c2c7c29bb67a
SHA1 e9ddefb2e1210d3fe626f09469278eec79f9f787
SHA512 9e46722eeed61d2cabca8aa6c5b8a41064e7f3e74ca5fec2386fbf21696d5bcf6410030394b8a3220833c6a8bac584d237bed6e3b2635e3f8de199235a616fa6
SSDEEP 384:IC/4e9aHQtvYS+YqnQ7W7ZHZzQYAk+DPPPYLPmYzya7VQ/mU:IcfAYYShqsuZBX0DPPPYLP/Ga5Q/P
TLSH
T151234C8B9451A8B1C0EA0A7136A669076BEF8C3C36B850DBDB774CCC7DA904A61D5E07
MD5 SHA1 SHA512 SSDEEP TLSH

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