aac3ac95a0a56e3f1b01c52446b6d83eeec32cf3557c0a7f0a87d1c43cd07980

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/10/2026, 19:15

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General

Target
jaffacakes118_Trojan-Dropper.Win32.Joiner.w.exe
Size 24KB
Sample261009-xygetsty7n
SHA256 aac3ac95a0a56e3f1b01c52446b6d83eeec32cf3557c0a7f0a87d1c43cd07980
MD5 65e3856dc866807601176f142a1a9e38
SHA1 428c617e776ddb40d2193c7fe2ffba736b94b48e
SHA512 2708f00c71021b9de6a8132fddd0312a3faaa9e1868124ca233e00c4d0f4c6c7ddb8224ce29b18e5a08bcdcdbb644aa54f2a361fc337dd196ad83d02f29cba94
SSDEEP 768:VIGxRh7JH5BMA+1yB9i4Dle//M/x3GyLRLOs:VIwHtsoDiCe/Ax3GyJb
TLSH
T139B2C09EEB75C7A0D4A5A0737826A7FAD20A5C71993F1341E1527C2F6EB22841C8CB35
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2532-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/2532-14-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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_Trojan-Dropper.Win32.Joiner.w.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000_Classes\Local Settings	jaffacakes118_Trojan-Dropper.Win32.Joiner.w.exe
Key created	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2296	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Joiner.w.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Joiner.w.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2532

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2296

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2532-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2532-14-0x0000000000400000-0x0000000000417000-memory.dmp