46604cb79716d7402b03cf68c6aa353d1c560d750bc82a1b4d549309a4d58ff4

Analysis

max time kernel
141s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2024 01:08

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General

Target

Email-Worm/Kiray.exe
Size

13KB
MD5

f22ae972aee081ec86faa30e73d9675f
SHA1

a559057e10f7e524688043ca283e2380739d6744
SHA256

166865fdb90e7964e7ea57a282343026d878230215e5694145f88a8afb56132f
SHA512

80c000c1ee73a402d0960ee768272096541786eacda7b938f9791ca3da067f5838c6850c74dff466cccde11851989062328b4a3d87b2eb99a6cac0efcf45f4c1
SSDEEP

384:XTm/Ye8zdTyBsyqAIZhgMFfpX5xqd1SJ5m:XHWsyqAggUnJI

Score

7^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

Kiray.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	Kiray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "c:\\windows\\temp\\Kiray.exe"	Kiray.exe

Modifies registry class 2 IoCs

Processes:

Kiray.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	Kiray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "c:\\windows\\temp\\Kiray.exe"	Kiray.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Kiray.exe

pid process

1284 Kiray.exe

pid	process
1284	Kiray.exe

C:\Users\Admin\AppData\Local\Temp\Email-Worm\Kiray.exe
"C:\Users\Admin\AppData\Local\Temp\Email-Worm\Kiray.exe"
1⤵
- Modifies system executable filetype association
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1284-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1284-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download