2ed870973f42ecd68c5aac07f275bbed5ecaabe22ccba71ce97a54d4311ec448

Analysis

max time kernel
0s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 14:55

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General

Target

rtys/rtys.exe
Size

2.0MB
MD5

932bbb94ee43750f280113c22b6d3544
SHA1

e530856792b3e05fd6cfbf30c99e406f282d1b32
SHA256

420b886bec61de109a49126bf8227a9127851b0b02e9aa38a4bcb814826b2dc1
SHA512

681ad6c098c04019f1f65a072e08ce6fa9c15b10a968f6a5169b4a4cabb5005a47992ffa7a479a0710d88e6546028bca940c0f3a30da659c79de4c80e06d738d
SSDEEP

49152:Gp8nE6POb5hqvPh2yFukumBqsoJ+c0oOAFaBvtcrQtjfznY:XHObvIwyb/qpJbnmWctjfzY

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2212-0-0x0000000000400000-0x00000000004CD000-memory.dmp	upx
behavioral1/memory/2212-16-0x0000000000400000-0x00000000004CD000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	rtys.exe

Modifies registry class 20 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C453F21-396D-11D5-9734-70E252C10127}\LocalServer32	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C453F21-396D-11D5-9734-70E252C10127}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rtys\\rtys.exe"	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.eBookNSHandler\ = "eBookNSHandler"	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D173E10A-001D-4318-9822-8C97A8418482}	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.ExternalNSHandler	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.ExternalNSHandler\Clsid	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D173E10A-001D-4318-9822-8C97A8418482}\ProgID\ = "rtys.ExternalNSHandler"	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C453F21-396D-11D5-9734-70E252C10127}	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C453F21-396D-11D5-9734-70E252C10127}\ProgID	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D173E10A-001D-4318-9822-8C97A8418482}\ = "ExternalNSHandler"	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C453F21-396D-11D5-9734-70E252C10127}\ = "eBookNSHandler"	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D173E10A-001D-4318-9822-8C97A8418482}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rtys\\rtys.exe"	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.ExternalNSHandler\ = "ExternalNSHandler"	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.ExternalNSHandler\Clsid\ = "{D173E10A-001D-4318-9822-8C97A8418482}"	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.eBookNSHandler	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.eBookNSHandler\Clsid\ = "{9C453F21-396D-11D5-9734-70E252C10127}"	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D173E10A-001D-4318-9822-8C97A8418482}\LocalServer32	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D173E10A-001D-4318-9822-8C97A8418482}\ProgID	rtys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtys.eBookNSHandler\Clsid	rtys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C453F21-396D-11D5-9734-70E252C10127}\ProgID\ = "rtys.eBookNSHandler"	rtys.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2212	rtys.exe
2212	rtys.exe

C:\Users\Admin\AppData\Local\Temp\rtys\rtys.exe
"C:\Users\Admin\AppData\Local\Temp\rtys\rtys.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2212-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2212-0-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2212-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2212-18-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download