ea5c9b5d0f6dd7bddd595bd6bfda7d48fe13656bf4a72f5ecfbd38cdd80cd9fb

Analysis

max time kernel
179s
max time network
211s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 20:38

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General

Target

STUDENT.exe
Size

1.5MB
MD5

2c0525fe09c3fc8f361664e9cec1cf39
SHA1

c8e060bafd2911d2faeaa7c41a40899008e5f401
SHA256

97af7e67acd9a53063171f2db69f43b56510c511c8f9486582a1f94b30addcbf
SHA512

ecf53dc361e0fd1d124b5178bb43de4174bf17c1bda8a50917bca9f1f4b584f1a60ef75e41f3a21e3d762725e96346839a49ae9bfae878f84ee68ee08c84e2bf
SSDEEP

24576:aQKgRLTkqhovL+xMSKLpqUbUUtfVD0LVAzDwQnQxxAK:PRiY/+UKfGVA4QnQxxA

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	STUDENT.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\feiyun = "C:\\Users\\Admin\\AppData\\Local\\Temp\\STUDENT.exe"	STUDENT.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1736	STUDENT.exe
1736	STUDENT.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1736	STUDENT.exe
1736	STUDENT.exe

C:\Users\Admin\AppData\Local\Temp\STUDENT.exe
"C:\Users\Admin\AppData\Local\Temp\STUDENT.exe"
1⤵
- Adds Run key to start application
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1736

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0xc8
1⤵
PID:1264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1736-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

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