a3c14b0b4756017ee248d0fa029196060ca1f75a1fab7e9d81c74fbaac6a4797

Analysis

max time kernel
154s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
06-03-2022 17:05

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General

Target

a3c14b0b4756017ee248d0fa029196060ca1f75a1fab7e9d81c74fbaac6a4797.dll
Size

119KB
MD5

959ff528ddbee66e49992cd654d41bab
SHA1

7b54da1fb2cbe877b13de309c01a7112224e1f40
SHA256

a3c14b0b4756017ee248d0fa029196060ca1f75a1fab7e9d81c74fbaac6a4797
SHA512

ef0852311f23f255624c31f320847b5d6ea2da86d81e0693207444b39b73a0f58a0e3f847c585e1a734dc902b1a429c53e193f742e81a60399ac061e76623b54

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 7 IoCs

Processes:

rundll32.exe

flow pid process

23 1824 rundll32.exe
45 1824 rundll32.exe
48 1824 rundll32.exe
53 1824 rundll32.exe
54 1824 rundll32.exe
55 1824 rundll32.exe
56 1824 rundll32.exe

flow	pid	process
23	1824	rundll32.exe
45	1824	rundll32.exe
48	1824	rundll32.exe
53	1824	rundll32.exe
54	1824	rundll32.exe
55	1824	rundll32.exe
56	1824	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

rundll32.exe

pid	process
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe
1824	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 752 wrote to memory of 1824	752	rundll32.exe	rundll32.exe
PID 752 wrote to memory of 1824	752	rundll32.exe	rundll32.exe
PID 752 wrote to memory of 1824	752	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c14b0b4756017ee248d0fa029196060ca1f75a1fab7e9d81c74fbaac6a4797.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c14b0b4756017ee248d0fa029196060ca1f75a1fab7e9d81c74fbaac6a4797.dll,#1
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1824

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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