654a953494447af59862ce0b22977af7ad039cb5080702633b776fb7c28a4a52

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 04:52

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General

Target

YiqilaiLyrics.dll
Size

136KB
MD5

1173568d20839a0c40bd0d64309dda11
SHA1

f61e060c4ad8ea149253bebf1292f61384181acb
SHA256

d1a4269f7eca0c7552f9b6b9633973c6c31c19447ef552788816d8f4b358d5cb
SHA512

cf3c242def6010d18a7739989d2c17c130deb182e84df734ede75f446fe9ba8b57604112c0fe8b205ecb442d0a854b631a88190d2141cc3df331d8233880e0ea
SSDEEP

3072:8NroPnyMEfcv3V4/mL2ZznN4tKeXn+Mra:uoPQfYWOqZLNnG

Score

3^/10

discovery

Malware Config

Signatures

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	regsvr32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\YiqilaiLyrics.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}\TypeLib\ = "{029FC9F0-08CA-4963-AC64-763CD37F826E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}\ = "YiqilaiLyrics Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7DBC6ADB-5788-4FB9-AEC3-B40A58AC11DF}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28
PID 2860 wrote to memory of 2900	2860	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\YiqilaiLyrics.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\YiqilaiLyrics.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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