347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d

General

Target

347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe
Size

7.5MB
MD5

4df7b6b2c0b2af911d07ce647e4fde06
SHA1

a6b3d14d44038f7f562a28146e560e2c79502ce1
SHA256

347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d
SHA512

9d2842a9e23884d2b0fd83bacf59474d866f36cfed04525a8dd5484af25052086ad699a771e7a501684f560b4094de0c485982572cea8e7cb55a745d52a4f5fe
SSDEEP

98304:Z8B8QTBVA/I7Cw1vYXvafY9DCMGLd51YkPu4cJMGBj4DhDZANxBYtsoIsS8LRsSr:08I0i2aQQM0LNPy8DpZ+C2o7X

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exe347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

pid process

4716 regsvr32.exe
1788 347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

description ioc process

File opened for modification \??\PhysicalDrive0 347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

pid	process
4716	regsvr32.exe
1788	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

Modifies registry class 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EyLogin.EyLoginSoft	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\VersionIndependentProgID\ = "EyLogin.EyLoginSoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\TypeLib\ = "{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\ = "IEyLoginSoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EyLogin.EyLoginSoft\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EyLogin.EyLoginSoft\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\ProgID\ = "EyLogin.EyLoginSoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eylogin.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\EyLogin.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EyLogin.EyLoginSoft\CLSID\ = "{C691BF80-87AF-43A7-AD56-28D5DA857FBD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eylogin.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\TypeLib\ = "{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{29D16463-BCC9-4BD5-B4E7-07CB4AC0768A}\ = "EyLogin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\EyLogin.DLL\AppID = "{29D16463-BCC9-4BD5-B4E7-07CB4AC0768A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\ = "EyLogin 1.0.2.5 ÀàÐÍ¿â"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{29D16463-BCC9-4BD5-B4E7-07CB4AC0768A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\ = "IEyLoginSoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EyLogin.EyLoginSoft\CurVer\ = "EyLogin.EyLoginSoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\ = "EyLoginSoft Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EyLogin.EyLoginSoft\ = "EyLoginSoft Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C691BF80-87AF-43A7-AD56-28D5DA857FBD}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6C8E441E-B77B-44AF-BBDA-548EA8FF0638}\TypeLib\ = "{B9096DAC-F8A6-4874-BDAC-C5A79217CE98}"	regsvr32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

pid	process
1788	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe
1788	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe

description	pid	process	target process
PID 1788 wrote to memory of 4716	1788	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe	regsvr32.exe
PID 1788 wrote to memory of 4716	1788	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe	regsvr32.exe
PID 1788 wrote to memory of 4716	1788	347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe
"C:\Users\Admin\AppData\Local\Temp\347050855cb2bf86e7df79c2c443006f42bf9008eb82e82a59e814d84b58783d.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\eylogin.dll"
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\eylogin.dll

Filesize
2.1MB

MD5
3bdb92b38bdc6a5702ec1454534d0951

SHA1
9276b0c8de889744fcdf34e7c81e158830b8bcbb

SHA256
25ba0f3a0f6ddb0e9b0078640a8a2a2bf7e8948e0579d2080379debc8a272681

SHA512
cff7a9033f7a141f52f0ad3152e97a5313f1185669d9e6da4d60a68602c6a1af3ec5250e1c39ea328758419e5d0a826bb5085f3e96fa4019f3c5c2e586f1c35f

Download Submit
memory/1788-7-0x0000000074160000-0x000000007462B000-memory.dmp

Filesize
4.8MB

Download
memory/1788-8-0x0000000074160000-0x000000007462B000-memory.dmp

Filesize
4.8MB

Download
memory/1788-10-0x0000000074160000-0x000000007462B000-memory.dmp

Filesize
4.8MB

Download
memory/4716-3-0x0000000074160000-0x000000007462B000-memory.dmp

Filesize
4.8MB

Download
memory/4716-4-0x0000000074160000-0x000000007462B000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads