d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2023, 18:25

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General

Target

d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe
Size

198KB
MD5

fc99c66291a91cf310e8dc810274bdf0
SHA1

004fbdc9c2f0fad57a98f1a83687524ace50aa0d
SHA256

d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c
SHA512

f75f7c8408b2ebe8a78a032529c039d426ad4550c3cba47a0f9aa499daa679e6662969a3b77a0efbd1adebd8b11c59081ddab962db115eedbd2c6c3402b92573
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOf:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXa

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe

Executes dropped EXE 1 IoCs

pid	Process
4000	lyghost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\lyghost.exe	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe
File opened for modification	C:\Windows\Debug\lyghost.exe	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	lyghost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	lyghost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2848	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 4224	2848	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe	86
PID 2848 wrote to memory of 4224	2848	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe	86
PID 2848 wrote to memory of 4224	2848	d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe	86

C:\Users\Admin\AppData\Local\Temp\d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe
"C:\Users\Admin\AppData\Local\Temp\d6639c9cf43e19e53fab1b9679d57eee960b6cee5efd017b37791feaadbdbf1c.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D6639C~1.EXE > nul
  2⤵
  PID:4224

C:\Windows\Debug\lyghost.exe
C:\Windows\Debug\lyghost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\lyghost.exe

Filesize
198KB

MD5
d1bf7bf2fe6d2ca78d86d7f36798f8bd

SHA1
f622bcbcd2c6cefd692a36e7447159af245d493a

SHA256
969e59f503cf30f90310ec663b50484f24441517e488706089e0d0571c9f9bcd

SHA512
2361c196a3e9b5f34f2f028fceba2ca33069ccb12fef18e7050e449f1b0e0964311574cfa30ae6dc4912292bfb67d75b4d494d93f4db3bad7f48cab4db867a8e

Download Submit
C:\Windows\debug\lyghost.exe

Filesize
198KB

MD5
d1bf7bf2fe6d2ca78d86d7f36798f8bd

SHA1
f622bcbcd2c6cefd692a36e7447159af245d493a

SHA256
969e59f503cf30f90310ec663b50484f24441517e488706089e0d0571c9f9bcd

SHA512
2361c196a3e9b5f34f2f028fceba2ca33069ccb12fef18e7050e449f1b0e0964311574cfa30ae6dc4912292bfb67d75b4d494d93f4db3bad7f48cab4db867a8e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads