6278921136bbcba97463cc35c8f4c47c8411ea04c4775328288b4bddaa1032e3

Analysis

max time kernel
111s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 23:54

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General

Target

32c9045d39bb696ea2946a36f1ad6e60N.exe
Size

66KB
MD5

32c9045d39bb696ea2946a36f1ad6e60
SHA1

48ca1a0fbeb6da1b04601f6d3949628405cdf92b
SHA256

6278921136bbcba97463cc35c8f4c47c8411ea04c4775328288b4bddaa1032e3
SHA512

e8461ba2a6afbc1bc369238933ebbc5741842b4fbaecb7fc4f8c8fbb7fd8dc45a5d2171fde33cebe3971b9b5c2222c646f5c082074e76fbcfd8ab2eddc29e8f8
SSDEEP

768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX63:Zr3Z5IfQIR81ad5yX63

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3020	attrib.exe

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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	32c9045d39bb696ea2946a36f1ad6e60N.exe

Executes dropped EXE 1 IoCs

pid	Process
400	lyghost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\lyghost.exe	32c9045d39bb696ea2946a36f1ad6e60N.exe
File opened for modification	C:\Windows\Debug\lyghost.exe	32c9045d39bb696ea2946a36f1ad6e60N.exe
File opened for modification	C:\Windows\Debug\lyghost.exe	attrib.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	lyghost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32c9045d39bb696ea2946a36f1ad6e60N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 3020	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe	84
PID 4008 wrote to memory of 3020	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe	84
PID 4008 wrote to memory of 3020	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe	84
PID 4008 wrote to memory of 1784	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe	90
PID 4008 wrote to memory of 1784	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe	90
PID 4008 wrote to memory of 1784	4008	32c9045d39bb696ea2946a36f1ad6e60N.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3020	attrib.exe

C:\Users\Admin\AppData\Local\Temp\32c9045d39bb696ea2946a36f1ad6e60N.exe
"C:\Users\Admin\AppData\Local\Temp\32c9045d39bb696ea2946a36f1ad6e60N.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\lyghost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:3020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\32C904~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1784

C:\Windows\Debug\lyghost.exe
C:\Windows\Debug\lyghost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\lyghost.exe

Filesize
66KB

MD5
04f1a3d167d174ae648c32a31fa6c694

SHA1
26c07dc6e8872549fa1aa2a18fb1c4e07bb21d84

SHA256
f8c3fefbfe29d15eb54004c6ce224b581cecb0df2d597c11f50d729f82258d19

SHA512
58437e05b3f8e8ed776d0d92e7d89e86e4f234afd9f172dc149a580ab6a1281f5bedc436d133e970c05091022c0e7cf20ad2776b1686cff972006b03c9914e59

Download Submit
memory/400-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4008-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4008-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads