33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 10:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe
Size

94KB
MD5

6ce2458407f8d01cf4de84d6fd295400
SHA1

bd0a3b2dbb4719483c53372c46b58d1465bbd2f9
SHA256

33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1
SHA512

e77bcb50da2a01eec0e59ae32fbc622e3ab5b154bff800e457c24becbdf8f7ce80cddecc3cf46d7ac1ad4b2314f48bc46f7d37e311ad5f197bba70a0af0ffec4
SSDEEP

1536:VNoceSeJ0xgP5BgC6Vdv90Dw4WXJrLDc0Rz/gyzRZICrWaGZh7B:vRe465BgCuVG81U0Rz4CJrWNZ7

Score

7^/10

defense_evasion discovery persistence

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe

Executes dropped EXE 1 IoCs

pid	Process
1428	guifx.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.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
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 3 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	guifx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 1428	3552	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	82
PID 3552 wrote to memory of 1428	3552	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	82
PID 3552 wrote to memory of 1428	3552	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	82
PID 3552 wrote to memory of 1412	3552	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	92
PID 3552 wrote to memory of 1412	3552	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	92
PID 3552 wrote to memory of 1412	3552	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	92

C:\Users\Admin\AppData\Local\Temp\33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe
"C:\Users\Admin\AppData\Local\Temp\33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3552
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1428
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Graphics\guifx.exe

Filesize
94KB

MD5
3650c0e2dd5e9febf486cef341b839c3

SHA1
b0131e300d654716b491a608bd4e42f880a1eba2

SHA256
ab4fcb03877ed906b3987e4ac4dc0b2d39e9ce1b040706e223fdce56d22ee50a

SHA512
07a91bed7d9c65e0c1481f6748a82a4a0e4c3b609cf7146df065a0ab60e7cfeb59ecb7e2cb75a721b552351d763c12fa951b3a0ea08bc4e8d9fd7d409c242913

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads