33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1

Analysis

max time kernel
93s
max time network
25s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 10:01

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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

Deletes itself 1 IoCs

pid	Process
2548	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.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	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	guifx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2988	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	30
PID 3028 wrote to memory of 2988	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	30
PID 3028 wrote to memory of 2988	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	30
PID 3028 wrote to memory of 2988	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	30
PID 3028 wrote to memory of 2548	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	31
PID 3028 wrote to memory of 2548	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	31
PID 3028 wrote to memory of 2548	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	31
PID 3028 wrote to memory of 2548	3028	33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe	31

C:\Users\Admin\AppData\Local\Temp\33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe
"C:\Users\Admin\AppData\Local\Temp\33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\33550ea11484aef85219b652befc49c8cf1f3afc108506ee8774221c7d274eb1N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2548

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

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

\ProgramData\Graphics\guifx.exe

Filesize
94KB

MD5
038ee33ea1ea352edc0d189a0f14b1f6

SHA1
825e694691788907deb94b19a86564273f2285a1

SHA256
27404b7a35fb93245da381855229fbeafa7dbb5354c14de40255edf02fe50dea

SHA512
11a122c42c377d0777ee3890a598c4e862868710134da54134272617fb3444077c307def35dfd779e748f011377de0157dc007dadf562fac995c94a7b8f3df52

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads