922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905df

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:59

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General

Target

922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe
Size

77KB
MD5

6f84ce6ba0822d9abe7047316e3f41b0
SHA1

680ede74f8dba6ff5fbdec6938a2ee1e17315aab
SHA256

922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905df
SHA512

0c521d175bf4f850a62caa9575dd7e26a827f7ae2a4a98df120394a5876f9eb01b5a568540ec25f7eedc1c7f498dfc26494b2244b4c0e658b4955812d5b86ece
SSDEEP

1536:nLNIW39SaZTbFARlq7jC1OZstZu0TS3gEdUJCkb0FGBo:nLlbZTZX3BAtTS3gEdUJCkb0FGa

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2772	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2152	guifx.exe

Loads dropped DLL 1 IoCs

pid	Process
2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.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\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	guifx.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2152	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	31
PID 2228 wrote to memory of 2152	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	31
PID 2228 wrote to memory of 2152	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	31
PID 2228 wrote to memory of 2152	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	31
PID 2228 wrote to memory of 2772	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	32
PID 2228 wrote to memory of 2772	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	32
PID 2228 wrote to memory of 2772	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	32
PID 2228 wrote to memory of 2772	2228	922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe	32

C:\Users\Admin\AppData\Local\Temp\922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe
"C:\Users\Admin\AppData\Local\Temp\922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2152
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\922e1fdb645279af1f55920741ceb4e1ba0520270e10e09dc92c958d259905dfN.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2772

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
77KB

MD5
72246a2206df4ced6ce65bbf6da49bd0

SHA1
f8e380bd0fff3198738d2d5e4798c04baa52e2af

SHA256
c82a3cd582a03aaef27cc354056556d93851f8a1410e8ba0329ee99a7365077b

SHA512
129451315ed9e4eb9b8278ffad02683784200678e54451afbc63f7f29027a1ba6384a7dd64c0897b1df1683165afe77f70158657a132f1759331372ace8b3435

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads