c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e

Analysis

max time kernel
123s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 09:03

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General

Target

c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe
Size

324KB
MD5

fb483a28d226865596be7eee3835f0d8
SHA1

1a17f6fde84203a2fd0a042c7aab4ecf32414781
SHA256

c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e
SHA512

58b723ad00489afe7c889ae850f8ac190babbfd114674351e561de658a06cbee5082d23d6635b2806781e8692065811f15823e6695e006966931bc9f6afc693f
SSDEEP

6144:qAoZqAYTSE0CzjeNH0LCZhwcU8oa7bN4iAdyk2xoexG:qZ0eZhJ9H7bSbMkWoexG

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\Windows\CurrentVersion\Run	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Office Outlook = "C:\\'\\'\\csrss.exe"	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\'\Desktop.ini	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe
File opened for modification	C:\'\Desktop.ini	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\Autorun.inf	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe
File opened for modification	C:\Autorun.inf	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1692	c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe

C:\Users\Admin\AppData\Local\Temp\c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe
"C:\Users\Admin\AppData\Local\Temp\c77e4ca0711859c750a706d84615db0db171cf743e74478fc1951a4427522a5e.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops autorun.inf file
- Suspicious use of SetWindowsHookEx
PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads