12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac

General

Target

12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe
Size

192KB
MD5

6ec4773066390c793d4f7d011d8361c2
SHA1

6a5d14f41ad49c919de7dd0e369eaf36a9d79ce5
SHA256

12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac
SHA512

697aa9569a8b063aea2541d84d32954fd5a3062b4d8e87a179d3f3bf3ab38d7e7049aafaa3821d1f141449623a4b2c7fa3f5d9d7b4a23fcaa894628d23fcef34
SSDEEP

1536:7aHmH9uHl96PRi4iti93MH9iV6MRfWzzp3BHCeQbIYL29oPLJZ514R9/eJqi/7:qmH9a9oRi4itiSHXzp3fYhPLJGaD

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	feazuec.exe

Executes dropped EXE 1 IoCs

pid	Process
4432	feazuec.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe

Adds Run key to start application 2 TTPs 19 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /c"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /e"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /j"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /k"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /p"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /m"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /v"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /q"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /x"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /a"	feazuec.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /y"	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /t"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /o"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /r"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /b"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /w"	feazuec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feazuec = "C:\\Users\\Admin\\feazuec.exe /u"	feazuec.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4964	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe
4964	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4964	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4432	4964	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe	95
PID 4964 wrote to memory of 4432	4964	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe	95
PID 4964 wrote to memory of 4432	4964	12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe	95

C:\Users\Admin\AppData\Local\Temp\12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe
"C:\Users\Admin\AppData\Local\Temp\12b2e59979e3fa9cf78de9454abc902e4ca5231beb0bf047c08ef25864e5c7ac.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Users\Admin\feazuec.exe
  "C:\Users\Admin\feazuec.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  PID:4432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\feazuec.exe

Filesize
192KB

MD5
6c12ede9a3af53bfe7fbf540b9989877

SHA1
f6ce4f6d67e7452fa40a6e679a00dbf3fcd98ea1

SHA256
e39aa0f69c5cb8b9502969025768856732136bd39af645b0d648c3452ee93677

SHA512
077b308e9aa2d128bb1b674f6d24dcff4a40a06fe46f97f1302156e13f354bd62304c807d26272ed8839ef42705e5b83e026bcfe7d7048c734c39abe2891e22b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads