f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b

General

Target

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
Size

132KB
MD5

a9cd1d28e8169c23f6434a4bcb71079f
SHA1

21802feb7239ba01357fdde4ac2141e1e102e78e
SHA256

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b
SHA512

592352bc9a09314190e6da252248ed2b3d28509ee9f8b745731ddf3803fbc175af99bb7fe3b3e5e81c6d01bf1fc74ee38c28f82bb6954bd38970e1292e4f5495
SSDEEP

1536:B5g2SQl9LWYdNX9jLEuD9hJx8ghgNMCI+yczZM:AEnLW+NX9jL7hR+NTWKZM

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

Processes:

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exeviied.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	viied.exe

Executes dropped EXE 1 IoCs

Processes:

viied.exe

pid process

3972 viied.exe

pid	process
3972	viied.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

Processes:

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

viied.exef61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /l"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /w"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /h"	viied.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /a"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /p"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /x"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /u"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /i"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /o"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /b"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /t"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /k"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /e"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /d"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /q"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /h"	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /z"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /r"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /y"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /c"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /g"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /j"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /m"	viied.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /v"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /n"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /s"	viied.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viied = "C:\\Users\\Admin\\viied.exe /f"	viied.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3248 2080 WerFault.exe f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe

pid	pid_target	process	target process
3248	2080	WerFault.exe	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exeviied.exe

pid	process
2080	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
2080	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe
3972	viied.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exeviied.exe

pid process

2080 f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
3972 viied.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe

description	pid	process	target process
PID 2080 wrote to memory of 3972	2080	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe	viied.exe
PID 2080 wrote to memory of 3972	2080	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe	viied.exe
PID 2080 wrote to memory of 3972	2080	f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe	viied.exe

C:\Users\Admin\AppData\Local\Temp\f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.exe
"C:\Users\Admin\AppData\Local\Temp\f61957fec55ace371566a67f137e6dfb0a10ef5bde54cc9c098f3d7f4459b94b.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:2080

C:\Users\Admin\viied.exe
"C:\Users\Admin\viied.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 1448
2⤵
- Program crash
PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2080 -ip 2080
1⤵
PID:1208

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\viied.exe
Filesize
132KB

MD5
0f5cf16519d782df2bb136fdf71cb230

SHA1
3f3ab33f5de4d0ca892ed92c159b094e40051516

SHA256
b0616c8ad246cdcfb809c9dc693540e3ee82e3517c5dbacf6f81c6047cb2cb5f

SHA512
db7a49afb5b4482700988e411cafa0f17f2515a846b60974a6c4e01527b9c5272ee6d8e5b019f53a58045d0378fc1c3b25497f0f4ce3983f93c9c8cebd03f08a

Download Submit
C:\Users\Admin\viied.exe
Filesize
132KB

MD5
0f5cf16519d782df2bb136fdf71cb230

SHA1
3f3ab33f5de4d0ca892ed92c159b094e40051516

SHA256
b0616c8ad246cdcfb809c9dc693540e3ee82e3517c5dbacf6f81c6047cb2cb5f

SHA512
db7a49afb5b4482700988e411cafa0f17f2515a846b60974a6c4e01527b9c5272ee6d8e5b019f53a58045d0378fc1c3b25497f0f4ce3983f93c9c8cebd03f08a

Download Submit
memory/3972-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads