f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e

General

Target

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
Size

132KB
MD5

aa47de8e6debc2572675777331f8de8d
SHA1

bd181a7ab507a1d6891d96079dfa64344f8ff78c
SHA256

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e
SHA512

bf41564f0c38b785e314f98006361e2929a5c4343dacda2f05b3fd181bf4fa1dba0c308e243f5e02390601d7d91363f5e24990be29d564498341500c7d665fbd
SSDEEP

1536:g5uE+mXiYDf74oed/bzAmHawpglmxJAUbU0Gvlgbs4hdGoI+ycz5OR:YuDUiGspd/b3xv2gwS3WK5OR

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:

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exefoyez.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	foyez.exe

Executes dropped EXE 1 IoCs

Processes:

foyez.exe

pid process

4368 foyez.exe

pid	process
4368	foyez.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:

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

foyez.exef15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /f"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /v"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /g"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /l"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /h"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /q"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /p"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /b"	foyez.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /x"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /s"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /i"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /a"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /w"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /k"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /t"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /j"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /v"	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /e"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /z"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /o"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /u"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /y"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /d"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /m"	foyez.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /n"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /r"	foyez.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foyez = "C:\\Users\\Admin\\foyez.exe /c"	foyez.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

2288 1436 WerFault.exe f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe

pid	pid_target	process	target process
2288	1436	WerFault.exe	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exefoyez.exe

pid	process
1436	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
1436	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe
4368	foyez.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exefoyez.exe

pid process

1436 f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
4368 foyez.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe

description	pid	process	target process
PID 1436 wrote to memory of 4368	1436	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe	foyez.exe
PID 1436 wrote to memory of 4368	1436	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe	foyez.exe
PID 1436 wrote to memory of 4368	1436	f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe	foyez.exe

C:\Users\Admin\AppData\Local\Temp\f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.exe
"C:\Users\Admin\AppData\Local\Temp\f15a0f3232e100045194492f81da2692ab4923e1a77b7b97e120f6c8289f7f6e.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:1436

C:\Users\Admin\foyez.exe
"C:\Users\Admin\foyez.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:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1704
2⤵
- Program crash
PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1436 -ip 1436
1⤵
PID:4004

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\foyez.exe
Filesize
132KB

MD5
8b6e3e97f4640fddf15c6548b9a839cb

SHA1
c6917244eb69ada95a8f8b0f1a92d1e4f7da307c

SHA256
43c5f42406822891b8ff363a7c1df3ddfc5b52ac637e7a597f93f8eb7d0127bb

SHA512
aadd8d2bb29d565dc8e51d8b8f52ee7efa83a3558758b1638444522c3a54ab6568cda551f8712f7c78fd94042ef97ad7a93d0cc8c664cb05bd51abaebf0fbc5f

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

MD5
8b6e3e97f4640fddf15c6548b9a839cb

SHA1
c6917244eb69ada95a8f8b0f1a92d1e4f7da307c

SHA256
43c5f42406822891b8ff363a7c1df3ddfc5b52ac637e7a597f93f8eb7d0127bb

SHA512
aadd8d2bb29d565dc8e51d8b8f52ee7efa83a3558758b1638444522c3a54ab6568cda551f8712f7c78fd94042ef97ad7a93d0cc8c664cb05bd51abaebf0fbc5f

Download Submit
memory/4368-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads