fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec

General

Target

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
Size

344KB
MD5

4304fa8463822a3a9d3ea07f0f316fb0
SHA1

da4c84bd256c6c7361fc47b5a20afdae99a6ce77
SHA256

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec
SHA512

35348c0895739ffde5562e21622d330f14a115a448c070742e83048d77c2e5156ee3841ba80ffecc710dcad3300cb52dedaef0f9ef56e9b7c1396183d49042c0
SSDEEP

6144:jvDPiZeqaPzJwCT0znucerL3tjRs2Ufg/4t/a2rBTATZUEUxDuus5As01uudY+oP:DwaPfjRsQ6a2NdX5oeg

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:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exefoaiyop.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	foaiyop.exe

Executes dropped EXE 1 IoCs

Processes:

foaiyop.exe

pid process

4992 foaiyop.exe

pid	process
4992	foaiyop.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:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exefoaiyop.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows\CurrentVersion\Run\	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaiyop = "C:\\Users\\Admin\\foaiyop.exe /c"	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows\CurrentVersion\Run\	foaiyop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaiyop = "C:\\Users\\Admin\\foaiyop.exe /p"	foaiyop.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exefoaiyop.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	foaiyop.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	foaiyop.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

1552 3172 WerFault.exe fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe

pid	pid_target	process	target process
1552	3172	WerFault.exe	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exefoaiyop.exe

pid	process
3172	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
3172	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
4992	foaiyop.exe
4992	foaiyop.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exefoaiyop.exe

pid process

3172 fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
4992 foaiyop.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe

description	pid	process	target process
PID 3172 wrote to memory of 4992	3172	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe	foaiyop.exe
PID 3172 wrote to memory of 4992	3172	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe	foaiyop.exe
PID 3172 wrote to memory of 4992	3172	fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe	foaiyop.exe

C:\Users\Admin\AppData\Local\Temp\fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe
"C:\Users\Admin\AppData\Local\Temp\fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3172

C:\Users\Admin\foaiyop.exe
"C:\Users\Admin\foaiyop.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 1540
2⤵
- Program crash
PID:1552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3172 -ip 3172
1⤵
PID:2108

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

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\foaiyop.exe
Filesize
344KB

MD5
4304fa8463822a3a9d3ea07f0f316fb0

SHA1
da4c84bd256c6c7361fc47b5a20afdae99a6ce77

SHA256
fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec

SHA512
35348c0895739ffde5562e21622d330f14a115a448c070742e83048d77c2e5156ee3841ba80ffecc710dcad3300cb52dedaef0f9ef56e9b7c1396183d49042c0

Download Submit
C:\Users\Admin\foaiyop.exe
Filesize
344KB

MD5
4304fa8463822a3a9d3ea07f0f316fb0

SHA1
da4c84bd256c6c7361fc47b5a20afdae99a6ce77

SHA256
fdf49c3e163e5417f6401a3fc221a6440ed32beeacec4f7045812a54cc3ff6ec

SHA512
35348c0895739ffde5562e21622d330f14a115a448c070742e83048d77c2e5156ee3841ba80ffecc710dcad3300cb52dedaef0f9ef56e9b7c1396183d49042c0

Download Submit
memory/4992-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads