36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7

General

Target

36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
Size

360KB
MD5

34d456609d85569a2a968b74b8420b9b
SHA1

173e1c9a8738de287f0997cc9249a3d9fbbbaa58
SHA256

36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7
SHA512

988cee330c55c2c8a09c68739810c70bad71b73d14bee0740035a4bea344ccc2a4971cc961c4166792bfc04f3b3ce5c1f6ad225c4cd324fd7559d680246d351b
SSDEEP

6144:WLp2qUgX65Fpqsh4hXc4vt9YvEcd4MfkuxDTktpGa9:HFr4hXLkvEcd47WTkvGa9

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	fyxeop.exe

Executes dropped EXE 1 IoCs

pid	Process
1756	fyxeop.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fyxeop = "C:\\Users\\Admin\\fyxeop.exe /j"	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	fyxeop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fyxeop = "C:\\Users\\Admin\\fyxeop.exe /c"	fyxeop.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1224	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
1224	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
1756	fyxeop.exe
1756	fyxeop.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1224	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
1756	fyxeop.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1756	1224	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe	80
PID 1224 wrote to memory of 1756	1224	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe	80
PID 1224 wrote to memory of 1756	1224	36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe	80

C:\Users\Admin\AppData\Local\Temp\36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe
"C:\Users\Admin\AppData\Local\Temp\36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\fyxeop.exe
  "C:\Users\Admin\fyxeop.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:1756

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4724

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\fyxeop.exe

Filesize
360KB

MD5
34d456609d85569a2a968b74b8420b9b

SHA1
173e1c9a8738de287f0997cc9249a3d9fbbbaa58

SHA256
36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7

SHA512
988cee330c55c2c8a09c68739810c70bad71b73d14bee0740035a4bea344ccc2a4971cc961c4166792bfc04f3b3ce5c1f6ad225c4cd324fd7559d680246d351b

Download Submit
C:\Users\Admin\fyxeop.exe

Filesize
360KB

MD5
34d456609d85569a2a968b74b8420b9b

SHA1
173e1c9a8738de287f0997cc9249a3d9fbbbaa58

SHA256
36e95ec621de0c4c9200881ca0c446c399f705f2b6d0312b766e3d78fde7e0a7

SHA512
988cee330c55c2c8a09c68739810c70bad71b73d14bee0740035a4bea344ccc2a4971cc961c4166792bfc04f3b3ce5c1f6ad225c4cd324fd7559d680246d351b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads