22fffb8721fc41f81accf4f231e2c7c91519a595515ba0decdf2a9239c47f9b6

Analysis

user interaction
yes
max time kernel
99s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/05/2026, 04:35

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General

Target
Fishstrap.exe
Size 14.2MB
Sample260529-e7mn4ac15v
SHA256 22fffb8721fc41f81accf4f231e2c7c91519a595515ba0decdf2a9239c47f9b6
MD5 ac74f329f193545d07309cdec6322dc9
SHA1 04e49db8dc03dfb29f597bb16d437065650d940c
SHA512 b4626ab94e8f852c34ea32efe9e20aec263f12843b659b226a36419c7308301301e6bf37602571f01b1422b50534d3e4de238c584ccfe3e9a185a91c410ab09a
SSDEEP 98304:qG4JTsyTasI4mlsk+ZmD3XzOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrTlS:qhxsyusI3sk+ZqObAbN0F
TLSH
T1E5E68E8537FC2A35E3B74B35A970621E4976BC1AA811D78E2B84B64D1A72740CCF1B73
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	Fishstrap.exe

Executes dropped EXE 1 IoCs

pid	Process
4008	RobloxPlayerBeta.exe

Loads dropped DLL 1 IoCs

pid	Process
4008	RobloxPlayerBeta.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
4008	RobloxPlayerBeta.exe
4008	RobloxPlayerBeta.exe
4008	RobloxPlayerBeta.exe

Modifies registry class 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\shell\open\command	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\ = "URL: Roblox Protocol"	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\shell\open\command	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Fishstrap\\Fishstrap.exe\" -player \"%1\""	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\shell	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\URL Protocol	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Fishstrap\\Fishstrap.exe"	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Fishstrap\\Fishstrap.exe\" -player \"%1\""	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\ = "URL: Roblox Protocol"	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\shell	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\shell\open	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\URL Protocol	Fishstrap.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Fishstrap\\Fishstrap.exe"	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\shell\open	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox-player\DefaultIcon	Fishstrap.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\roblox\DefaultIcon	Fishstrap.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2204	Fishstrap.exe
2204	Fishstrap.exe
2204	Fishstrap.exe
2204	Fishstrap.exe
2204	Fishstrap.exe
4008	RobloxPlayerBeta.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	Fishstrap.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	Fishstrap.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 4008	2204	Fishstrap.exe	105

C:\Users\Admin\AppData\Local\Temp\Fishstrap.exe
"C:\Users\Admin\AppData\Local\Temp\Fishstrap.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Fishstrap\Versions\version-460909c4fe904aae\RobloxPlayerBeta.exe
  "C:\Users\Admin\AppData\Local\Fishstrap\Versions\version-460909c4fe904aae\RobloxPlayerBeta.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:4008

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

RobloxPlayerBeta.dll

Path C:\Users\Admin\AppData\Local\Fishstrap\Versions\version-460909c4fe904aae\RobloxPlayerBeta.dll
Size 20.5MB
SHA256 70fef3820d2b28e6cd461c067442ecda3141d6476d20df75cfcd91c99db9696a
MD5 b32f96195cfd6001b9c0fabb5bcbd2ae
SHA1 6ff69b37841a2d08b4e5f7bd436b9351aaabec94
SHA512 1a0870e9f92786684396887ac18fcad2b0e28c863dc2406856474518e8100e36ed44c7c1143536cac341ea7fc20d099a6037175f9c8237e71cb0f1d2724f4748
SSDEEP 393216:AMvMLGcu37/rmx7iYZWwTEQezGw1dC0vVaSE:AMvMLGcu37/C1iYZWwTEQezGw1dC0dtE
TLSH
T1C427BF4EF5D20AA8C5B15070E01F6BE7DA27308C5AAC6EFB42D80250367355D5B4AFAF
MD5 SHA1 SHA512 SSDEEP TLSH

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