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Fish.exe Trojan Agent Analysis

Updated 1 day ago
Checked by Malware Check
fish.exe

Technical Analysis

File Name fish.exe
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.248.174
Database Version 2026-06-15 16:00:15 UTC
⚠

Trojan.Win64.Agent.oa!s1

Malware family: Agent

Trojan Agent malware disguises itself as legitimate software while performing unauthorized activities including data theft and providing remote system access to threat actors.
N/A
Detection Rate
46,259,712
File Size (bytes)
2026-06-15
Analysis Date

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File Identification

Hash Type Value Action
MD5
6f36a930b4817bdd51a88de68c23fa61
SHA1
2fd46e775949f04918757c66b51f971ff8f6b5eb
SHA256
3857a9c96bbf01909d18c466591ee4e897c6840cb8038f759eb8ac126656f9f0
SHA512
e69166cc7a313f6e7950bf548edc15bde13ffb2811db54392c83d4c0a7d935d44bbf31ad54069ca2f8bd1d912283c65acc62f08760c42eefd386f4144a64d2c8
ImpHash
259c038cd4434231e0e24f278026a0ea

PE Analysis

Basic Information

▼
Icon
Hash: d98325110c530a985d9e0e8e452b00c9
Fuzzy: 098e80184c529de0d29be8c2bb700052
dHash: b06069e8e8d47070
Image Base 0x140000000
Entry Point 0x14000c8c4
Compilation Time 2024-11-17 16:20:22
Checksum 0x00000000 (Actual: 0x02c22942)
OS Version 6.0
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 2 libraries
SHELL32, KERNEL32
Exports 0 functions
Resources 4 Resources
Sections 6 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 128,976 bytes 129,024 bytes 6.51 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ E543FCCD74937473772A3862C707AF47
.rdata 0x00021000 51,406 bytes 51,712 bytes 5.14 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3086E1C624144637AFABBD03948763EF
.data 0x0002e000 151,152 bytes 3,072 bytes 1.96 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE EA19A53B9DEED1E35F0FB235B72681EF
.pdata 0x00053000 5,976 bytes 6,144 bytes 5.16 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 02CBE71461CA42EBDA8B39646BEE938C
.rsrc 0x00055000 46,066,636 bytes 46,066,688 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 70A39492BB9394B348DCF7809F89E9D3
.reloc 0x02c44000 1,668 bytes 2,048 bytes 4.94 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ D8CB84DFD18E441EA4E07F17B3213B6A
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

1 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 4 (46,066,332 bytes)
Resource Type Count Total Size Percentage
RT_ICON 1 16,936 bytes
0%
RT_RCDATA 1 46,048,360 bytes
100%
RT_GROUP_ICON 1 20 bytes
0%
RT_MANIFEST 1 1,016 bytes
0%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win64.Agent.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.Agent.oa!s1 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. 1
    Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
  2. 2
    Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
  3. 3
    The app launches right after installation. You'll see the main dashboard with the scan button front and center.
  4. 4
    Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
  5. 5
    Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
  6. 6
    If you see a restart prompt, go ahead and reboot. This clears any malware that was running in memory and ensures your system starts fresh.
Important: Before You Start
Quick tip: unplug from the internet before scanning. Some malware phones home for instructions or downloads extra payloads when it senses trouble. If the infection is severe, boot into Safe Mode first — it limits what can run and makes cleanup easier.

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