MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7e557cc9feb2615b132aaa8a2a756cd5461c9975186a2e7b4a609fb63b84e09. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: c7e557cc9feb2615b132aaa8a2a756cd5461c9975186a2e7b4a609fb63b84e09
SHA3-384 hash: 2d9ed19d1b9bba60d09d8691d8f5b4cf30e12a5671bb65e1d3926b1467a06b5271e40e5ff61a74c5b3b3f47266577bee
SHA1 hash: 491ed2434368ae93f4e6a0cb0fe0988526cc75a9
MD5 hash: b9a0b71d748b659e4bd9b771bef2c302
humanhash: zebra-carbon-wolfram-london
File name:ideasserverRUST.rar
Download: download sample
File size:5'481 bytes
First seen:2026-04-14 07:43:00 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 96:ZSQ96G2bsBWfD+/ElbNo+tkM5Wybu00m3e1:rXe0ElbjS
TLSH T18FB18713A97D7097F8BA3171069A7F0A3D259CD1BEB8AE81040D35DAFF189C4D8146D7
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter smica83
Tags:CVE-2025-6218 CVE-2025-8088 rar

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
HU HU
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:ideas_Server_Rust.pdf:.._.._.._.._.._.._AppData_Roaming_Microsoft_Windows_Start Menu_Programs_Startup_payload.bat
File size:42 bytes
SHA256 hash: cc03df0bbf82a410415dc3d340c222c5bd4fbecf9c8b83e9516dd93ff1377eff
MD5 hash: 0a3c4a823fcd39d0a611335cc2f1bd9b
MIME type:text/x-msdos-batch
File name:ideas_Server_Rust.pdf
File size:3'682 bytes
SHA256 hash: 29996a66e220e9110b05bb830ea09f4bb817803c0ab3224d35fe5e7404050f46
MD5 hash: 72f5a33775ca16bc4ce393af6e324e1b
MIME type:application/pdf
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
rar
First seen:
2026-04-13T21:05:00Z UTC
Last seen:
2026-04-14T17:23:00Z UTC
Hits:
~10
Gathering data
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-04-14 07:43:54 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
actor:romcom actor:storm_0978 adware apt discovery exploit link pdf spyware vuln:cve_2025_8088
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:WinRAR_ADS_Traversal
Author:@bartblaze
Description:Identifies potential ADS traversal in RAR archives, seen in vulnerabilities such as CVE‑2025‑6218 and CVE-2025-8088.
Reference:https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/
Rule name:WinRAR_CVE_2025_8088_Exploit
Author:marcin@ulikowski.pl
Description:Detects RAR archives exploiting CVE-2025-8088 in WinRAR
Reference:https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments