MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6b523e77c31b89f8eb3489007bf14b3b9d34bc3870a9d96ecf7b99efa506c76. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: e6b523e77c31b89f8eb3489007bf14b3b9d34bc3870a9d96ecf7b99efa506c76
SHA3-384 hash: f7323034eebbb716137984a3672caf27062ca7f9c41887cc3f0bfba0e54a6b6aea5e28261f5f49e7b50275ed20a01e6e
SHA1 hash: 2df65e6ab96c8c65fa91d84d379f0af2977a6a3a
MD5 hash: 8523f2ff3ff13e510a9bf75665562b3b
humanhash: yellow-wyoming-indigo-mirror
File name:mvnac.exe
Download: download sample
File size:81'408 bytes
First seen:2026-02-27 07:43:39 UTC
Last seen:2026-02-27 08:33:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2fde00c1d5d2abaae0366099ef60eb01
ssdeep 1536:jSlrqxJMwz/g5+6WUQ+NiO/CRr5zs6hOoyPix:jSlSq5+6WUz7ql5zsgOoyPix
TLSH T1FB830803BB4B80B2F59921B118AB276B427F744557215EFBEB803F5E4C346D1ED3618A
TrID 36.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win64 Executable (generic) (6522/11/2)
11.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter smica83
Tags:apt Bitter exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
125
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_e6b523e77c31b89f8eb3489007bf14b3b9d34bc3870a9d96ecf7b99efa506c76.exe
Verdict:
No threats detected
Analysis date:
2026-02-27 07:44:33 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context microsoft_visual_cc unsafe wmrat
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-11T09:39:00Z UTC
Last seen:
2026-02-11T15:24:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Spy.Win32.Agentb.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Found evasive API chain (may stop execution after checking volume information)
Found stalling execution ending in API Sleep call
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-02-11 17:49:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
e6b523e77c31b89f8eb3489007bf14b3b9d34bc3870a9d96ecf7b99efa506c76
MD5 hash:
8523f2ff3ff13e510a9bf75665562b3b
SHA1 hash:
2df65e6ab96c8c65fa91d84d379f0af2977a6a3a
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:APT_IN_TA397_wmRAT
Author:Proofpoint
Description:track wmRAT based on socket usage, odd error handling, and reused strings
Reference:https://www.proofpoint.com/us/blog/threat-insight/hidden-plain-sight-ta397s-new-attack-chain-delivers-espionage-rats
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Comments