MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43598433c634bfe1dc3d6e293054c857dd19e9f7886f44fa8779534c7f800a5b. 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
AveMariaRAT
Vendor detections: 7
| SHA256 hash: | 43598433c634bfe1dc3d6e293054c857dd19e9f7886f44fa8779534c7f800a5b |
|---|---|
| SHA3-384 hash: | 1d29259522df2f38aac20d4a08d9c734b6915cc4eb4aa706da320531208f9a364db07eb1e07707488734f7d6b7252f21 |
| SHA1 hash: | 61e5e7b904462c475ce460c6566e5829b6376742 |
| MD5 hash: | 370443a18933935386c4d1b39a8e3e27 |
| humanhash: | alabama-high-march-freddie |
| File name: | IMAGES AND SPECIFICATIONS - RFQ DTD 24-0720PDF.exe |
| Download: | download sample |
| Signature | AveMariaRAT |
| File size: | 309'248 bytes |
| First seen: | 2020-08-05 07:23:37 UTC |
| Last seen: | 2020-08-05 08:00:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 6144:Zb2eXgfR+w+uzdik78r9hNa8WNlt0NPhuiLO58L6zr5OmZiq3BCcWYvTvJGrzdF:ZyIXwtzdiPja3ltQhuiLw8LMOwvf7M/ |
| Threatray | 431 similar samples on MalwareBazaar |
| TLSH | 8A64016D11A44E1BF4AA067F0C710203EF63C50F2626D79F9F7924A6257E25D3E02FA5 |
| Reporter |  abuse_ch |
| Tags: | AveMariaRAT exe |
abuse_ch
Malspam distributing unidentified malware:HELO: s-r.co.kr
Sending IP: 121.254.168.147
From: SALES <sales@anugrahavalvecasting.com>
Subject: Product Inquiry From CW Singapore Pte Ltd..
Attachment: IMAGES AND SPECIFICATIONS - RFQ DTD 24-0720PDF.z (contains "IMAGES AND SPECIFICATIONS - RFQ DTD 24-0720PDF.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Detection:
avemaria
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-05 07:25:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
avemaria
Similar samples:
+ 421 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
JavaScript code in executable
Loads dropped DLL
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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: | Cobalt_functions |
|---|---|
| Author: | @j0sm1 |
| Description: | Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT |
| Rule name: | Codoso_Gh0st_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Codoso APT Gh0st Malware |
| Reference: | https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks |
| Rule name: | Codoso_Gh0st_2 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Codoso APT Gh0st Malware |
| Reference: | https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks |
| Rule name: | MAL_Envrial_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Encrial credential stealer malware |
| Reference: | https://twitter.com/malwrhunterteam/status/953313514629853184 |
| Rule name: | RDPWrap |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies RDP Wrapper, sometimes used by attackers to maintain persistence. |
| Reference: | https://github.com/stascorp/rdpwrap |
| Rule name: | win_ave_maria_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_ave_maria_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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