MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 37997c1eec37f3540a10458aa1e67be3cff20ef13feea966da82ec0f99f4fbc7. 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: 11
| SHA256 hash: | 37997c1eec37f3540a10458aa1e67be3cff20ef13feea966da82ec0f99f4fbc7 |
|---|---|
| SHA3-384 hash: | 94d9b83950f2e32c718544b7784b274e6e79ae2a5b65133c24fef26268897dcb83a7b663d24896833afb86d7de88c831 |
| SHA1 hash: | 03082c5146c70cc8b2ad1e62424458459d66ce5d |
| MD5 hash: | d5dde8d50ca8261598f65244a920599d |
| humanhash: | pizza-artist-tennis-vegan |
| File name: | QUOTATION REQUEST REF#E6448.2.exe |
| Download: | download sample |
| Signature | AveMariaRAT |
| File size: | 702'464 bytes |
| First seen: | 2021-08-04 06:24:38 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1379487e213e9660a192f7f9b27f1132 (5 x RemcosRAT, 1 x Formbook, 1 x AveMariaRAT) |
| ssdeep | 12288:CHuv6TaXda6yswPypNz+w5cUsCPFExCUaMliTE5p/YrfFyA:466ga6ys0Kz+wHpzUEoBYrt |
| Threatray | 1'026 similar samples on MalwareBazaar |
| TLSH | T16AE47D96BFC616F3E23E41792C9A7B28A49666346A148D463FD64F1D4F783903438C8F |
| dhash icon | 484a4c66d32e2e8a (11 x RemcosRAT, 2 x Formbook, 2 x BitRAT) |
| Reporter |  GovCERT_CH |
| Tags: | AveMariaRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION REQUEST REF#E6448.2.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 06:25:17 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Reading critical registry keys
Creating a file in the %temp% directory
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
AVE_MARIA
Verdict:
Malicious
Result
Threat name:
AveMaria UACMe
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates a thread in another existing process (thread injection)
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-08-03 10:42:48 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
avemaria
Similar samples:
+ 1'016 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Score:
10/10
Tags:
family:warzonerat infostealer persistence rat spyware stealer
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Warzone RAT Payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
dar123.hopto.org:5032
Unpacked files
SH256 hash:
c873bd224bbf6f82aa169f079016ebdf7690b40a7db5dd8cfefd26404a9d50ca
MD5 hash:
d328f4ade4dd3cd77b3c055c6a7a7937
SHA1 hash:
5d2437502c20efaadd44d27bd5f2f748bdb48512
SH256 hash:
37997c1eec37f3540a10458aa1e67be3cff20ef13feea966da82ec0f99f4fbc7
MD5 hash:
d5dde8d50ca8261598f65244a920599d
SHA1 hash:
03082c5146c70cc8b2ad1e62424458459d66ce5d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | AveMaria |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies AveMaria aka WarZone RAT. |
| Rule name: | AveMaria_WarZone |
|---|
| Rule name: | ave_maria_warzone_rat |
|---|---|
| Author: | jeFF0Falltrades |
| 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: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks |
| Rule name: | MALWARE_Win_AveMaria |
|---|---|
| Author: | ditekSHen |
| Description: | AveMaria variant payload |
| Rule name: | MALWARE_Win_WarzoneRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects AveMaria/WarzoneRAT |
| 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: | Detects win.ave_maria. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
AveMariaRAT
Delivery method
Distributed via e-mail attachment
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