MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe4020d80a71155f6d6f490b3ff6d5699cf839c815da0e077b476ab0ba6b375b. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: fe4020d80a71155f6d6f490b3ff6d5699cf839c815da0e077b476ab0ba6b375b
SHA3-384 hash: adf172cabfed7c986da9f43a098d059339199f379d16c612e910d5a970254b59cf309f2c73e05550d21c720a99cc1602
SHA1 hash: ae6fcb43d6d152865ed9b689f2f21a5eb45defb4
MD5 hash: fc9afb4b234dd6aaad71a89261867049
humanhash: lemon-double-georgia-hawaii
File name:Ausschreibung (ETH Zürich) CH0824-2023-02-23·.exe
Download: download sample
Signature AveMariaRAT
File size:294'824 bytes
First seen:2023-02-23 08:45:24 UTC
Last seen:2023-02-23 10:27:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7eae418c7423834ffc3d79b4300bd6fb (51 x GuLoader, 16 x RemcosRAT, 15 x AgentTesla)
ssdeep 6144:xicFyL+j3bJdUdTSu7NZoK4lq5nxfrh3RJWWvDYZtoKcxo48hyWZdXFjbz:MPEbnUd2uxCKDXLMexH6yudVT
Threatray 936 similar samples on MalwareBazaar
TLSH T18B54121612A0D08BF9D00B714B36AF76DEFBA2122055230B27D0771CFEB5BD2DA4A395
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69dcba23b392dc79 (3 x AveMariaRAT, 1 x NanoCore, 1 x GuLoader)
Reporter abuse_ch
Tags:AveMariaRAT exe RAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-30T08:11:27Z
Valid to:2025-08-29T08:11:27Z
Serial number: 6c59388f7a2b1e892fe48cb238306ba1dac97544
Thumbprint Algorithm:SHA256
Thumbprint: f570b264cb5809276d07518bce94e7cd5b7f2bf66b0449e3200968f28f7c4e87
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
AveMariaRAT C2:
46.183.222.70:4763

Intelligence


File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
Ausschreibung (ETH Zürich) CH0824-2023-02-23·.exe
Verdict:
Malicious activity
Analysis date:
2023-02-23 08:51:44 UTC
Tags:
guloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader nemesis overlay packed shell32.dll
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.
Result
Threat name:
AveMaria, GuLoader, UACMe
Detection:
malicious
Classification:
troj.evad.phis.expl
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Contains functionality to hide user accounts
Creates files in alternative data streams (ADS)
Drops PE files to the document folder of the user
Drops script or batch files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Tries to detect Any.run
Yara detected AveMaria stealer
Yara detected GuLoader
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 11680 Sample: Ausschreibung (ETH Z#U00fcr... Startdate: 23/02/2023 Architecture: WINDOWS Score: 100 69 googlehosted.l.googleusercontent.com 2->69 71 drive.google.com 2->71 73 doc-00-8g-docs.googleusercontent.com 2->73 81 Malicious sample detected (through community Yara rule) 2->81 83 Multi AV Scanner detection for dropped file 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 8 other signatures 2->87 12 Ausschreibung (ETH Z#U00fcrich) CH0824-2023-02-23#U00b7.exe 30 2->12         started        16 Windows8.exe 20 2->16         started        signatures3 process4 file5 63 C:\Users\user\AppData\Local\...\System.dll, PE32 12->63 dropped 99 Tries to detect Any.run 12->99 18 Ausschreibung (ETH Z#U00fcrich) CH0824-2023-02-23#U00b7.exe 5 14 12->18         started        65 C:\Users\user\AppData\Local\...\System.dll, PE32 16->65 dropped 23 Windows8.exe 2 8 16->23         started        signatures6 process7 dnsIp8 75 drive.google.com 142.250.185.238, 443, 49848, 49861 GOOGLEUS United States 18->75 77 googlehosted.l.googleusercontent.com 142.250.186.129, 443, 49849, 49862 GOOGLEUS United States 18->77 53 C:\Users\user\Documents\Windows8.exe, PE32 18->53 dropped 55 C:\Users\user\...\Documents:ApplicationData, PE32 18->55 dropped 57 C:\Users\...\Windows8.exe:Zone.Identifier, ASCII 18->57 dropped 59 2 other malicious files 18->59 dropped 89 Creates files in alternative data streams (ADS) 18->89 91 Adds a directory exclusion to Windows Defender 18->91 93 Tries to detect Any.run 18->93 95 2 other signatures 18->95 25 Windows8.exe 20 18->25         started        29 powershell.exe 23 18->29         started        31 cmd.exe 23->31         started        file9 signatures10 process11 file12 61 C:\Users\user\AppData\Local\...\System.dll, PE32 25->61 dropped 97 Multi AV Scanner detection for dropped file 25->97 33 WerFault.exe 21 16 25->33         started        35 conhost.exe 29->35         started        37 sdclt.exe 31->37         started        39 conhost.exe 31->39         started        41 sdclt.exe 31->41         started        43 sdclt.exe 31->43         started        signatures13 process14 process15 45 control.exe 37->45         started        process16 47 Windows8.exe 45->47         started        file17 67 C:\Users\user\AppData\Local\...\System.dll, PE32 47->67 dropped 79 Tries to detect Any.run 47->79 51 Windows8.exe 47->51         started        signatures18 process19
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2023-02-23 08:46:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
10 of 25 (40.00%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:guloader family:warzonerat downloader infostealer persistence rat
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Drops startup file
Executes dropped EXE
Loads dropped DLL
Guloader,Cloudeye
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
SH256 hash:
fe4020d80a71155f6d6f490b3ff6d5699cf839c815da0e077b476ab0ba6b375b
MD5 hash:
fc9afb4b234dd6aaad71a89261867049
SHA1 hash:
ae6fcb43d6d152865ed9b689f2f21a5eb45defb4
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:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Comments