MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75. 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


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75
SHA3-384 hash: 492e7c51bfd413fb575663acda9e0c37586b5f72b70081b871b6bd361e78e80c4a98381f011044517c17b8f1d2cd1c4c
SHA1 hash: 9e90e7a7963068f93931d3edef81b7f000cdb8d2
MD5 hash: b8f7392ae0df1c179327ae80f65ddd00
humanhash: venus-blue-asparagus-lima
File name:INQUIRY-DRAWING.bat
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:514'048 bytes
First seen:2022-04-22 11:55:14 UTC
Last seen:2022-04-29 06:08:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:jvAYtv/h/+/MsXdTQbIQd32V8/IFrWwsNeyiKhzY:zBdhe9XdUProUev
TLSH T1FBB412663FB45F26D57CCBFA09A0185187B066E93515E7080CE9E4EF2E607801B99F8B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AveMariaRAT exe WarzoneRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Detection:
RDPWrap
Create hunting rule
Link:
https://www.capesandbox.com/analysis/265762/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16577.4328.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/626298ded714062bc05e56bb/reports/d5ef7577-01b4-42a0-9f07-f5f3c6455251/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/043903de-cda8-47cd-8364-fb5089892462
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/981325
Signature
Adds a directory exclusion to Windows Defender
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 613813 Sample: INQUIRY-DRAWING.bat Startdate: 22/04/2022 Architecture: WINDOWS Score: 100 55 76.8.53.133, 1198, 49750, 49753 QUONIXNETUS United States 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 10 INQUIRY-DRAWING.exe 7 2->10         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\mAbsaK.exe, PE32 10->43 dropped 45 C:\Users\user\...\mAbsaK.exe:Zone.Identifier, ASCII 10->45 dropped 47 C:\Users\user\AppData\Local\Temp\tmp612.tmp, XML 10->47 dropped 49 C:\Users\user\...\INQUIRY-DRAWING.exe.log, ASCII 10->49 dropped 73 Contains functionality to inject threads in other processes 10->73 75 Contains functionality to steal Chrome passwords or cookies 10->75 77 Contains functionality to steal e-mail passwords 10->77 79 3 other signatures 10->79 14 INQUIRY-DRAWING.exe 4 5 10->14         started        18 powershell.exe 25 10->18         started        20 schtasks.exe 1 10->20         started        signatures6 process7 file8 51 C:\ProgramData\windowsupdate.exe, PE32 14->51 dropped 53 C:\...\windowsupdate.exe:Zone.Identifier, ASCII 14->53 dropped 81 Adds a directory exclusion to Windows Defender 14->81 83 Increases the number of concurrent connection per server for Internet Explorer 14->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->85 22 windowsupdate.exe 14->22         started        25 powershell.exe 24 14->25         started        27 conhost.exe 18->27         started        29 conhost.exe 20->29         started        signatures9 process10 signatures11 65 Multi AV Scanner detection for dropped file 22->65 67 Machine Learning detection for dropped file 22->67 69 Adds a directory exclusion to Windows Defender 22->69 71 Injects a PE file into a foreign processes 22->71 31 powershell.exe 22->31         started        33 schtasks.exe 22->33         started        35 windowsupdate.exe 22->35         started        37 conhost.exe 25->37         started        process12 process13 39 conhost.exe 31->39         started        41 conhost.exe 33->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-04-22 09:10:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 42 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uo54xcz2plfdtkpdng4isflpoao7u5bmgy5qppr2ulxdpqqqt52q._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat infostealer rat
Link:
https://tria.ge/reports/220422-n31jtscae6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
76.8.53.133:1198
Unpacked files
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
SH256 hash:
d88ae7213d7d5ceffc7dec522bd37663b6017382fea7c5d5b739800dc6d32acd
MD5 hash:
231c9480cd7e6ef4a23ee25925afdfa5
SHA1 hash:
bf3dfd977cf09c33aad1d59e2ea0f5d0dd831269
Detections:
win_ave_maria_g0
Create hunting rule
win_ave_maria_auto
Create hunting rule
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
Parent samples :
39b1cd448c4ef2526f355b4d2865e5d76aa3e79cdd45895066156061ee3ecedf
a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75
SH256 hash:
3729c9543d495795193819cc693cbda3e3ca54e103a6b14e5ddafeaa93bbd53a
MD5 hash:
23e2ebfd5f938c4443b80726f9bc0200
SHA1 hash:
3660878bcb4a6647cb4e69da01756f180ec0ea08
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
SH256 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
SH256 hash:
8e1b71477c489cbc954c8d54d08284f759ab2cd1b65050128ecbda9ebe16904d
MD5 hash:
b477c0f043954b457d5f0f91327ec606
SHA1 hash:
0db8774ef3e2b8245504f66a35afcf987ebdaaba
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
SH256 hash:
db2fcf5278d2073f3c9e000d4630da1eb7c8e71fbcabe1023793be00babcdd9e
MD5 hash:
15c2e7d005dc47877b14258a5e2d3858
SHA1 hash:
01e4735214583e7f1401fc4046c5f7ccbd995fa7
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
SH256 hash:
a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75
MD5 hash:
b8f7392ae0df1c179327ae80f65ddd00
SHA1 hash:
9e90e7a7963068f93931d3edef81b7f000cdb8d2
Link:
https://www.unpac.me/results/9f699ca0-4eff-46e4-b6ad-862c16167918/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AveMariaRAT

gz 394e0c707a2055db6a4b96ff55bcf46328274152f8b09e1e934954a2b70cd8ce

AveMariaRAT

Executable exe a3bbcb8b3a7aca39a9e369b889156f701dfa742c363b07be3aa2ee37c2109f75

(this sample)

  
Dropped by
warzonerat
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/265762/
  
Dropped by
SHA256 394e0c707a2055db6a4b96ff55bcf46328274152f8b09e1e934954a2b70cd8ce
  
Dropped by
MD5 6488fb9bc8e597f68c5e792ea06977b7

Comments