MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c5a74d08899cdb6dfd22c6cbe02972d57bba3642baa8bf00ce87f884fb97086. 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 2 File information Comments

SHA256 hash: 3c5a74d08899cdb6dfd22c6cbe02972d57bba3642baa8bf00ce87f884fb97086
SHA3-384 hash: 4966e32a86081adf0f3ee98d76bab19252fa50fd77544ad9e2db0d574a6c94103c65b4068774064e12c9b0e5e6db8ffb
SHA1 hash: 9140abc92df5f80f2bff8bb8c42566363e4c4eb2
MD5 hash: 3d8829b4781fc167e9f05d386be18510
humanhash: oscar-football-speaker-beer
File name:PO-11698 SLUB-DRAWING.pdf.bat
Download: download sample
Signature AveMariaRAT
File size:609'280 bytes
First seen:2022-04-04 09:04:26 UTC
Last seen:2022-04-04 09:41:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7xBJ1HUsyBe+hiPg/aoh+WbPZ29vL0L1ByoKnj4QZT2HzI:t100CQE29vy1ByoCj4Y
Threatray 1'855 similar samples on MalwareBazaar
TLSH T1F6D4DF3C67F84B52EABE4BFD94A5944083F4B616980FE70E9AD160F92D33351CD22A17
File icon (PE):PE icon
dhash icon a2aab28acad696aa (10 x Loki, 8 x AgentTesla, 8 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AveMariaRAT exe WarzoneRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
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
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected unpacking (creates a PE file in dynamic memory)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides user accounts
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: Active Directory User Backdoors
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 602323 Sample: PO-11698 SLUB-DRAWING.pdf.bat Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 19 other signatures 2->81 9 PO-11698 SLUB-DRAWING.pdf.exe 7 2->9         started        process3 file4 57 C:\Users\user\AppData\...suVRVEBRC.exe, PE32 9->57 dropped 59 C:\Users\...suVRVEBRC.exe:Zone.Identifier, ASCII 9->59 dropped 61 C:\Users\user\AppData\Local\...\tmpC887.tmp, XML 9->61 dropped 63 C:\...\PO-11698 SLUB-DRAWING.pdf.exe.log, ASCII 9->63 dropped 101 Adds a directory exclusion to Windows Defender 9->101 103 Injects a PE file into a foreign processes 9->103 13 PO-11698 SLUB-DRAWING.pdf.exe 4 5 9->13         started        17 powershell.exe 24 9->17         started        19 schtasks.exe 1 9->19         started        signatures5 process6 file7 65 C:\ProgramData\windowsupdater.exe, PE32 13->65 dropped 67 C:\...\windowsupdater.exe:Zone.Identifier, ASCII 13->67 dropped 105 Adds a directory exclusion to Windows Defender 13->105 107 Increases the number of concurrent connection per server for Internet Explorer 13->107 109 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->109 21 windowsupdater.exe 13->21         started        26 cmd.exe 13->26         started        28 powershell.exe 23 13->28         started        30 conhost.exe 17->30         started        32 conhost.exe 19->32         started        signatures8 process9 dnsIp10 73 192.168.2.1 unknown unknown 21->73 55 C:\Users\user\...\windowsupdater.exe.log, ASCII 21->55 dropped 93 Multi AV Scanner detection for dropped file 21->93 95 Detected unpacking (creates a PE file in dynamic memory) 21->95 97 Machine Learning detection for dropped file 21->97 99 5 other signatures 21->99 34 windowsupdater.exe 21->34         started        39 powershell.exe 21->39         started        41 schtasks.exe 21->41         started        43 reg.exe 26->43         started        45 conhost.exe 26->45         started        47 conhost.exe 28->47         started        file11 signatures12 process13 dnsIp14 69 76.8.53.133, 1198, 49747 QUONIXNETUS United States 34->69 71 85.202.169.226, 80 GUDAEV-ASRU Netherlands 34->71 53 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 34->53 dropped 83 Hides user accounts 34->83 85 Writes to foreign memory regions 34->85 87 Allocates memory in foreign processes 34->87 91 3 other signatures 34->91 49 conhost.exe 39->49         started        51 conhost.exe 41->51         started        89 Creates an undocumented autostart registry key 43->89 file15 signatures16 process17
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-04 09:05:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
76.8.53.133:1198
Unpacked files
SH256 hash:
4ed3c116cd9e875131f14d9dfef6dc345192d0b245615536da1cfabc893e3275
MD5 hash:
37551bca5a31bf04580585fb78bb460a
SHA1 hash:
d6020915fb1061775a6e36c5d5f22e1e974af70e
Detections:
win_ave_maria_g0 win_ave_maria_auto
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
SH256 hash:
35c995c1a12492da556a91475fba0ea58f49d879a5fae3c86768765037485484
MD5 hash:
f109d62238917ded90326d431b048d5d
SHA1 hash:
a2a9e2203d980dbcdcc6906385ff425f6fdb838c
SH256 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
SH256 hash:
67140d309bd568462514a58d2fca70cd35a6aa84f630eea6777e15714493c53a
MD5 hash:
3be80368a51d39b63860e8ef203e1853
SHA1 hash:
100662981f838a1f62a5d4c6df7807eff4563307
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
SH256 hash:
3c5a74d08899cdb6dfd22c6cbe02972d57bba3642baa8bf00ce87f884fb97086
MD5 hash:
3d8829b4781fc167e9f05d386be18510
SHA1 hash:
9140abc92df5f80f2bff8bb8c42566363e4c4eb2
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_imphash
Rule name:Skystars_Malware_Imphash
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

Executable exe 3c5a74d08899cdb6dfd22c6cbe02972d57bba3642baa8bf00ce87f884fb97086

(this sample)

  
Dropped by
warzonerat
  
Delivery method
Distributed via e-mail attachment

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