MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a
SHA3-384 hash: 7782fadd48f157d5eba15df41e951f2b271220cf843fd96ccc397becb29a95ff13d5c20d12b7f9dffcd3865ee20e5ad9
SHA1 hash: 0f02a839cdac526bd40d7fb62f792947f2ffe76b
MD5 hash: 4387f93e0d45409c4397bc25312ac979
humanhash: football-sierra-friend-batman
File name:CLEW enquiry 2021.PDF.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:483'328 bytes
First seen:2021-03-15 07:51:03 UTC
Last seen:2021-03-15 10:43:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:2tiOCaGcZ6t/AEnj5WJZnpcJyh4negJbhwPbfPubIbjEJXeCNysGnq/Qb1ePI:b7cYtHj5WJZnpcJW4egsoIsueMq/Qbf
Threatray 786 similar samples on MalwareBazaar
TLSH 75A4CF84F6516664EC2DB7752637D83D1B637C2AE074E91C6ECA7CA73EBB7818410813
Reporter lowmal3
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CLEW enquiry 2021.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-03-15 07:52:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c850b6e9-0797-436b-a8c0-a9d59c641ed1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WarzoneRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/124275/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.8627.17637.16308.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Creating a file
Connection attempt to an infection source
Enabling autorun by creating a file
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.
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/639142
Signature
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)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
Multi AV Scanner detection for submitted file
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)
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 AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 368548 Sample: CLEW enquiry 2021.PDF.exe Startdate: 15/03/2021 Architecture: WINDOWS Score: 100 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->33 35 9 other signatures 2->35 7 CLEW enquiry 2021.PDF.exe 6 2->7         started        process3 file4 21 C:\Users\user\AppData\...\WsQrFjjPrfyT.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp1488.tmp, XML 7->23 dropped 25 C:\Users\...\CLEW enquiry 2021.PDF.exe.log, ASCII 7->25 dropped 37 Writes to foreign memory regions 7->37 39 Injects a PE file into a foreign processes 7->39 11 RegSvcs.exe 7->11         started        14 RegSvcs.exe 3 2 7->14         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 41 Contains functionality to inject threads in other processes 11->41 43 Contains functionality to steal Chrome passwords or cookies 11->43 45 Contains functionality to steal e-mail passwords 11->45 27 79.134.225.26, 3141, 49742, 49745 FINK-TELECOM-SERVICESCH Switzerland 14->27 47 Increases the number of concurrent connection per server for Internet Explorer 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 19 conhost.exe 17->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-11 21:00:55 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ew3tvyzznyfhmnyct2khiy4gbls5a65kg2utwrw2mvuom3bymfa._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
19f8b1a5194081fc8e0649560e296547554b5f6f3102e096eb8e1f015138f7b1
AveMariaRAT
331656a3ed39083ba3a6ba28eb09b5bcef5d57412a5806d74987e2721c987727
AveMariaRAT
501ac41bcfa5d205762496c20b2ffa52b4df885814b7ce6a453be09ad6a1abda
AveMariaRAT
6d72e21f8eed71f706041b12c6efaa66fd12ad213a48415f682a19b0f3e46f17
AveMariaRAT
72e1816b0f9e1fb44f557dda6696b1596b8c61369e7e91e4e730de33646d4d72
AveMariaRAT
87783bb0a6d5e2846ba2b5e097fe49b9dafe36995916908fdb11e5170e81ac00
AveMariaRAT
893e86e1158bba99838764d3c07c810e03cbccce085f8638ab0bf59d0147981b
AveMariaRAT
9828da755c6ef395eb33cb37134401828bbbd5ee221ed6c6084f0d7a0cd25379
AveMariaRAT
a4cb4b3c28208b5f92691ffa076e7926b70f7c2f03911c5772f3db84f0994807
AveMariaRAT
e5afa3d0aadbf3c559d41ae3b354e4258230de01d6514de7fd3133c1f3b6306c
AveMariaRAT
+ 776 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat infostealer rat
Link:
https://tria.ge/reports/210315-2bd7sw8c4j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
Link:
https://www.unpac.me/results/143e6da5-fc56-482d-905e-01de12df7999/
SH256 hash:
1510861928b533e1529c1ffe7c6d57d9e5e928830d0afb28fd0fa730ff83fbdc
MD5 hash:
8f85df46a482b5b068ae7667bf1a33d6
SHA1 hash:
a210d369311aa4d709dc962c634174738576907e
Link:
https://www.unpac.me/results/143e6da5-fc56-482d-905e-01de12df7999/
SH256 hash:
3c12fb4bf411ce3994a05e74618bc3718375ca67648b1239a911590ca0b7bbf3
MD5 hash:
777fefce3ab0d722601d054fc0b1a71f
SHA1 hash:
7b4eeebe0494aec2eeedca66d1c6493de8ad53a5
Link:
https://www.unpac.me/results/143e6da5-fc56-482d-905e-01de12df7999/
SH256 hash:
5c81e3679b9543b431078dda08b0a5ad18010648e1d9e1b78c607bba42c68f83
MD5 hash:
28f2e06a85438909c1b01742ceeca82f
SHA1 hash:
5c3dafcc814841768fde5110ec4facf51c71fbd4
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/143e6da5-fc56-482d-905e-01de12df7999/
Parent samples :
72e1816b0f9e1fb44f557dda6696b1596b8c61369e7e91e4e730de33646d4d72
87783bb0a6d5e2846ba2b5e097fe49b9dafe36995916908fdb11e5170e81ac00
f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a
SH256 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
Link:
https://www.unpac.me/results/143e6da5-fc56-482d-905e-01de12df7999/
SH256 hash:
f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a
MD5 hash:
4387f93e0d45409c4397bc25312ac979
SHA1 hash:
0f02a839cdac526bd40d7fb62f792947f2ffe76b
Link:
https://www.unpac.me/results/143e6da5-fc56-482d-905e-01de12df7999/
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/f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a

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_WarZone
Create hunting rule
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Cobalt_functions
Create hunting rule
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:MALWARE_Win_AveMaria
Create hunting rule
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Create hunting rule
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:RDPWrap
Create hunting rule
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory

File information

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

Malspam

AveMariaRAT

Executable exe f92db9d719cb7053b1b814f4a3a31c30572e83dd51b549da36d32b473361c30a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/124275/

Comments