MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d. 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


AgentTesla


Vendor detections: 10


Intelligence 10 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d
SHA3-384 hash: c5c70e73c986e0fae14349a8008cf0428aea56155a4d2d7d283c4e2e3e84e8706c1f0bc0ef89e423f41fb3d72f6bd421
SHA1 hash: bdf715f38cd5609e036f95abf14d6ede8fd084da
MD5 hash: 760ba691b33453c6fee622d5757cfdd0
humanhash: salami-fourteen-mountain-don
File name:d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'231'808 bytes
First seen:2021-02-28 16:53:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:494/K4UNzbgAUFmabNZWo54clgLH+tkWJ0:e4/K4UNzbgAUFjZicKHgkWJ0
Threatray 2 similar samples on MalwareBazaar
TLSH ECA5F1053BEC4657E2EF57B5E0B641A0C3B1B922B52FEB9E6C0425ED2D53398D9013A3
Reporter c3rb3ru5d3d53c2
Tags:AgentTesla


Avatar
c3rb3ru5d3d53c
@c3rb3ru5d3d53c Live Hunt

Intelligence

File Origin
# of uploads :
1
# of downloads :
529
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d
Verdict:
Malicious activity
Analysis date:
2021-02-28 16:54:04 UTC
Tags:
stealer evasion
Link:
https://app.any.run/tasks/28d1b3ba-3644-4812-bdd8-3d793b16b123

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Avalon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/120030/
Detection(s):
Win.Packed.GrandSteal-9783630-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Deleting a recently created file
Replacing files
Creating a window
Sending a UDP request
Moving a recently created file
Sending an HTTP GET request
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Running batch commands
Launching a process
Stealing user critical data
Unauthorized injection to a recently created 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:
Echelon Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/621407
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
Contains functionality to capture screen (.Net source)
Detected VMProtect packer
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Yara detected Costura Assembly Loader
Yara detected Echelon Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359695 Sample: x3tE0hBhGb Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 38 Antivirus detection for URL or domain 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for dropped file 2->42 44 12 other signatures 2->44 7 x3tE0hBhGb.exe 14 74 2->7         started        process3 dnsIp4 30 ip-api.com 208.95.112.1, 49750, 80 TUT-ASUS United States 7->30 32 api.telegram.org 149.154.167.220, 443, 49751 TELEGRAMRU United Kingdom 7->32 34 4 other IPs or domains 7->34 24 C:\Users\user\AppData\Local\...\Decoder.exe, PE32 7->24 dropped 26 C:\ProgramData\Decoder.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...\x3tE0hBhGb.exe.log, ASCII 7->28 dropped 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->46 48 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 7->48 50 Tries to harvest and steal browser information (history, passwords, etc) 7->50 52 Queries memory information (via WMI often done to detect virtual machines) 7->52 12 Decoder.exe 15 3 7->12         started        16 cmd.exe 1 7->16         started        file5 signatures6 process7 dnsIp8 36 62.109.19.166, 49752, 80 THEFIRST-ASRU Russian Federation 12->36 54 Multi AV Scanner detection for dropped file 12->54 56 Machine Learning detection for dropped file 12->56 18 WerFault.exe 23 9 12->18         started        20 conhost.exe 16->20         started        22 timeout.exe 1 16->22         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d/
Threat name:
ByteCode-MSIL.Trojan.Perseus
Create hunting rule
Status:
Malicious
First seen:
2021-02-28 16:54:07 UTC
AV detection:
31 of 47 (65.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2jcnwowktebzqs4kv676756eiaxucc26auepwwoyykstqw77pjwq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
6c94faa14df53b3ff392400569121f9204c463d93560b724704f7f2b4961a260
AgentTesla
939b2ae76b674d4fde311eb4374a5f0eaaf3d154a038fdd5febb84bec0734a77
AgentTesla
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware vmprotect
Link:
https://tria.ge/reports/210228-cknxnvzx1s/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Reads user/profile data of web browsers
Executes dropped EXE
VMProtect packed file
Unpacked files
SH256 hash:
cb5ea250f8944f859aa3b2c40c5a09e572140e989046b474efbb0837ec5ba448
MD5 hash:
f561ac53748d8cd1657a8b80350bc478
SHA1 hash:
bdc49f42f2842d81dc17e98c3b741655badb9014
Link:
https://www.unpac.me/results/1e64bda0-19e2-4542-ae29-db55ba0a1c56/
SH256 hash:
cf1384da3f220dec12719a4142df4afcdff7f17e699f64a47d8ccdbb37814ad9
MD5 hash:
3144c742611d2c21085defbdcc0db5ce
SHA1 hash:
6db64ed6ce4b5ad719deff9afb0050f2657c39c8
Link:
https://www.unpac.me/results/1e64bda0-19e2-4542-ae29-db55ba0a1c56/
SH256 hash:
d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d
MD5 hash:
760ba691b33453c6fee622d5757cfdd0
SHA1 hash:
bdf715f38cd5609e036f95abf14d6ede8fd084da
Link:
https://www.unpac.me/results/1e64bda0-19e2-4542-ae29-db55ba0a1c56/
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/d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Cryptocoin_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_EXE_Packed_VMProtect
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:@ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_Avalon
Create hunting rule
Author:ditekSHen
Description:Avalon infostealer payload
Rule name:MALWARE_Win_Echelon
Create hunting rule
Author:ditekSHen
Description:Echelon information stealer payload
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:Telegram_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Telegram in files like avemaria

File information

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

  
Link
https://www.virustotal.com/gui/file/d244db3aca9903984b8aafbfeff7c4402f410b5e0508fb59d8c2a5385bff7a6d/details
  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/120030/

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