MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4ffdc4465c7c6e87f6c793a9b524e721e00f4830bd35c77b5af5035c7828783. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: e4ffdc4465c7c6e87f6c793a9b524e721e00f4830bd35c77b5af5035c7828783
SHA3-384 hash: f7e278af07ea13cb6ec7f90c998260eb8cccabecb5d71345ec6b56814884ddc10bd1726d894989e3f68b6078002bd16b
SHA1 hash: e47d5e9da8d9c8a4da09be0c5f2710caa4a1f658
MD5 hash: be32354737fc348e43f70af2d92523e1
humanhash: avocado-orange-nevada-emma
File name:RFQ #7696679TTR6F.exe
Download: download sample
Signature AgentTesla
File size:1'348'096 bytes
First seen:2021-07-31 05:44:41 UTC
Last seen:2021-08-03 17:01:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:7t/S/d3IYdkzX4QTVJUspp7lkU2WI7Lp4smwRGPoN7vdiTbnFM:KGddI/p7m/PoiM
Threatray 7'662 similar samples on MalwareBazaar
TLSH T19C55013588CCDFEACC9D03751F8C03A43EF19456A1B0E5B43E5A46B1EAC0D69E9B9742
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
751
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ #7696679TTR6F.exe
Verdict:
Malicious activity
Analysis date:
2021-07-31 05:46:18 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 457231 Sample: RFQ #7696679TTR6F.exe Startdate: 31/07/2021 Architecture: WINDOWS Score: 100 47 clientconfig.passport.net 2->47 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 9 other signatures 2->63 8 RFQ #7696679TTR6F.exe 7 2->8         started        12 kSrYER.exe 5 2->12         started        14 kSrYER.exe 2 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\dWSSFTLKpeGggT.exe, PE32 8->35 dropped 37 C:\...\dWSSFTLKpeGggT.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmp874A.tmp, XML 8->39 dropped 41 C:\Users\user\...\RFQ #7696679TTR6F.exe.log, ASCII 8->41 dropped 65 Injects a PE file into a foreign processes 8->65 16 RFQ #7696679TTR6F.exe 2 9 8->16         started        21 schtasks.exe 1 8->21         started        67 Multi AV Scanner detection for dropped file 12->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->69 71 Machine Learning detection for dropped file 12->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->73 23 schtasks.exe 1 12->23         started        25 kSrYER.exe 2 12->25         started        signatures6 process7 dnsIp8 43 smtp.ojototheworld.us 16->43 45 us2.smtp.mailhostbox.com 208.91.199.224, 49738, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->45 31 C:\Users\user\AppData\Roaming\...\kSrYER.exe, PE32 16->31 dropped 33 C:\Users\user\...\kSrYER.exe:Zone.Identifier, ASCII 16->33 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->49 51 Tries to steal Mail credentials (via file access) 16->51 53 Tries to harvest and steal ftp login credentials 16->53 55 2 other signatures 16->55 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-30 08:52:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
CustAttr .NET packer
AgentTesla
Unpacked files
SH256 hash:
f5f264cff207bd08de3b1412270dbc55227d0bf1e0eaab754e7f8f9c9aea66a5
MD5 hash:
33e33d55cd3558591d9d1921d9ba81ac
SHA1 hash:
793a66d8b94aa217fe99a6d402a7f46d82748239
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
446a0ca823108f2f887af3aa194a8babd38011cf735a60ec5ff91d71c23ae13f
MD5 hash:
360328481a5412e27f0900c5e60f7c7a
SHA1 hash:
3c8be925a3abd6f5961583027e5ef008f8cccd66
SH256 hash:
e4ffdc4465c7c6e87f6c793a9b524e721e00f4830bd35c77b5af5035c7828783
MD5 hash:
be32354737fc348e43f70af2d92523e1
SHA1 hash:
e47d5e9da8d9c8a4da09be0c5f2710caa4a1f658
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: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

AgentTesla

Executable exe e4ffdc4465c7c6e87f6c793a9b524e721e00f4830bd35c77b5af5035c7828783

(this sample)

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