MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 604a2f99191e372f62b11a4a1009e8adc41f43a8bbf3f26735549889914f0fc7. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 604a2f99191e372f62b11a4a1009e8adc41f43a8bbf3f26735549889914f0fc7
SHA3-384 hash: 6f60bcc731b668183cfaf59f944953e4428a1033bfc0d076dd2748ea609ebc11b139e5d5617f109d240d95dd02d46103
SHA1 hash: e082d807d559e2440438a533974eb568191001e6
MD5 hash: a3c32145cd008844ed15f214b02e35e4
humanhash: march-three-victor-iowa
File name:YPeBi8FRoTIc8md.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:747'008 bytes
First seen:2020-08-31 06:25:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8vOu1PGAKINILDoSc5khlZ74zasPx9AHihBJZG5JjsMX4WTyH0pXdvfPl/jpEzr:8vtJG5INoDRthlZ7XspmH/51sQ7TyHu+
Threatray 10'475 similar samples on MalwareBazaar
TLSH DEF42368187C837BF9FA5BFC116E397453A015668604F3444DC9F8D760BBB904B82BAB
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: qproxy4-pub.mail.unifiedlayer.com
Sending IP: 66.147.248.250
From: Mimmo Piermarini <mpiermarini@elesia.it>
Reply-To: Mimmo Piermarini <info@deepakengineers.co.in>
Subject: REVISED PURCHASE ORDER
Attachment: NEW REVISED ORDER.ZX (contains "YPeBi8FRoTIc8md.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53286/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/454940
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 279848 Sample: YPeBi8FRoTIc8md.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 55 rajalakshmi.co.in 2->55 57 mail.rajalakshmi.co.in 2->57 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Antivirus detection for dropped file 2->73 75 9 other signatures 2->75 8 YPeBi8FRoTIc8md.exe 7 2->8         started        12 NewApp.exe 5 2->12         started        14 NewApp.exe 4 2->14         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\KKglLIkyG.exe, PE32 8->43 dropped 45 C:\Users\...\KKglLIkyG.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp5410.tmp, XML 8->47 dropped 49 C:\Users\user\...\YPeBi8FRoTIc8md.exe.log, ASCII 8->49 dropped 77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->77 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->81 16 YPeBi8FRoTIc8md.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        23 YPeBi8FRoTIc8md.exe 8->23         started        83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 87 Injects a PE file into a foreign processes 12->87 25 schtasks.exe 12->25         started        27 NewApp.exe 12->27         started        29 NewApp.exe 14->29         started        31 schtasks.exe 14->31         started        signatures6 process7 dnsIp8 51 rajalakshmi.co.in 43.225.55.205, 49739, 49754, 587 PUBLIC-DOMAIN-REGISTRYUS United Arab Emirates 16->51 53 mail.rajalakshmi.co.in 16->53 39 C:\Users\user\AppData\Roaming\...39ewApp.exe, PE32 16->39 dropped 41 C:\Users\user\...41ewApp.exe:Zone.Identifier, ASCII 16->41 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->59 61 Moves itself to temp directory 16->61 63 Tries to steal Mail credentials (via file access) 16->63 67 3 other signatures 16->67 33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        65 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->65 37 conhost.exe 31->37         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/604a2f99191e372f62b11a4a1009e8adc41f43a8bbf3f26735549889914f0fc7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 00:15:18 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mbfc7gizdy3s6yvrdjfbacpivxcb6q5ixpz7ezzvksmitekpb7dq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'465 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware evasion trojan family:agenttesla
Link:
https://tria.ge/reports/200831-vmkvbv16d2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/604a2f99191e372f62b11a4a1009e8adc41f43a8bbf3f26735549889914f0fc7

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

rar d3251e8e030bc09c1cbc4ede2a32e7502dbb5779aab30f0719c73f8ba26c06e6

AgentTesla

Executable exe 604a2f99191e372f62b11a4a1009e8adc41f43a8bbf3f26735549889914f0fc7

(this sample)

  
Dropped by
MD5 fec57d0e40aa755bc541b980e6367114
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53286/
  
Dropped by
SHA256 d3251e8e030bc09c1cbc4ede2a32e7502dbb5779aab30f0719c73f8ba26c06e6

Comments