MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3094ea643b6c2e4dc2172349bbc1ed3b0bf85e3354b6171bd9fbf2577c491267. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3094ea643b6c2e4dc2172349bbc1ed3b0bf85e3354b6171bd9fbf2577c491267
SHA3-384 hash: 95d7cf15a5da4a062171b09ffb9e5616a2346e6bef388ce061422ad9354e4e9909d5d5949091a5511e5f4fc18a619307
SHA1 hash: aa3798ae34d935881566475824e3afba5403206a
MD5 hash: ac99fe02ef0943c5ac1d7c7f7e062a32
humanhash: california-beer-kentucky-sink
File name:outstanding invoices.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:522'752 bytes
First seen:2021-06-02 06:31:43 UTC
Last seen:2021-06-03 05:50:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:qlflWu2xZJSPKum5sHo9oVJtV4lLg0LX79ojkPU0ah0jGPZ:ql851BumsHBVJC779y+Ub0iB
Threatray 2 similar samples on MalwareBazaar
TLSH DDB423B965E4DE24E12E67FCA4B667218371C116B9A3FA1E9DC660DC2F72500C211AF3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
outstanding invoices.exe
Verdict:
Malicious activity
Analysis date:
2021-06-02 06:32:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f6997a8e-5353-4959-b96c-7cabc4452e98

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/163933/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.100.27815.18893.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/795652
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 428048 Sample: outstanding invoices.exe Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Yara detected AgentTesla 2->55 57 10 other signatures 2->57 7 outstanding invoices.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 4 2->13         started        process3 file4 35 C:\Users\user\AppData\...\ADZjhcHpnWzQI.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpBB3E.tmp, XML 7->37 dropped 39 C:\Users\...\outstanding invoices.exe.log, ASCII 7->39 dropped 59 Injects a PE file into a foreign processes 7->59 15 outstanding invoices.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        61 Machine Learning detection for dropped file 11->61 21 schtasks.exe 1 11->21         started        23 kprUEGC.exe 11->23         started        25 kprUEGC.exe 11->25         started        27 kprUEGC.exe 11->27         started        29 schtasks.exe 13->29         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->41 dropped 43 C:\Windows\System32\drivers\etc\hosts, ASCII 15->43 dropped 45 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->45 dropped 47 Modifies the hosts file 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3094ea643b6c2e4dc2172349bbc1ed3b0bf85e3354b6171bd9fbf2577c491267/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-02 06:32:10 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gckouzb3nqxe3qqxene3xqpnhmf7qxrtks3bog6z7pzfo7cjcjtq._file
Verdict:
unknown
Similar samples:
6c9b3cb473eafac739743f9f3c8be5bf671eeee602781a05c64fe7ff9b6e93fa
AgentTesla
d710b2d7fe63379b5636ac91f74007678d81bd9528116cda02d1727a38eef191
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210602-p15e26mess/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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/3094ea643b6c2e4dc2172349bbc1ed3b0bf85e3354b6171bd9fbf2577c491267

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Executable exe 3094ea643b6c2e4dc2172349bbc1ed3b0bf85e3354b6171bd9fbf2577c491267

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/163933/

Comments