MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946
SHA3-384 hash: fa608bfffde3ec982922276f87aae38ff08c728d6bf20b8d98bbb6c53735b5932e59073392bd44b08ad051138ce972bb
SHA1 hash: 05c78d06e003ae66d50470424c4b2f4fc12a588b
MD5 hash: ee3e9c5a4defe801b65945bc719712eb
humanhash: magazine-saturn-undress-lemon
File name:PO.30023120.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:798'720 bytes
First seen:2021-10-20 18:53:08 UTC
Last seen:2021-10-21 00:52:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:D98xyqRSWdMkuvMNptn0UxBMWfMXy8scxIio7ZtQSj0GnZ5eqJFTPV19emNl/rK5:DW/TvaMM2cxIiMtQSjTZ5eqPW
Threatray 12'108 similar samples on MalwareBazaar
TLSH T16505BE7A3251BADECE278E7689542C60AE607C77571FC203941731E96AFE496CF204F2
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198891/
Detection(s):
SecuriteInfo.com.Variant.Bulz.418908.22064.5620.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617065cc9a5a1e91c5c8d937/reports/ba4c2b06-0af6-4ace-98be-ab0bcd557592/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0adf5c7f-5cde-4756-a934-73eb78de4f5f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874126
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
Modifies the hosts file
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 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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506550 Sample: PO.30023120.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 7 other signatures 2->53 7 PO.30023120.exe 6 2->7         started        11 DnDcR.exe 5 2->11         started        14 DnDcR.exe 2 2->14         started        process3 dnsIp4 37 C:\Users\user\AppData\...\iTiEgYlVWkvI.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpC6C0.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...\PO.30023120.exe.log, ASCII 7->41 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 7->67 16 PO.30023120.exe 2 5 7->16         started        21 schtasks.exe 1 7->21         started        45 192.168.2.1 unknown unknown 11->45 69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 73 Injects a PE file into a foreign processes 11->73 23 schtasks.exe 1 11->23         started        25 DnDcR.exe 2 11->25         started        file5 signatures6 process7 dnsIp8 43 mail.aldhiyafainteriors.com 199.188.205.66, 49840, 587 NAMECHEAP-NETUS United States 16->43 31 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 16->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 16->33 dropped 35 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 16->35 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 Tries to steal Mail credentials (via file access) 16->57 59 Tries to harvest and steal ftp login credentials 16->59 61 3 other signatures 16->61 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-20 17:01:20 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3ctjjlcik47zyeejcofgcz4csfv7chbhhuy2bvwgd7bibgatfda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b
AgentTesla
27645f1d148b659a43b23aff406fd0a354c0f4c5ad89eadc475cc5b58244c83b
AgentTesla
3262041b975c085ac4910cab0c54cafd02bee3accf8f921712f9a626634ea833
AgentTesla
5ccb4b42592b867c638bc0b10bd75d11865ee1bea36d8242bffe1aba403336e4
AgentTesla
ea2e150b453af5ef1d129f5175af498b4a31c78bb244e3abd6878ccd43bd6735
AgentTesla
f7f953c1fe2a993d404b4dbd1356f8cf4017c265ea9dafa60f8beeaff0c0588a
AgentTesla
+ 12'098 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211020-xj7y8sadel/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Unpacked files
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/061be88a-33fa-4755-907c-a1d75f6f6207/
SH256 hash:
f31378192fdae5d16e6eb1def825d928878594e876bf73b9d2e1e8d87e9ab35f
MD5 hash:
1f1dc36a2498d5c927c437e1967a5157
SHA1 hash:
3c14556886f5cc125e17c43697f004140cd84d16
Link:
https://www.unpac.me/results/061be88a-33fa-4755-907c-a1d75f6f6207/
SH256 hash:
99758da6e5e2264b63934e4cafbacb97a1599de2841f0ca8be8e98129f345b6f
MD5 hash:
671cf4a3046adfacf0af850d3f285001
SHA1 hash:
1b6be567cabbe7dce4fd5e2ed955e9478531cd77
Link:
https://www.unpac.me/results/061be88a-33fa-4755-907c-a1d75f6f6207/
SH256 hash:
4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946
MD5 hash:
ee3e9c5a4defe801b65945bc719712eb
SHA1 hash:
05c78d06e003ae66d50470424c4b2f4fc12a588b
Link:
https://www.unpac.me/results/061be88a-33fa-4755-907c-a1d75f6f6207/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4ec534a56242/report/overview.html
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/4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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 4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198891/

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