MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a96d3b5045707ea019df57780224004839b38323bd9b51204034b2f5d26e76a. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
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SHA256 hash: 3a96d3b5045707ea019df57780224004839b38323bd9b51204034b2f5d26e76a
SHA3-384 hash: b68a067b5d106648dd2957b610bcd4bf19ce07d04446d2933f010d68474f676d9a27b8e84d313683f5978cd45858d877
SHA1 hash: d99dfd803c8e22b46ac8e01cb7557599e399d5fe
MD5 hash: 5162c23cfca57edf446a7277d6a87052
humanhash: lactose-wisconsin-grey-muppet
File name:IMG-2020727-OWA01-JPG.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:509'440 bytes
First seen:2020-07-28 18:21:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:JQXRGYSzPGgfj6ylGuh7p/CfDpM9JU9SH:Jo4YS7GgZj/Ca
Threatray 10'948 similar samples on MalwareBazaar
TLSH C2B4F1057680F74FC8578EB54D946C64A7B0F1AA070BE74B7C8722EC594E39ACF126A3
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33927/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.43555473.25665.6278.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400813
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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)
Sigma detected: Scheduled temp file as task from temp location
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: 252681 Sample: IMG-2020727-OWA01-JPG.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 30 g.msn.com 2->30 32 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->32 38 Found malware configuration 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 8 IMG-2020727-OWA01-JPG.exe 7 2->8         started        12 wuapihost.exe 2->12         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->22 dropped 24 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->24 dropped 26 C:\Users\user\AppData\Local\Temp\tmpB50.tmp, XML 8->26 dropped 28 C:\Users\...\IMG-2020727-OWA01-JPG.exe.log, ASCII 8->28 dropped 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->48 50 Injects a PE file into a foreign processes 8->50 14 IMG-2020727-OWA01-JPG.exe 4 8->14         started        18 schtasks.exe 1 8->18         started        signatures6 process7 dnsIp8 34 smtp.sankapatrol.com 14->34 36 us2.smtp.mailhostbox.com 208.91.198.143, 49727, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->36 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->52 54 Tries to steal Mail credentials (via file access) 14->54 56 Tries to harvest and steal ftp login credentials 14->56 58 Tries to harvest and steal browser information (history, passwords, etc) 14->58 20 conhost.exe 18->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a96d3b5045707ea019df57780224004839b38323bd9b51204034b2f5d26e76a/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-27 23:03:23 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hklnhniek4d6uam56v3yaisaasbzwobshpm3keqeanfs6xjg45va._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'938 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200728-vbfqavgxl2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Spyware
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/3a96d3b5045707ea019df57780224004839b38323bd9b51204034b2f5d26e76a

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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 2ea57ae7330e120dbfe8eceff4ce35bc2eed65659006928f60e2a15e6a8bfa02

AgentTesla

Executable exe 3a96d3b5045707ea019df57780224004839b38323bd9b51204034b2f5d26e76a

(this sample)

  
Dropped by
MD5 2c82204851714df54fb00d962dd61ac8
  
Dropped by
SHA256 2ea57ae7330e120dbfe8eceff4ce35bc2eed65659006928f60e2a15e6a8bfa02
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33927/

Comments