MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb5a41122d5404bebf7507c54de22c4b3047e8f01b208076b339622877a621a5. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb5a41122d5404bebf7507c54de22c4b3047e8f01b208076b339622877a621a5
SHA3-384 hash: 909af8ea3c10a6752d401590073197676a6bda4515a6d54192035d5ea4dc0dfd6a804ba5918589903cfa770c9cecaebd
SHA1 hash: 6ce2767ef97ed1697ee4f877962caab35afc66cb
MD5 hash: 6e77d7156f7e50e7f5a42ed4086e414f
humanhash: alabama-saturn-ohio-muppet
File name:6e77d7156f7e50e7f5a42ed4086e414f.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:680'960 bytes
First seen:2021-03-22 20:10:14 UTC
Last seen:2021-03-22 21:54:47 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 12288:S9uD0L/m2bB2Ce6gACaE1O7ql69BXaCIr9ZpOfkabrbKKNJIoRhc0n+/Y:+p2Ce6dCaGlOqCIrrpVaT7Jdhcj
Threatray 541 similar samples on MalwareBazaar
TLSH 6EE41205B7377BC9E5B40BB984AC969A97F4A50FA263CFF74CE350C8045A3485AF8136
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.meyaargroup.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6e77d7156f7e50e7f5a42ed4086e414f.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 20:26:05 UTC
Tags:
loader
Link:
https://app.any.run/tasks/e4921849-466d-4e37-8d43-d0ac042e6120

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/126263/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.597.24221.9754.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/648696
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Found malware configuration
Injects a PE file into a foreign processes
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 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: 373309 Sample: cTIRvbnjMh.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 6 other signatures 2->46 7 cTIRvbnjMh.exe 15 8 2->7         started        process3 dnsIp4 36 industriasyuli.com 162.144.79.7, 49714, 80 UNIFIEDLAYER-AS-1US United States 7->36 28 C:\Users\user\AppData\Roaming\kKUXWsw.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\Local\Temp\wmin.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmpEBB6.tmp, XML 7->32 dropped 34 C:\Users\user\AppData\...\cTIRvbnjMh.exe.log, ASCII 7->34 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 2 other signatures 7->54 12 cTIRvbnjMh.exe 2 7->12         started        15 wmin.exe 3 7->15         started        18 powershell.exe 25 7->18         started        20 2 other processes 7->20 file5 signatures6 process7 dnsIp8 56 Tries to steal Mail credentials (via file access) 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 38 127.0.0.1 unknown unknown 15->38 60 Multi AV Scanner detection for dropped file 15->60 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started        26 conhost.exe 20->26         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb5a41122d5404bebf7507c54de22c4b3047e8f01b208076b339622877a621a5/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 18:13:57 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=znnecernkqcl5p3va7cu3yrmjmyep2hqdmqia5vthfrcq55gegsq._file
Verdict:
malicious
Similar samples:
1a064537eb0c0124f241adb75a147ffee6b8db597d9051c72a6c1c3c421b0b6d
AgentTesla
234e3317d58b6b4c671932800d37983a6565ad868d5b006145df81f6625dc2dc
AgentTesla
4cced354a0867338e39875526796861c483e8475bdacd117dd34ad1c2d89ec63
AgentTesla
7b4088ae7dcb358f6054c3945ca02e944009dafbfc96267f95bae4049c5eca57
AgentTesla
8a3e6eba5ffc2a598f2f7d4b2c1a73c845f8c1660ed47c0cdc1df48844f7f1eb
AgentTesla
8f5dfe8e291d0fd6aa44d6b06358b1f571f9c1a6172ca2f82a2db10327d0dee8
AgentTesla
993ff110af136acf1200dd8ad51a4b284a0e2086efffce49d6e3fd759e607420
AgentTesla
9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37
AgentTesla
e1b1b57c7503c9c66154195fa0885f4b4fc8c5b8a173b217ef0f6d754ae886fe
AgentTesla
f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa
AgentTesla
+ 531 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210322-4lthy6r9we/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/e931ddb5-c28c-4836-89e6-a12809de594b/
SH256 hash:
cb5a41122d5404bebf7507c54de22c4b3047e8f01b208076b339622877a621a5
MD5 hash:
6e77d7156f7e50e7f5a42ed4086e414f
SHA1 hash:
6ce2767ef97ed1697ee4f877962caab35afc66cb
Link:
https://www.unpac.me/results/e931ddb5-c28c-4836-89e6-a12809de594b/
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/cb5a41122d5404bebf7507c54de22c4b3047e8f01b208076b339622877a621a5

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: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.

Web download

AgentTesla

Executable exe cb5a41122d5404bebf7507c54de22c4b3047e8f01b208076b339622877a621a5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1067127/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/126263/

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