MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f63e26c8923ba7b4d1ed579217a1ad99ed564cf467be04fdb4fadf96784df21. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f63e26c8923ba7b4d1ed579217a1ad99ed564cf467be04fdb4fadf96784df21
SHA3-384 hash: 5f8949856dfee7b19c51edbd3750b4e4f5f9eb1200d9a78a0903ad0aae4a074af73782d320d5b516c9020226a9f6c98d
SHA1 hash: d32a49fecefecd8085a6844c5652d95cb31e44c2
MD5 hash: 517ddebda974dfac6b68d3137040f7ae
humanhash: oven-island-king-texas
File name:M00058.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:779'776 bytes
First seen:2020-08-19 14:15:15 UTC
Last seen:2020-08-19 14:45:17 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:NnxdCpAOhcmRNY4IQ1jgkuhtSWDmJy1lW21ke0tqlarX8P3z1rEppppppppppppj:5xdiRNY4IsnSF1qeky3zA
Threatray 10'624 similar samples on MalwareBazaar
TLSH 67F45B85F11822ADE81AB6F28535CC7062126C7D5A35E11F10FB3E673B7E693CE1906E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.btjlines.com
Sending IP: 137.59.125.189
From: Accounts - C & C Marine Combine <accounts@ccmarine.in>
Subject: RE: C&C INVOICES / OPS / PAYMENT SCHEDULE - TOTAL CNC PENDING FOR HT APPROVAL 18082020
Attachment: M00058.rar (contains "M00058.exe")

AgentTesla SMTP exfil server:
smtp.israelagroconsultant.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48618/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.31086.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
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/438424
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271683 Sample: M00058.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 6 other signatures 2->58 8 M00058.exe 7 2->8         started        13 TkvuX.exe 2 2->13         started        15 TkvuX.exe 1 2->15         started        process3 dnsIp4 50 192.168.2.1 unknown unknown 8->50 38 C:\Users\user\AppData\...\xjjqYzHJKV.exe, PE32 8->38 dropped 40 C:\Users\...\xjjqYzHJKV.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpA2ED.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\M00058.exe.log, ASCII 8->44 dropped 68 Writes to foreign memory regions 8->68 70 Injects a PE file into a foreign processes 8->70 72 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->72 17 RegSvcs.exe 2 4 8->17         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        file5 signatures6 process7 dnsIp8 46 smtp.israelagroconsultant.com 17->46 48 us2.smtp.mailhostbox.com 208.91.198.143, 49744, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->48 34 C:\Users\user\AppData\Roaming\...\TkvuX.exe, PE32 17->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 17->36 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->62 64 Tries to steal Mail credentials (via file access) 17->64 66 5 other signatures 17->66 28 reg.exe 1 17->28         started        30 conhost.exe 22->30         started        file9 signatures10 process11 process12 32 conhost.exe 28->32         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2f63e26c8923ba7b4d1ed579217a1ad99ed564cf467be04fdb4fadf96784df21/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 06:10:34 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5r6e3ejeo5hwti62v4sc6q23gpnkzgpiz56at63j6w7sz4e34qq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'614 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200819-djnq7tnyg2/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f63e26c8923ba7b4d1ed579217a1ad99ed564cf467be04fdb4fadf96784df21

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 b0485c8b53dff1509e62e1aff5b0f73cae7078c9d51f02361ec3a85677d80f86

AgentTesla

Executable exe 2f63e26c8923ba7b4d1ed579217a1ad99ed564cf467be04fdb4fadf96784df21

(this sample)

  
Dropped by
MD5 a73d83f5a34ddb0981aa3632286fc137
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b0485c8b53dff1509e62e1aff5b0f73cae7078c9d51f02361ec3a85677d80f86
Cape
Cape
https://www.capesandbox.com/analysis/48618/

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