MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb26b474b4f7be86dc5bf39c595a93d1e3353bd25312d83249dc4e1097df2f3e. 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: cb26b474b4f7be86dc5bf39c595a93d1e3353bd25312d83249dc4e1097df2f3e
SHA3-384 hash: 5d1015371456a47cde3f54984958ae3e5f0d18a53967231c70cff45dcc6b945334f227863a795d1337a0f61f47ee3313
SHA1 hash: 5d7ff96fe479b8dff01efe5521086ad41f1308f4
MD5 hash: 6ecc451d15b0888350813492adb1489f
humanhash: green-oven-mountain-montana
File name:profoema invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:642'048 bytes
First seen:2020-08-28 14:21:42 UTC
Last seen:2020-08-28 14:37:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:kSZOdHBwCq+TmOX8OF1E/f0Z8Z/dMYUKu6n5e5nwQcEUs051ZKE:zCMmzM/fhZ/dMYU/6n8uYU51ZKE
Threatray 9'472 similar samples on MalwareBazaar
TLSH D5D42334034C8B2AC9F85BFA497D362057F07162795EE6555883ECDA14C3B1F8326EAB
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/52371/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.53454.16351.1089.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
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/453626
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)
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
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
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279185 Sample: profoema invoice.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->65 67 Found malware configuration 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 11 other signatures 2->71 8 profoema invoice.exe 7 2->8         started        12 WCPCe.exe 4 2->12         started        14 WCPCe.exe 5 2->14         started        process3 file4 47 C:\Users\user\AppData\...\LaWNaUbJuLmo.exe, PE32 8->47 dropped 49 C:\Users\...\LaWNaUbJuLmo.exe:Zone.Identifier, ASCII 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmpCA30.tmp, XML 8->51 dropped 53 C:\Users\user\...\profoema invoice.exe.log, ASCII 8->53 dropped 85 Injects a PE file into a foreign processes 8->85 16 profoema invoice.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        23 WCPCe.exe 12->23         started        25 schtasks.exe 12->25         started        87 Multi AV Scanner detection for dropped file 14->87 89 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->89 91 Machine Learning detection for dropped file 14->91 93 2 other signatures 14->93 27 schtasks.exe 14->27         started        29 WCPCe.exe 14->29         started        signatures5 process6 dnsIp7 55 smtp.uwcelectric.com 16->55 57 smtp.mailhostbox.com 162.222.225.59, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->57 59 192.168.2.1 unknown unknown 16->59 41 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 16->41 dropped 43 C:\Windows\System32\drivers\etc\hosts, ASCII 16->43 dropped 45 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 16->45 dropped 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->73 75 Tries to steal Mail credentials (via file access) 16->75 77 Modifies the hosts file 16->77 31 reg.exe 16->31         started        33 conhost.exe 21->33         started        61 162.222.225.58, 49754, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->61 63 smtp.uwcelectric.com 23->63 79 Tries to harvest and steal ftp login credentials 23->79 81 Tries to harvest and steal browser information (history, passwords, etc) 23->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->83 35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        file8 signatures9 process10 process11 39 conhost.exe 31->39         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb26b474b4f7be86dc5bf39c595a93d1e3353bd25312d83249dc4e1097df2f3e/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-28 01:02:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmtli5fu667inxc36oofswut2hrtko6skmjnqmsj3rhbbf67f47a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a2938e6462b02115d0579cb8a4294626eb792a781b68175844a5fb26ae6de0b6
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bd6650220b7fa539c937c4008df96914a86b1cbaa0098588a9b4ec0175f0c679
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dfe001ed1950d612ea59a75c6367629ff0e031853e9f7a12b7f0381a4f20660f
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fafa7913ac9ff3330896a63b8db3d8e8f88e35a10de8a96dafa570ed29b537d6
AgentTesla
+ 9'462 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200828-enk89memzx/
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:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/cb26b474b4f7be86dc5bf39c595a93d1e3353bd25312d83249dc4e1097df2f3e

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/52371/

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