MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 616ab10592901307ae43cc24dd1387523a9f4998a7cef709354f304beadfb299. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: 616ab10592901307ae43cc24dd1387523a9f4998a7cef709354f304beadfb299
SHA3-384 hash: 111f57acd35e8b6e2e4d95ca02ae77da00d5f98edfa47705d7a78486150691ea65d38c2f502f2afb729e82c9381074d6
SHA1 hash: ab95c2b889d358fa7fc910b5aa4bd950556b114d
MD5 hash: 812d38748f4efa596c56fd4c52462a14
humanhash: oven-california-twenty-carbon
File name:PO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:529'408 bytes
First seen:2020-08-11 14:22:25 UTC
Last seen:2020-08-13 05:16:30 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:O2grpiAmIdetGgVWULwfOfJ9fFuPisTmBr/OkFRPh9sF:AQAhdetjTSOB98KsT+SkP
Threatray 10'617 similar samples on MalwareBazaar
TLSH 4DB4E1AD322CBBAEC4DBCD7189AC3C50AA20756B930BD3036547259D494D6EBCF506F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: Monica 媛媛@domain.invalid,monica001@lemi88.com
Subject: PO 229156.
Attachment: PO.gz (contains "PO.exe")

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/43517/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.27418.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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/419293
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 signatures2 2 Behavior Graph ID: 262017 Sample: PO.exe Startdate: 11/08/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Yara detected AgentTesla 2->35 37 5 other signatures 2->37 7 PO.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\iFKjqQXcK.exe, PE32 7->19 dropped 21 C:\Users\...\iFKjqQXcK.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp1F56.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 45 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->45 11 PO.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 hybridgroupco.com 167.114.220.88, 49734, 587 OVHFR Canada 11->27 29 mail.hybridgroupco.com 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/616ab10592901307ae43cc24dd1387523a9f4998a7cef709354f304beadfb299/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 14:24:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mfvlcbmssajqplsdzqsn2e4hki5j6smyu7hpocjvj4yex2w7wkmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a348251ca8856d6984701e79b0946e27410542a8d6769bc0d902239ff41efc9f
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ef7a8f1478e57d2dedf96a00501903b7b5a571680286502f2f329ed2c8728b2b
AgentTesla
+ 10'607 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200811-wahn7stgpe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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 Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/616ab10592901307ae43cc24dd1387523a9f4998a7cef709354f304beadfb299

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

gz ede1b1ab28fe85b99163a84d3ab6a786e2811cfc9daae23e8a378260eec026ea

AgentTesla

Executable exe 616ab10592901307ae43cc24dd1387523a9f4998a7cef709354f304beadfb299

(this sample)

  
Dropped by
MD5 23b603d60ca1a20af732779cdd5b7b24
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/43517/
  
Dropped by
SHA256 ede1b1ab28fe85b99163a84d3ab6a786e2811cfc9daae23e8a378260eec026ea

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