MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b6e59a4d06a6facb44ad4bdc483ea0de5edfcb0422a7c1c477afe3a87180279. 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: 6b6e59a4d06a6facb44ad4bdc483ea0de5edfcb0422a7c1c477afe3a87180279
SHA3-384 hash: 8bc3c5711fb2a7c40c3101f06a514e9822f9863daa6e50cb29e0ec956e5e9f2eecc201fc975812c0b50db0a17d1fd35b
SHA1 hash: 62d4d793ebc2a7ffae67277f5c138e9c1103648c
MD5 hash: b1deea9b9ea02d98ac34d0e778d3b596
humanhash: maine-earth-four-butter
File name:Request for quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:537'600 bytes
First seen:2020-07-16 10:41:11 UTC
Last seen:2020-07-16 12:08:23 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 12288:15jv2k4zUrjDGG5tCzQLYhs+cLO5ZY9xi8CDzU/pS:zjNOG5wzQLXVCU3Y
Threatray 11'123 similar samples on MalwareBazaar
TLSH 47B48CD83510758EC95E8D7689A4DC70A6202C62F7FBD20763C36E9F793C697CB142A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vm12.vitconsulting.xyz
Sending IP: 95.141.35.123
From: luiz fernandez <fernandez@heras.co.uk>
Subject: Re. Re. Re. Request for quotation
Attachment: Request for quotation.zip (contains "Request for quotation.exe")

AgentTesla SMTP exfil server:
smtp.pharco--corp.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26699/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.11749.20896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389573
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b6e59a4d06a6facb44ad4bdc483ea0de5edfcb0422a7c1c477afe3a87180279/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 10:43:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnxftjgqnjx2znck2s64ja7kbxs637fqiivhyhchpl7dvbyyaj4q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0262d3c3b2b03ad33d112361a02cc54ae49aab91042075c2978f14cb2aec0093
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18646a2607b76f94076a1b6ca579e2bfc24cfe36693511a1ef559c0ee254ac74
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5ece001c55a57cdf719fd6cbacec989d348086d7a22d9a0764aab2473aa3e9f7
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6aabf54e49076a1e1ba3f8b06c90b86932585d7648151db9ea0a2c0c55d00dae
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8f32b214dfe7dca133c2c100d46aae307ae1436a2b4afa27f261cb51c7ae262a
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9c7b103e3aaa595ae90af29253f1c0c7062dba34fd4b97070644105b025a3488
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aa72cac1ef23e95b93552363feb47970ce53eda70296757aa29c1f445d9529be
AgentTesla
cbfc08ab907fa89fcf4921c6824a84f112324ff1acaa63934774bba8d98f2b01
AgentTesla
f7591a2de2385aa3dad95196e96345c79780582807efb02718e37dfd4f092e81
AgentTesla
f8311c2389077ec88e9a7101e5950173d00356248136bc3e2242079ac4398cf6
AgentTesla
+ 11'113 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200716-4vjsevgv8j/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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

zip 4885218c4cfae469dbc3d662f5cdab0eae164b0026ab3e82b79afdbadc3f224e

AgentTesla

Executable exe 6b6e59a4d06a6facb44ad4bdc483ea0de5edfcb0422a7c1c477afe3a87180279

(this sample)

  
Dropped by
MD5 4702f5c21a15e6f1efee89ec214e95a7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26699/
  
Dropped by
SHA256 4885218c4cfae469dbc3d662f5cdab0eae164b0026ab3e82b79afdbadc3f224e

Comments