MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6557f7ee32adfd50c44568fda13bd4591354c4f8d047815fd22ee67942d52bda. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6557f7ee32adfd50c44568fda13bd4591354c4f8d047815fd22ee67942d52bda
SHA3-384 hash: e5a5ca02a46ee12677c5a5bf61aa649d608791abb0291f220cf735cdd5df57d7595f823a873f0ef4242531fc5d5f6246
SHA1 hash: b1bc39cbbcc860519c374051a08e3263e7469c91
MD5 hash: cb2667d6821439de831b0ec242be35bd
humanhash: bluebird-alaska-delta-angel
File name:Inquiry 40140.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:785'920 bytes
First seen:2020-08-13 08:33:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0aa3dcbdd0727cba5785897870b1d0ce (14 x AgentTesla, 6 x Loki, 3 x Formbook)
ssdeep 12288:ukTCaGA3RukdYUSTkq31mZqB5ke5C5y3ptXwj6n0hXh61MWkoBnflGEwO:90CEU+DTk0lp5R0MMyBgBO
Threatray 11'374 similar samples on MalwareBazaar
TLSH AFF48D62A2F0483FD166153D9F3B5FE4BC25BE112A2499462BF41C4F7F3928D382529E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: bergers2b.com
Sending IP: 45.137.22.133
From: Nueket Yuerekli <NueketYuerekli@bergers2b.com>
Subject: RE: Quotation for Inquiry 40140
Attachment: Inquiry 40140.zip (contains "Inquiry 40140.exe")

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

AgentTesla SMTP exfil email address:
amazing.grace@ikrrispharmanetwork.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44971/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Mal.Generic-S.5549.16169.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Moving of the original file
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/425485
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Moves itself to temp directory
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/6557f7ee32adfd50c44568fda13bd4591354c4f8d047815fd22ee67942d52bda/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 03:39:23 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvl7p3rsvx6vbrcfnd62co6ulejvjrhy2bdycx6sf3thsqwvfpna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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AgentTesla
+ 11'364 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200813-pvt9v2dktx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
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
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6557f7ee32adfd50c44568fda13bd4591354c4f8d047815fd22ee67942d52bda

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 e64b4685b1b4b7594ada97cab3d8e293b0a54745e54eb482e207d3013ae4e427

AgentTesla

Executable exe 6557f7ee32adfd50c44568fda13bd4591354c4f8d047815fd22ee67942d52bda

(this sample)

  
Dropped by
MD5 593432e30696e927ff989fbeba159691
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44971/
  
Dropped by
SHA256 e64b4685b1b4b7594ada97cab3d8e293b0a54745e54eb482e207d3013ae4e427

Comments