MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c297389eed9eef2c21048b2adb9c9112fc7a7f209e4a0c989bbccc4a56b5d211. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c297389eed9eef2c21048b2adb9c9112fc7a7f209e4a0c989bbccc4a56b5d211
SHA3-384 hash: 15bd8581492d937fd38fc4992d11b52ed15a22de4dba2f72ebf2ff51a41ed9fc91786c3d21646dc4a6456fd449af2cd5
SHA1 hash: ce760c4070d860fdcf08650ca65937e71447d8e0
MD5 hash: fc16dd1916a2752a85ebbb653713c607
humanhash: fifteen-equal-network-maine
File name:Liquid bromine.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'137'152 bytes
First seen:2020-08-19 07:31:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:e0ViOcpZrJFuKLc0MoZ8JRQlVmhw4Z23jRrhyuqt:e0VxwXuKzMA8JRGww48F
Threatray 10'322 similar samples on MalwareBazaar
TLSH 4935E153238DAA2EC6FE56BBF4B888169BB0C651A1CFE3991DCDA4701DD33640DCB164
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.h-email.net
Sending IP: 104.168.243.73
From: Abinash Dash' <abinash.dash@wanbury.com>
Subject: Liquid bromine supply requirement
Attachment: Liquid bromine.zip (contains "Liquid bromine.exe")

AgentTesla FTP exfil server:
rfgrgfr.freetzi.com:21

AgentTesla FTP exfil user name:
rfgrgfr.freetzi.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48282/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/436959
Signature
Maps a DLL or memory area into another process
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 270901 Sample: Liquid bromine.exe Startdate: 19/08/2020 Architecture: WINDOWS Score: 80 33 Yara detected AgentTesla 2->33 8 Liquid bromine.exe 1 2->8         started        process3 signatures4 35 Maps a DLL or memory area into another process 8->35 11 RegAsm.exe 15 2 8->11         started        15 Liquid bromine.exe 1 8->15         started        17 cmd.exe 1 8->17         started        process5 dnsIp6 31 rfgrgfr.freetzi.com 162.253.155.226, 21 REPRISE-HOSTINGUS United States 11->31 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->39 41 Tries to steal Mail credentials (via file access) 11->41 47 3 other signatures 11->47 43 Writes to foreign memory regions 15->43 45 Maps a DLL or memory area into another process 15->45 19 cmd.exe 1 15->19         started        21 RegAsm.exe 2 15->21         started        23 conhost.exe 17->23         started        25 choice.exe 1 17->25         started        signatures7 process8 process9 27 conhost.exe 19->27         started        29 choice.exe 1 19->29         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c297389eed9eef2c21048b2adb9c9112fc7a7f209e4a0c989bbccc4a56b5d211/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 19:35:57 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ykltrhxnt3xsyiiermvnxhercl6hu7zatzfazge3xtgeuvvv2iiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
33bba4987ed156603ef0d3d38b149b2f3d0bed4d52adf5615a6d19013cb7a94e
AgentTesla
38118890132f2d5961485eee53ced48bbcec32595405124552c6cac2a633007b
AgentTesla
97ef7a7690afb5dbccd0a14256d42742cbf3954901d9faf241b41bbd28e68d97
AgentTesla
9c88edc06d9929ca8f269e113bac17fed103603e5de794c3ae13cebc184a8a0d
AgentTesla
b3f05c91372f9d3ea369661aa0adfbefd629b98f1d1ab6cd9c2d271ef712fdf1
AgentTesla
b860c68b8a4ca548c005de132b6b2870a43baab32df04c32588d70da1ae47b6e
AgentTesla
e2d8bfec4161287caf4f118ec66daaceb71c6fdda1b4aa16f8810f8a66f59013
AgentTesla
e2ff7c5e749d36ebfcc2a9d5af487369e454ef301a859eb8fc11ebe15ea73e34
AgentTesla
f448b48505882a50dd6e5f08020280129dca9ef8c41fcdbd0f46655499ff49b4
AgentTesla
fe9b84c61e72703a67b2b0adf482da7d704972dd65cef9e33e3b2003f7bf7625
AgentTesla
+ 10'312 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/200819-h9sh75rak2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c297389eed9eef2c21048b2adb9c9112fc7a7f209e4a0c989bbccc4a56b5d211

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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 5eada6f049ead7365e3000db0644556bd939095636333a66596c8de54de9c539

AgentTesla

Executable exe c297389eed9eef2c21048b2adb9c9112fc7a7f209e4a0c989bbccc4a56b5d211

(this sample)

  
Dropped by
MD5 d314937dfe48bd7ebe12c3026bb059e8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48282/
  
Dropped by
SHA256 5eada6f049ead7365e3000db0644556bd939095636333a66596c8de54de9c539

Comments