MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb9ef9299560ef8ce20ccecc38804303b2f49e31955277075d580ec76d167682. 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: fb9ef9299560ef8ce20ccecc38804303b2f49e31955277075d580ec76d167682
SHA3-384 hash: a355074f4279a41b48c5aae469f027c0921e4d16e288c69cbb0a83aca601072dacbc14286f7fa28d1f7203b877c79599
SHA1 hash: 4432df8eeb5264dddd40ba039b6dca0a36337337
MD5 hash: 72df9489b54be3cfdba1722dc5f146d3
humanhash: cat-berlin-hot-fifteen
File name:Quotation00000-2=297=887.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:493'056 bytes
First seen:2020-07-22 10:46:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7NHr2tM1PUm2iNSRKCd9SDSrCRjV9Im61sWOhVE3:7p1cm1/C7SDdRjzbWObE3
Threatray 10'655 similar samples on MalwareBazaar
TLSH 1AA4DF20FBF802D9D76947BAE0601550A779A51E67EAE30D2F92F1EC0932B418713F67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: blinux.thesecurededicatedserver.com
Sending IP: 173.82.10.130
From: INFO <info@aadab.biz>
Subject: RE: Enquiry
Attachment: Quotation00000-2=297=887.zip (contains "Quotation00000-2=297=887.exe")

AgentTesla SMTP exfil server:
mail.bulletlogistics.in:26

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31120/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
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/394973
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 249878 Sample: Quotation00000-2=297=887.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 26 cdn.onenote.net 2->26 30 Found malware configuration 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 Sigma detected: Scheduled temp file as task from temp location 2->34 36 5 other signatures 2->36 8 Quotation00000-2=297=887.exe 5 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Roaming\hdkawDp.exe, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\tmpA8A8.tmp, XML 8->22 dropped 24 C:\Users\...\Quotation00000-2=297=887.exe.log, ASCII 8->24 dropped 38 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Contains functionality to register a low level keyboard hook 8->44 12 Quotation00000-2=297=887.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 28 mail.bulletlogistics.in 162.215.248.204, 26, 49734 PUBLIC-DOMAIN-REGISTRYUS United States 12->28 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 52 2 other signatures 12->52 18 conhost.exe 16->18         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb9ef9299560ef8ce20ccecc38804303b2f49e31955277075d580ec76d167682/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 10:48:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7oppskmvmdxyzyqmz3gdracdaozpjhrrsvjhob25lahmo3iwo2ba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'645 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla evasion
Link:
https://tria.ge/reports/200722-jhxbt4l1sa/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb9ef9299560ef8ce20ccecc38804303b2f49e31955277075d580ec76d167682

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 77d3c683c8750772235745fe300c88df342e1f22ecc77adb7c1b0f4980eaaaa5

AgentTesla

Executable exe fb9ef9299560ef8ce20ccecc38804303b2f49e31955277075d580ec76d167682

(this sample)

  
Dropped by
MD5 78fff13b27dee27c63bd3b6cab843146
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/31120/
  
Dropped by
SHA256 77d3c683c8750772235745fe300c88df342e1f22ecc77adb7c1b0f4980eaaaa5

Comments