MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e. 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: ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e
SHA3-384 hash: a262a8e3dcc1f0538771115213af68be1c5c11e895a625e2b6aced3e35a8647ea19d6554826c43091a104d82d3ee2d99
SHA1 hash: e35dddbc0fbf97a94257039941d6910ffc7615d4
MD5 hash: 41661d4ec98347e7359621a526e7e976
humanhash: winner-delta-arizona-pasta
File name:New Po.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:757'760 bytes
First seen:2020-07-31 06:21:24 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 12288:eHX8kTk5qWnbCcUaz74RkVMMEStOUhKdAA:eHLTunbCcUa34o7EsYA
Threatray 10'847 similar samples on MalwareBazaar
TLSH F8F4F6B93B829415D93E093584B59AD36272B24F2F15CA0FB9C5BF4D7E1338B2A0714B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: host54.registrar-servers.com
Sending IP: 198.54.115.55
From: purchase@africancanadianassociation.com
Subject: Purchase Order
Attachment: New Po.z (contains "New Po.exe")

AgentTesla SMTP exfil server:
webmail.chennairealty.biz:587

AgentTesla SMTP exfil email address:
mayzin.kyvve@gmail.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35824/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
54 / 100
Link:
https://www.joesandbox.com/analysis/404563
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Sigma detected: Add file from suspicious location to autostart registry
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 254511 Sample: New Po.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 54 29 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->29 31 Yara detected AgentTesla 2->31 33 Sigma detected: Add file from suspicious location to autostart registry 2->33 35 .NET source code contains very large array initializations 2->35 7 New Po.exe 7 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 25 C:\Users\user\AppData\Roaming\...\uche.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->27 dropped 14 cmd.exe 1 7->14         started        16 uche.exe 2 7->16         started        process5 process6 18 reg.exe 1 1 14->18         started        21 conhost.exe 14->21         started        23 AddInProcess32.exe 16->23         started        signatures7 37 Creates an autostart registry key pointing to binary in C:\Windows 18->37
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-31 06:23:06 UTC
AV detection:
34 of 48 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=764rj33mbqfsa57qdg7f6d6eq37wcgxwxjmsfo2ptjcok5lfw57a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'837 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200731-7ed2klc4xa/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e

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

z 992602250752df5087c5c3c17d690b73e368f336e77559a3cb102b8c80fcad47

AgentTesla

Executable exe ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e

(this sample)

  
Dropped by
MD5 495f346fbccd1bbd081a05e5f9a98717
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35824/
  
Dropped by
SHA256 992602250752df5087c5c3c17d690b73e368f336e77559a3cb102b8c80fcad47

Comments