MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb
SHA3-384 hash: 595d902c217afa4376c2c0f74384de18c8e271c5d7ffb1f2132dd096f0bd3175e58d0ff9a1d97208cad9482ececc96a9
SHA1 hash: f9635ae2cbc1f389fd507159158a81e42dbee13e
MD5 hash: 3e825c82323f71df05b323b0760e2697
humanhash: wyoming-lion-california-low
File name:Tax_Notification_6900449581.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:4'360'704 bytes
First seen:2020-07-20 07:40:07 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 98304:6y2MIynQjgD11P/maPpEOu4kS4lWEIORDlk:XBnQje11H7PiU/uIcDW
Threatray 10'646 similar samples on MalwareBazaar
TLSH 5F16026E26D2101BD53D45B18854AED026B0ECA53F11CB1E7DC2B9CC6F333E779226A6
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: [104.36.229.108]
Sending IP: 104.36.229.108
From: Jaejoon Cho <jaejoon.cho@dhl.com>
Subject: [DHL] Notice on Customs Payment (6900449581)
Attachment: Tax_Notification_6900449581.pdf.zip (contains "Tax_Notification_6900449581.pdf.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28570/
Detection(s):
SecuriteInfo.com.LuheFihaA.13735.10335.UNOFFICIAL
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% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/390978
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247610 Sample: Tax_Notification_6900449581... Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 34 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 5 other signatures 2->40 7 Tax_Notification_6900449581.pdf.exe 5 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 26 C:\Users\user\AppData\...\trtsytyerwcgjt.exe, PE32 7->26 dropped 28 C:\...\trtsytyerwcgjt.exe:Zone.Identifier, ASCII 7->28 dropped 30 Tax_Notification_6900449581.pdf.exe.log, ASCII 7->30 dropped 32 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->32 dropped 14 cmd.exe 1 7->14         started        16 trtsytyerwcgjt.exe 7->16         started        18 trtsytyerwcgjt.exe 1 10->18         started        process5 signatures6 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        42 Multi AV Scanner detection for dropped file 18->42 44 Machine Learning detection for dropped file 18->44 process7 signatures8 46 Creates an autostart registry key pointing to binary in C:\Windows 21->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 07:42:08 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=57u346fi3jcayv3bmlel2veys4xmme2lij3mawwlni5qmcsaco5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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cea8cae444dd5dadf01c31def4681b170907b97e0cfb468a9ff317ce7ae736a3
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d736600bb69d2649cb7d8e7df884063266fb9d0ae97e284b038c80563e7df645
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e1edaeafb526cd694a3f293cf47ad4bdb832cc0c6d697a1f386d0f9b63dcd152
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e42fe9ce657b9eedca1497cbcecfb3a6b7ed453ff5dde6c4cc3f06cdf7b59b00
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f3635e26f70dfb1240a5f8c7b09ea634ee9e5b6692cb73829b0124c0b2505281
AgentTesla
+ 10'636 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200720-1gstnxhlza/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
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/efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb

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 ce5f574b8e64d20e222142b1b0ef9c14f6713087a0d51bf89a061fc0c771383c

AgentTesla

Executable exe efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb

(this sample)

  
Dropped by
MD5 8d20d087c325830bf06e0148cba737e6
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ce5f574b8e64d20e222142b1b0ef9c14f6713087a0d51bf89a061fc0c771383c
Cape
Cape
https://www.capesandbox.com/analysis/28570/

Comments