MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc7b9feef27af7635ac6c4bf9073a4330a22de2ba8a4219d30cfc1ea097175e0. 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: dc7b9feef27af7635ac6c4bf9073a4330a22de2ba8a4219d30cfc1ea097175e0
SHA3-384 hash: 0eeacf0871889e9c89731928c9db0513aafb7305231573ab5f2e3331ea4edf7111021b5d6bdd7cf26018bea77f2cfdcc
SHA1 hash: 6eec49cd1dfc3d9d68704e82e9486321226ac9fa
MD5 hash: ec9931b96d1ae6c81f023bd4d696bbf6
humanhash: skylark-moon-july-echo
File name:URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:727'040 bytes
First seen:2020-08-19 14:08:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:5+/T8Pty8wOfQ77NBYg6FEI9oND8AJiz7QK/jtcfh3auWZD:wWLfQ77NtpAuQbvzLIquWZD
Threatray 9'406 similar samples on MalwareBazaar
TLSH AEF4012A22C56B5FC47A18385E51DB0D02F69C912061D6C5BDCB317AAEBE7CFDB1024D
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: alnassar.com.sa
Sending IP: 162.244.93.110
From: LEE JUN WOO <angalos@hec-kr.com>
Reply-To: LEE JUN WOO <angalos@hec-kr.com>
Subject: URGENT [HYUNDAI MOTOR CCPP] DC & UPS SYSTEM / RFQ Issuance / Cut-off date : 2020-08-25
Attachment: URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.IMG (contains "URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48605/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by 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/438390
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271664 Sample: URGENT UHP RFQ E010 RFQ FOR... Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 9 other signatures 2->37 7 URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\eZdgCRyAeSYW.exe, PE32 7->19 dropped 21 C:\Users\...\eZdgCRyAeSYW.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp3FA5.tmp, XML 7->23 dropped 25 URGENT UHP RFQ E01...T 25TH 2020.exe.log, ASCII 7->25 dropped 39 Injects a PE file into a foreign processes 7->39 11 URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.seldon-petroleum.com 11->27 29 us2.smtp.mailhostbox.com 208.91.199.223, 49748, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->41 43 Tries to steal Mail credentials (via file access) 11->43 45 Tries to harvest and steal ftp login credentials 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dc7b9feef27af7635ac6c4bf9073a4330a22de2ba8a4219d30cfc1ea097175e0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 14:10:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3r5z73xspl3wgwwgys7za45egmfcfxrlvcscdhjqz7a6uclroxqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'396 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-vbrz66n37e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dc7b9feef27af7635ac6c4bf9073a4330a22de2ba8a4219d30cfc1ea097175e0

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

img 48dadf71f8aebae8db2353d9e43e632206b89f232cfbf616484e3409afe8c15d

AgentTesla

Executable exe dc7b9feef27af7635ac6c4bf9073a4330a22de2ba8a4219d30cfc1ea097175e0

(this sample)

  
Dropped by
MD5 a4a367659bba0573c4b09a7bf8c55aa7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48605/
  
Dropped by
SHA256 48dadf71f8aebae8db2353d9e43e632206b89f232cfbf616484e3409afe8c15d

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