MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ccd73a94d46ffb3f88ab74256197c9cb5e15d87f017b5752ee557985138c1b4. 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: 0ccd73a94d46ffb3f88ab74256197c9cb5e15d87f017b5752ee557985138c1b4
SHA3-384 hash: e05f6df2da2f13227535b43a9961d64d6c3836cbafcac5694a8369f9cbee8ec799b869fb28bff5e5344e4899694e5ca6
SHA1 hash: dd02b4a3c4e10fe21d4276e5d1e37eeb7ba38e3b
MD5 hash: 02b4cd91c80eb6395d1329beb9e20d15
humanhash: helium-cola-oven-blue
File name:BANK DETAILS.xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:722'432 bytes
First seen:2020-08-05 17:11:47 UTC
Last seen:2020-08-07 15:34:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:yP3S39nYwCwJ4D9n1xW0ZHXHTSKOUzgrpiAaIlkcMMMMMMMMMMMMMMMMMMMMMMMp:Dl3CweDLxhZn8QAaEkcMMMMMMMMMMMMk
Threatray 12'058 similar samples on MalwareBazaar
TLSH F2E4BE507788ABA2CDF84EB66A1EFC304B657CE9E114E26426D93DEF35F6BB10140193
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: coscosh.com
Sending IP: 103.99.1.143
From: dept<dept@coscosh.com>
Subject: RE: PAYMENT TO BANK DETAILS (CONFIRM BANK DETAILS)
Attachment: BANK DETAILS.xls.rar (contains "BANK DETAILS.xls.exe")

AgentTesla SMTP exfil server:
mail.blc.com.np:587

Intelligence

File Origin
# of uploads :
6
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39864/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.48446.26398.4210.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/411718
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258147 Sample: BANK DETAILS.xls.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 8 other signatures 2->55 8 BANK DETAILS.xls.exe 7 2->8         started        12 AvWCA.exe 2 2->12         started        14 AvWCA.exe 1 2->14         started        process3 file4 37 C:\Users\user\AppData\Roaming\iaXmbTAUg.exe, PE32 8->37 dropped 39 C:\Users\...\iaXmbTAUg.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmpB9B3.tmp, XML 8->41 dropped 43 C:\Users\user\...\BANK DETAILS.xls.exe.log, ASCII 8->43 dropped 65 Writes to foreign memory regions 8->65 67 Injects a PE file into a foreign processes 8->67 16 RegSvcs.exe 2 4 8->16         started        21 schtasks.exe 1 8->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        signatures5 process6 dnsIp7 45 cpanel-02.wlink.com.np 202.166.193.69, 49716, 587 WLINK-NEPAL-AS-APWorldLinkCommunicationsPvtLtdNP Nepal 16->45 47 mail.blc.com.np 16->47 33 C:\Users\user\AppData\Roaming\...\AvWCA.exe, PE32 16->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 16->35 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->59 61 Tries to steal Mail credentials (via file access) 16->61 63 5 other signatures 16->63 27 reg.exe 1 16->27         started        29 conhost.exe 21->29         started        file8 signatures9 process10 process11 31 conhost.exe 27->31         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0ccd73a94d46ffb3f88ab74256197c9cb5e15d87f017b5752ee557985138c1b4/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 17:13:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=btgxhkkni373h6ekw5bfmgl4ts26cxmh6al3k5jo4vlzqujyyg2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 12'048 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200805-qn125a2by2/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/0ccd73a94d46ffb3f88ab74256197c9cb5e15d87f017b5752ee557985138c1b4

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

rar 865e6ae9ac798aaf8a2ce06b3abebe01c17b1901175ad53b7f4cfc231d5eb8d0

AgentTesla

Executable exe 0ccd73a94d46ffb3f88ab74256197c9cb5e15d87f017b5752ee557985138c1b4

(this sample)

  
Dropped by
MD5 d5604ee17780836f4b98d828b95eab20
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39864/
  
Dropped by
SHA256 865e6ae9ac798aaf8a2ce06b3abebe01c17b1901175ad53b7f4cfc231d5eb8d0

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