MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25c8a17c03bd4072384bd1320d9e46014ad9e24a4d697a9401b9d5f988ea0f1a. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25c8a17c03bd4072384bd1320d9e46014ad9e24a4d697a9401b9d5f988ea0f1a
SHA3-384 hash: ad4f8db1a98330659487d30fafd0bfa6c35c677347ea1eaee15ad811125c5d1c438c4ac1c8f51986c2efcadd527d2516
SHA1 hash: fe42934520c62c263120d58b85960433361dbf00
MD5 hash: 2cf0ac9cf1356eae4e634a72b546a076
humanhash: romeo-fillet-washington-twenty
File name:RFQ_99705546,99805546_Mark Cansick.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:440'832 bytes
First seen:2021-10-07 08:17:03 UTC
Last seen:2021-10-07 13:47:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Np9qZFDQ+3HwO6wr/deV05Q81dlBlhdQbj65l80sdOCyXQ7oudqBookEEoSUQ:Wko6mIMZ1dPdQX6QyXMivLUF
Threatray 10'968 similar samples on MalwareBazaar
TLSH T11C94015423778709CD7C87F5682867914734D126215EC3B89AAAF0FC7EA737C8AF8246
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_99705546,99805546_Mark Cansick.exe
Verdict:
Malicious activity
Analysis date:
2021-10-07 08:21:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8d6062fb-1b9c-4eac-bb01-b31158c642d5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/195699/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615ead01b95458900cddeeb6/reports/7ed5e4ff-c2eb-4050-b123-6800c0e70d19/overview
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866140
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 498570 Sample: RFQ_99705546,99805546_Mark ... Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 10 other signatures 2->41 7 RFQ_99705546,99805546_Mark Cansick.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\FJnbkZpVwvgxZ.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp96FB.tmp, XML 7->25 dropped 27 RFQ_99705546,99805...ark Cansick.exe.log, ASCII 7->27 dropped 43 Adds a directory exclusion to Windows Defender 7->43 45 Injects a PE file into a foreign processes 7->45 11 RFQ_99705546,99805546_Mark Cansick.exe 6 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 208.91.198.143, 49826, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 31 smtp.runace-tw.com 11->31 33 us2.smtp.mailhostbox.com 208.91.199.225, 49824, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->33 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Moves itself to temp directory 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 3 other signatures 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25c8a17c03bd4072384bd1320d9e46014ad9e24a4d697a9401b9d5f988ea0f1a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 08:17:07 UTC
AV detection:
8 of 45 (17.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=exekc7adxvaheocl2eza3hsgaffntyskjvuxvfabxhk7tchkb4na._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'958 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211007-j6pvaaccfn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
60c390b5b59b35c277bd063a917c1224ed8229624f6c2d0957894b24bde47844
MD5 hash:
7b9b01e0ff7949ed67a308fa68f3e86f
SHA1 hash:
98a36f83b82256b1c5f9f33f731ff7d4f15d254e
Link:
https://www.unpac.me/results/dabfdfb5-81a0-48b4-b245-66caca3a931f/
SH256 hash:
360784fe9f9c692b2c51fd25ee1eb04219e55bdbd29f86a8adc226094ba0e55d
MD5 hash:
8d341b66181eb988e8e80963ae99b787
SHA1 hash:
84839a10a76f0eecae2007d00c84d3b51f8004e8
Link:
https://www.unpac.me/results/dabfdfb5-81a0-48b4-b245-66caca3a931f/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/dabfdfb5-81a0-48b4-b245-66caca3a931f/
SH256 hash:
25c8a17c03bd4072384bd1320d9e46014ad9e24a4d697a9401b9d5f988ea0f1a
MD5 hash:
2cf0ac9cf1356eae4e634a72b546a076
SHA1 hash:
fe42934520c62c263120d58b85960433361dbf00
Link:
https://www.unpac.me/results/dabfdfb5-81a0-48b4-b245-66caca3a931f/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/25c8a17c03bd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/25c8a17c03bd4072384bd1320d9e46014ad9e24a4d697a9401b9d5f988ea0f1a

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 25c8a17c03bd4072384bd1320d9e46014ad9e24a4d697a9401b9d5f988ea0f1a

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/195699/

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