MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb800fa4c784f7a5c222ba238bba471b626e75c721cee3bc5fc314364600e70a. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb800fa4c784f7a5c222ba238bba471b626e75c721cee3bc5fc314364600e70a
SHA3-384 hash: 78c9d58dba5bb34da204df9fbff15aafa953dde465245771ab559c39f9b161e24235c005397905954a6fbe9e2c5a5bba
SHA1 hash: d9b1cf27ac121015e41d86fe9e2711f575146dd7
MD5 hash: 0c4562486b674bffb0165b9d5215837c
humanhash: september-berlin-autumn-beryllium
File name:0c4562486b674bffb0165b9d5215837c.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:882'176 bytes
First seen:2021-08-06 06:35:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:KlWdbIx9C/lzOmE/5NogBbYHTLU//MNj9:K4/l9E/ogyTw/0h
Threatray 8'254 similar samples on MalwareBazaar
TLSH T1A615E115B245C951D3EB6A36CCDF40084BFCF9413A63DF277C8A326D4E823A6A9465CE
dhash icon 10f0c4c8c8c4f010 (26 x AgentTesla, 18 x Smoke Loader, 10 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0c4562486b674bffb0165b9d5215837c.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 06:40:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/73475788-1259-40a0-8e89-2c4c597c5238

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176911/
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
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/313f4ed3-77c1-45f7-921b-c36a93f06547
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828119
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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: 460550 Sample: sJujtfAFby.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 61 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected AgentTesla 2->65 67 6 other signatures 2->67 7 sJujtfAFby.exe 7 2->7         started        11 MLdAu.exe 5 2->11         started        13 MLdAu.exe 2->13         started        process3 file4 41 C:\Users\user\AppData\...\iXBHPxHgFS.exe, PE32 7->41 dropped 43 C:\Users\...\iXBHPxHgFS.exe:Zone.Identifier, ASCII 7->43 dropped 45 C:\Users\user\AppData\Local\...\tmp9F00.tmp, XML 7->45 dropped 47 C:\Users\user\AppData\...\sJujtfAFby.exe.log, ASCII 7->47 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 7->73 15 sJujtfAFby.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 sJujtfAFby.exe 7->21         started        23 sJujtfAFby.exe 7->23         started        75 Machine Learning detection for dropped file 11->75 77 Injects a PE file into a foreign processes 11->77 25 schtasks.exe 1 11->25         started        27 MLdAu.exe 2 11->27         started        29 MLdAu.exe 11->29         started        31 schtasks.exe 13->31         started        33 MLdAu.exe 13->33         started        signatures5 process6 file7 49 C:\Users\user\AppData\Roaming\...\MLdAu.exe, PE32 15->49 dropped 51 C:\Users\user\...\MLdAu.exe:Zone.Identifier, ASCII 15->51 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->53 55 Tries to steal Mail credentials (via file access) 15->55 57 Tries to harvest and steal ftp login credentials 15->57 59 2 other signatures 15->59 35 conhost.exe 19->35         started        37 conhost.exe 25->37         started        39 conhost.exe 31->39         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb800fa4c784f7a5c222ba238bba471b626e75c721cee3bc5fc314364600e70a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-06 06:36:09 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7oaa7jghqt32lqrcxiryxoshdnrg45ohehhohpc7ymkdmrqa44fa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ac9a62fee3468f5e7af72d95bfc56eb7c4bcc5e05af83333eb6db747e8e80bf
AgentTesla
3409c1f1c5f2ea8d70638e1719ffe45ce11ff3a4068e180b581ba4befca4d50d
AgentTesla
3686ddb8d635e49a9b4e396973aeca3f385a009e3f0265b6679db215776e2c58
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398970d0c4754fa90d6f04c15fbf6d0bb88fb05d63dc4d7b919255ed774e3899
AgentTesla
502b8c6aac5f16a7cf050c80da53960d264501951d3da502780fc05c507984dc
AgentTesla
723119cd3689ab3144bd1beaf91b93d11c47a0d2ac504d0e11569540b89ab3d6
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76938d4e2c8778bce2177462dd2875d041e69e43036c0b8e3c2f8b6e650232dd
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da2583a529827b15b05b18370fe5f8bab878fdd0c78e4fde91e2e5c5b476930f
AgentTesla
+ 8'244 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210806-wmjkxbdzne/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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
Unpacked files
SH256 hash:
6ec662b05ab5fe9b533addc4d9836181b2f42887e64f80c5dc165e53f862b75a
MD5 hash:
4a73836fb99d968aeb5ea16cdb4224ee
SHA1 hash:
ea0773906298969447dc88e79d2d289080d795d5
Link:
https://www.unpac.me/results/3f12dbee-ca14-4902-8c89-9f5eebfaaa7a/
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
Link:
https://www.unpac.me/results/3f12dbee-ca14-4902-8c89-9f5eebfaaa7a/
SH256 hash:
3c9f552765104183e47e238fdae5ff82210b46af1f9b511ee8aa9e41f19b4077
MD5 hash:
7aed072fc2b30310efc248a2bafc7dda
SHA1 hash:
9e956bce77fc925854d6800b6fb4647dfb813e26
Link:
https://www.unpac.me/results/3f12dbee-ca14-4902-8c89-9f5eebfaaa7a/
SH256 hash:
fb800fa4c784f7a5c222ba238bba471b626e75c721cee3bc5fc314364600e70a
MD5 hash:
0c4562486b674bffb0165b9d5215837c
SHA1 hash:
d9b1cf27ac121015e41d86fe9e2711f575146dd7
Link:
https://www.unpac.me/results/3f12dbee-ca14-4902-8c89-9f5eebfaaa7a/
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/fb800fa4c784f7a5c222ba238bba471b626e75c721cee3bc5fc314364600e70a

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.

Web download

AgentTesla

Executable exe fb800fa4c784f7a5c222ba238bba471b626e75c721cee3bc5fc314364600e70a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1430278/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/176911/

Comments