MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6479c43a2b68fc1d5724219f74b1661624c2855dd5e6ea6842888b82f9b273a. 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: a6479c43a2b68fc1d5724219f74b1661624c2855dd5e6ea6842888b82f9b273a
SHA3-384 hash: 35db1b2f1106eabd1cb33dc03a2df6342971d15646be8cc40b46e44dddd788fbf6133ddfae106caa730867fc3ad3f15d
SHA1 hash: ee49f07d13047638ce398bb7a37544959f4812c7
MD5 hash: 54e0811f877906808fecb017770324c1
humanhash: indigo-earth-blue-double
File name:BFL202112.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'247'232 bytes
First seen:2021-03-09 14:32:16 UTC
Last seen:2021-03-09 17:17:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:V/EXXilAdwJERtbEhWOxeoSWR0WDGCsHOj206I2FS+qQMNIYnC4f6GW0zoyQ1JSP:xmSaEn0MsHO2F22N4f/hMyoSMkutmDL
Threatray 15 similar samples on MalwareBazaar
TLSH 69453B0263A82F56F07C873956610944D7F3AD46D330E69DBEAD65CF4B63F908B92B02
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BFL202112.exe
Verdict:
No threats detected
Analysis date:
2021-03-09 13:21:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/75a0946d-7649-4142-8008-404cd956b5c3

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/123255/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.45867781.4070.18113.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/632968
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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: 365451 Sample: BFL202112.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 7 other signatures 2->63 7 BFL202112.exe 7 2->7         started        11 hZpzJs.exe 5 2->11         started        13 hZpzJs.exe 2->13         started        process3 file4 37 C:\Users\user\AppData\...\wpNyggvjijg.exe, PE32 7->37 dropped 39 C:\Users\...\wpNyggvjijg.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp314C.tmp, XML 7->41 dropped 43 C:\Users\user\AppData\...\BFL202112.exe.log, ASCII 7->43 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->67 15 BFL202112.exe 17 5 7->15         started        19 schtasks.exe 1 7->19         started        21 BFL202112.exe 7->21         started        69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 23 schtasks.exe 1 11->23         started        25 hZpzJs.exe 2 11->25         started        27 schtasks.exe 13->27         started        29 hZpzJs.exe 13->29         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\...\hZpzJs.exe, PE32 15->45 dropped 47 C:\Users\user\...\hZpzJs.exe:Zone.Identifier, ASCII 15->47 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->49 51 Moves itself to temp directory 15->51 53 Tries to steal Mail credentials (via file access) 15->53 55 3 other signatures 15->55 31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        signatures8 process9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-09 08:47:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
91
AV detection:
25 of 47 (53.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzdzyq5cw2h4dvlsiim7osywmfreykcv3vpg5juefcelql43e45a._file
Verdict:
unknown
Similar samples:
1b2c524bb0fa98da137dea1c52082fb9271608892bf00bd1f8abb71492af2671
AgentTesla
4421a7b2ad8cc79ee2a0065b9e33d762078c866f448f521fce325c5999dcee97
AgentTesla
50ae9a2c8f31b9a9202a1094d428bd795097290960a0be89f1a4e7f2daa94afe
AgentTesla
59ae886db69fa1872a483819cf552630f6a454afe2b81fb48cb5012db8e67797
AgentTesla
75b59f0fab65f85418dbdbfe3204ef57300afb0ac3ae1ebbc916a0f146dd1958
AgentTesla
7f981b1522382f63b0cfafea746c5a12e904f3fa32b8ddd3028eb8963f1b5384
AgentTesla
abb153b63981c70af34e2aaaf02cc0e98818153738e7c090f29705a984400fe8
AgentTesla
ac510fe7d59ec0a730090c49465a16176547c16cd318f302bb4f26cbfb5f61e8
AgentTesla
b1ba96e47b4b1982648f7da4f27b91e755d3759448fb476f611dba3192f7b3da
AgentTesla
cc9e81d4ffa806c20d8c0a87ecbc0524dfcda0e60f7cdcb6d9ceb2f0ca10d2e5
AgentTesla
+ 5 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/210309-4zsska565x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/e8904839-9f47-4cef-8dcd-c3386b9e0ead/
SH256 hash:
a6479c43a2b68fc1d5724219f74b1661624c2855dd5e6ea6842888b82f9b273a
MD5 hash:
54e0811f877906808fecb017770324c1
SHA1 hash:
ee49f07d13047638ce398bb7a37544959f4812c7
Link:
https://www.unpac.me/results/e8904839-9f47-4cef-8dcd-c3386b9e0ead/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a6479c43a2b68fc1d5724219f74b1661624c2855dd5e6ea6842888b82f9b273a

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/123255/

Comments