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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfe1e40c9ca65dbaee9d648bb9f577e1791d4ab8feeff95758e7604bbcfbe639. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfe1e40c9ca65dbaee9d648bb9f577e1791d4ab8feeff95758e7604bbcfbe639
SHA3-384 hash: e1df3da46045a24f9088303ee297799db5f67cefc0398b2a19720dd470d192c6259210a8044a56d8defb46dd33cda264
SHA1 hash: 3e5fc4d8d7d7538c830dc17dd49d89c87a4f69b8
MD5 hash: 2398469593c9dec9561a556b30f6d63a
humanhash: johnny-fish-cold-aspen
File name:411.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:386'048 bytes
First seen:2020-11-17 06:50:05 UTC
Last seen:2020-11-19 14:43:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'234 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger)
ssdeep 6144:V8rDbcjb4X7L78Fri/R4WZqK9HsXPdwVuJDsa88fs8xCxa/XNA4p:V8rEjbUL/RNQK9HOPqE518us8Exarp
Threatray 464 similar samples on MalwareBazaar
TLSH 49849EB27D92586FCA6B077541B985C1FAB616C73FA08B0D71AE430C0F11A2BEB53257
Reporter fabjer
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Fareit.fc.21916.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/539032
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 318609 Sample: 411.exe Startdate: 17/11/2020 Architecture: WINDOWS Score: 96 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 Sigma detected: Add file from suspicious location to autostart registry 2->47 49 2 other signatures 2->49 7 411.exe 8 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\yihg.exe, PE32 7->27 dropped 29 C:\Users\user\...\yihg.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\411.exe.log, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\Temp\...\e.dll, PE32 7->33 dropped 53 Tries to detect virtualization through RDTSC time measurements 7->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->55 15 cmd.exe 1 7->15         started        17 yihg.exe 2 7->17         started        20 yihg.exe 3 11->20         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        35 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->35 37 Multi AV Scanner detection for dropped file 20->37 39 Machine Learning detection for dropped file 20->39 41 Tries to detect virtualization through RDTSC time measurements 20->41 process8 signatures9 51 Creates an autostart registry key pointing to binary in C:\Windows 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfe1e40c9ca65dbaee9d648bb9f577e1791d4ab8feeff95758e7604bbcfbe639/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 03:40:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 28 (89.29%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7q6ide4uzo3v3u5msf3t5lx4f4r2svy73x7sv2y45qexph34y4q._file
Verdict:
unknown
Similar samples:
59e6e153c09dcb84b6b55416a9168208c49d376eb9ce8b7b7d27b81937128a3c
AgentTesla
74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf
AgentTesla
824db89a974de2fdd2bab3b28897ebe67bc4efc7cd2dea9245ac4317c35cb909
AgentTesla
8c6c41d8e0f478b1be11b938bf83066e8cf7a8b294c18c91e0b2570f464bc6d2
AgentTesla
91de70857ce9dbf596a67b2abad7552a467fcc2a155d349799261fb8585e6c18
AgentTesla
95ccbdefafb7f4b5e2a505d3681803940a8fa7a5cae06ee56036009b4253c5ac
AgentTesla
b511fbc6adf655af3e693e7a7081e62f26eacd616273f625a8e9c3568420e1fc
AgentTesla
b938308e908f642f82eb2cfd683a86fcfb09d525e865810dd5af635cfabd315f
AgentTesla
e812ca08bf2f1a1ea83facfaab349a8fa9d9fd88607d2b61a81423bb3f992175
AgentTesla
ed3d326f9c93f11a017b07494a12af448c1469f35c44da1817fcf464deed0519
AgentTesla
+ 454 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201117-35wcg6sxa2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
d235ab2f8da688f944c49c5d4c837bf77e4cfcd245e7630b936bb82a706b2721
MD5 hash:
edd66d08b7f1bef7a96493554fc0195d
SHA1 hash:
2400d1b60a7c17514dd8ec70214ba3118558f36e
Link:
https://www.unpac.me/results/4f4b4674-4ed1-43e9-a53f-e28715a5a32b/
SH256 hash:
c404fd3eed8ceb497d6aced433f63f39c344a096705c87eedb5e008b9b52f7dc
MD5 hash:
d9265d77f259afdbf637d89e031b6a50
SHA1 hash:
3e8ec3acfcdf9ee939f6fe0e2282d2a6319c65f8
Link:
https://www.unpac.me/results/4f4b4674-4ed1-43e9-a53f-e28715a5a32b/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/4f4b4674-4ed1-43e9-a53f-e28715a5a32b/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
bfe1e40c9ca65dbaee9d648bb9f577e1791d4ab8feeff95758e7604bbcfbe639
MD5 hash:
2398469593c9dec9561a556b30f6d63a
SHA1 hash:
3e5fc4d8d7d7538c830dc17dd49d89c87a4f69b8
Link:
https://www.unpac.me/results/4f4b4674-4ed1-43e9-a53f-e28715a5a32b/
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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

Excel file xls e3af0d46ee8982cd06d707feffc174639b8ac1bc97b2e408f23c65a47fde41bd

AgentTesla

Executable exe bfe1e40c9ca65dbaee9d648bb9f577e1791d4ab8feeff95758e7604bbcfbe639

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/825565/
  
Dropped by
SHA256 e3af0d46ee8982cd06d707feffc174639b8ac1bc97b2e408f23c65a47fde41bd
  
Delivery method
Distributed via e-mail attachment

Comments


Avatar
fab jer commented on 2020-11-17 07:32:59 UTC

I somehow messed up with uploading the xls, so there is the link to app.any.run in case somebody wants the sample: https://app.any.run/tasks/43e79a14-8788-40d8-a666-af1bef01b890