MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8521dfd606cbbdb72c307cafd49fbbe179e5e4bb1fed33fde4f767cd87963296. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8521dfd606cbbdb72c307cafd49fbbe179e5e4bb1fed33fde4f767cd87963296
SHA3-384 hash: 63cc01b375e5f18d50ba6e809d8ba36b003ff8a660b56333745713631f293595cd8ee7e1f024eece55c610ec28ddb161
SHA1 hash: d1d1e3d128dc159b3c797f0c67ee1a00d7157b01
MD5 hash: a2f5276117828f31738e6b118da6ab0e
humanhash: jig-thirteen-zulu-aspen
File name:30072021134626.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'362'432 bytes
First seen:2021-07-30 08:39:58 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:HpdS/d3IYdkuK82V8OEBXFQok/Qs1DHhkm9mwRGPoN7vdiTbnFM:A9J88DWT1D6m9m/PoiM
Threatray 7'613 similar samples on MalwareBazaar
TLSH T11D55013689CDDBEACC9C03750B4C02A43EF1945AB1B0E5B53E4A87B1F5C4E26E5B9742
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
585
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
30072021134626.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-30 08:42:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/373ba38e-a3a7-41a7-96a9-c54c8d7fd19f

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/175245/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.967-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/fd1ed349-4ef0-48c6-b214-d8ecbe6edf2a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/824375
Signature
.NET source code contains very large array initializations
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
Multi AV Scanner detection for dropped 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 456783 Sample: 30072021134626.exe Startdate: 30/07/2021 Architecture: WINDOWS Score: 100 28 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->28 30 Found malware configuration 2->30 32 Yara detected AgentTesla 2->32 34 3 other signatures 2->34 6 30072021134626.exe 3 2->6         started        10 kSrYER.exe 3 2->10         started        12 kSrYER.exe 2 2->12         started        process3 file4 22 C:\Users\user\...\30072021134626.exe.log, ASCII 6->22 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->38 14 30072021134626.exe 2 5 6->14         started        40 Multi AV Scanner detection for dropped file 10->40 42 Machine Learning detection for dropped file 10->42 18 kSrYER.exe 2 10->18         started        20 kSrYER.exe 10->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...\kSrYER.exe, PE32 14->24 dropped 26 C:\Users\user\...\kSrYER.exe:Zone.Identifier, ASCII 14->26 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->44 46 Tries to steal Mail credentials (via file access) 14->46 48 Tries to harvest and steal ftp login credentials 14->48 50 2 other signatures 14->50 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8521dfd606cbbdb72c307cafd49fbbe179e5e4bb1fed33fde4f767cd87963296/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-30 08:40:06 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=quq57vqgzo63olbqpsx5jh534f46lzf3d7wth7pe65t43b4wgkla._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06727ec8f5dc2c12fbfde5df6299c715c3143a7b3c3a8ad5e19ffa317ceb059a
AgentTesla
11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6
AgentTesla
188bcacd74aabebec45f6a24175295ed574de65516021c9f0739dff3e9666a6f
AgentTesla
560ab34d6dd4ab84498ea6abfa7be342652f88c63ee0a8a62ecb110f791c5bfe
AgentTesla
579ce1cdef20d3892cec5362aaf049ef10086e3c638a756fab24f1f32ed37161
AgentTesla
82e86d82b4d3492465f83d7c46a834488b45ee7de90200c141f54bca128c508d
AgentTesla
+ 7'603 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/210730-w6s41zmzr2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
CustAttr .NET packer
AgentTesla
Unpacked files
SH256 hash:
04306afb1c1fad76ea408c28501083d94164c7d80ca768035fbbd7dd4adcc7d2
MD5 hash:
1bbc0fa970cc0fc2c926213ae3ab55db
SHA1 hash:
e3a41f04bfcd25d393df7942f866c28986bf1947
Link:
https://www.unpac.me/results/5c4470f7-4105-4d81-aa0c-119482a86149/
SH256 hash:
4c465d52b76de5e384cfe64e2736fc6ca3e659b413f356d811e494c9a5c965e8
MD5 hash:
ef20e5a06c139574503b8a0d1dd62ae1
SHA1 hash:
b6a15bf74d13815e7952a1df604fd8d6a69dce1c
Link:
https://www.unpac.me/results/5c4470f7-4105-4d81-aa0c-119482a86149/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/5c4470f7-4105-4d81-aa0c-119482a86149/
SH256 hash:
8521dfd606cbbdb72c307cafd49fbbe179e5e4bb1fed33fde4f767cd87963296
MD5 hash:
a2f5276117828f31738e6b118da6ab0e
SHA1 hash:
d1d1e3d128dc159b3c797f0c67ee1a00d7157b01
Link:
https://www.unpac.me/results/5c4470f7-4105-4d81-aa0c-119482a86149/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8521dfd606cb/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/8521dfd606cbbdb72c307cafd49fbbe179e5e4bb1fed33fde4f767cd87963296

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 8521dfd606cbbdb72c307cafd49fbbe179e5e4bb1fed33fde4f767cd87963296

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/175245/

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