MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21b92ed915dcf28376d4e057312cc44a76ca485282a06dbbe1a8f64f9a1112c8. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21b92ed915dcf28376d4e057312cc44a76ca485282a06dbbe1a8f64f9a1112c8
SHA3-384 hash: bd0baf5d54284a07ea72f59ca5aab0516ccd1f6453de28c157f3aa65a23e73914817ed8789f3382621e514c1351c09db
SHA1 hash: 7d92fe367f9867d85cd744e07d1e6c3e8bc1965e
MD5 hash: d4d2f5f56b37651f36a467599e4e5892
humanhash: sweet-massachusetts-gee-october
File name:doc202205100001883010001,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:943'104 bytes
First seen:2022-05-10 05:49:08 UTC
Last seen:2022-05-10 06:31:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ZsmuDfxt7J0hsu2LjyicbOnHgT/Sabkzl58MYge+S8TQoAUwL:Zs2hOLNJALtQzW8VTr
Threatray 16'774 similar samples on MalwareBazaar
TLSH T131159D1072C8EE99E42A52B1C935C4F00771BE49D6B6D70F29997D8E38B33836166F1B
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
doc202205100001883010001,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 05:51:07 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/652e62c9-8751-4c4d-94c1-23c46531a590

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.2222.23542.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe wacatac
Link:
https://www.filescan.io/uploads/6279fce8982f586844effd50/reports/ddae07db-f74b-44df-8dcf-43115c94eba5/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78d778b5-bc12-422f-8c77-09b1a3b0f766
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990720
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623216 Sample: doc202205100001883010001,pdf.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 8 other signatures 2->37 7 doc202205100001883010001,pdf.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\pjEgxzGUJxP.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp9F5C.tmp, XML 7->25 dropped 27 C:\...\doc202205100001883010001,pdf.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 2 other signatures 7->45 11 doc202205100001883010001,pdf.exe 15 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49775 TELEGRAMRU United Kingdom 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 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/21b92ed915dcf28376d4e057312cc44a76ca485282a06dbbe1a8f64f9a1112c8/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 05:50:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
13 of 26 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eg4s5wiv3tzig5wu4bltclgejj3muscsqkqg3o7bvd3e7gqrclea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c754a43b8ce4c593050f7be9a6a9d81226291f99f12e19a05c3abcbeed01b30
AgentTesla
149f005f1bf1a73b2bdc3cf829e6f143206c3e24cf1286292ff31858ceca3279
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3eb70bca52527d6d28883ad69fcd329841591062fa58bd2f57ec31d530aec533
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42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537
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46956dd9cd5e3f62c79127e5e8bcd3b420695a0112df256aa07364bc6a32e697
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47579cb6053a57b658f297c6fe70d2bbe8d5693e0d4d8c475d018a47b4113e62
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5a6ef999cfca382c8c92a11d2100fe5d9866402262ef6ddbacafda527dfb0904
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86e679c0c0bcd5e79208afed4ec26fe6372943fa8e2ff519da34bfe7b0e72c26
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b1a00f42a2ebef3749c44d4e8fb79eeff23949c4f4f4926b2437f4e02198d74f
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ccaa83564fadff981961b0098a3cdeccc8f46800892fe00110b40562506a7e1b
AgentTesla
+ 16'764 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220510-gjkwpsacdj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5310370668:AAEdB2nfvvFj53YoaxJ-AleA2m93WUxxyM0/sendDocument
Unpacked files
SH256 hash:
9733423b2797d5e1ffc16fc5c1df522b709ad6ba25714021456441fe7bdd7ae8
MD5 hash:
7322ae66dce19df036432b5d6afe9297
SHA1 hash:
ef7a7cac65857c565482b6e09f6740efd14564ab
Link:
https://www.unpac.me/results/6c2a721d-92dd-486e-88bf-8f850530c872/
SH256 hash:
0cdb66ee6442d7989b4f951ba46c1badfe8e9a45c66d246753c233d19f93ebc1
MD5 hash:
3199b910a65e384e38a09f1d1c08e7e3
SHA1 hash:
c99ad4f639be47ebc71eb7519646e3b62f96e48c
Link:
https://www.unpac.me/results/6c2a721d-92dd-486e-88bf-8f850530c872/
SH256 hash:
92aecda9de647f6900a1e5ba6da70c8bb9037b6c1fd5d385cbb0a49a50ecdbe6
MD5 hash:
1aebf592ce3afdbafc996eb93ceeaadf
SHA1 hash:
2e139b825225c9fc40e645bbbf8b9ca7c311ec1f
Link:
https://www.unpac.me/results/6c2a721d-92dd-486e-88bf-8f850530c872/
SH256 hash:
b8982205a8725662985d3e65cb50b7f42e926fab0401a6920d0cf5abf90aa713
MD5 hash:
6851779732b0f429a5dcfa1f44314a4b
SHA1 hash:
050a1f7918c3b35f663000595e4e3bd188cdfc28
Link:
https://www.unpac.me/results/6c2a721d-92dd-486e-88bf-8f850530c872/
SH256 hash:
21b92ed915dcf28376d4e057312cc44a76ca485282a06dbbe1a8f64f9a1112c8
MD5 hash:
d4d2f5f56b37651f36a467599e4e5892
SHA1 hash:
7d92fe367f9867d85cd744e07d1e6c3e8bc1965e
Link:
https://www.unpac.me/results/6c2a721d-92dd-486e-88bf-8f850530c872/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21b92ed915dc/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/21b92ed915dcf28376d4e057312cc44a76ca485282a06dbbe1a8f64f9a1112c8

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 21b92ed915dcf28376d4e057312cc44a76ca485282a06dbbe1a8f64f9a1112c8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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