MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6541f542aee46042906a0cddb1ef3e4fdf3cae69a37c8011bb0c4fce27d6693. 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: a6541f542aee46042906a0cddb1ef3e4fdf3cae69a37c8011bb0c4fce27d6693
SHA3-384 hash: f1b55c28424c1e95b9c8eaacf7db421319507c3a07304186fc4a93f8322c3ade8e6968af904ebbb82c717b062c74e05a
SHA1 hash: fedaa06b74907d71b567ff098f4a97258dc73509
MD5 hash: 9aced2be886174e3c7a6fa2f2bd0243f
humanhash: enemy-mockingbird-fish-wolfram
File name:9aced2be886174e3c7a6fa2f2bd0243f.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'054'720 bytes
First seen:2022-09-15 07:45:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:NMmBV7uikFgsHSEJmITKusnjeFUwG8fyN9gshRzE1ln0zlhKZiFsa3:ZBlubgREJmIzsnjeeR8fP1lnURsI
TLSH T11525D02816B7CA07C999A530D8D1E2701BB85E84866FC74F05DC3DB7F637398A9923B1
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70d4b2a84cd4ec78 (4 x Formbook, 2 x AsyncRAT, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/310182/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42876.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6322d85e35180ec88e2c4771/reports/94835f83-c568-47f4-a555-c3a7872bb4d1/overview
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/7dfd1f86-93a3-4d84-ae92-24c35bcdad0e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1070762
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6541f542aee46042906a0cddb1ef3e4fdf3cae69a37c8011bb0c4fce27d6693/
Threat name:
ByteCode-MSIL.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2022-09-14 17:59:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
11 of 40 (27.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzkb6vbk5zdaikigudg5whxt4t67hsxgti34qai3wdcpzyt5m2jq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220915-jlztraccf3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
p=
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d375dbd1-9536-4f60-b9dd-30f85068f993
Unpacked files
SH256 hash:
22469ccad91936b4d8e5b93c7cf354cb46edd41174b7ea8827e703162d2e4d90
MD5 hash:
af599dc4450d1016e4654f2313ec2bee
SHA1 hash:
63d60590b45eb0c673e1e052754fe396ad05d914
Link:
https://www.unpac.me/results/3a1a92d7-38d5-4811-a48e-182e0e695bcb/
SH256 hash:
9e3fe285ddb0f4db34a67a8798c5151b9b611e943e024e565d59380f993e3191
MD5 hash:
6db48f33eb08af67fe0917f2068f7251
SHA1 hash:
4b3509574906f2b6fd35b13b9b449afab44c3703
Link:
https://www.unpac.me/results/3a1a92d7-38d5-4811-a48e-182e0e695bcb/
SH256 hash:
e9a3e62988939e50ae896af91971f533a4f2796d24f4b9847a20b9525e287667
MD5 hash:
2ca89dcb237fbe2f009b6a439dbe26b6
SHA1 hash:
3531ec0b730865e8f5ae40b17f250b78fcbf2285
Link:
https://www.unpac.me/results/3a1a92d7-38d5-4811-a48e-182e0e695bcb/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/3a1a92d7-38d5-4811-a48e-182e0e695bcb/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/3a1a92d7-38d5-4811-a48e-182e0e695bcb/
SH256 hash:
a6541f542aee46042906a0cddb1ef3e4fdf3cae69a37c8011bb0c4fce27d6693
MD5 hash:
9aced2be886174e3c7a6fa2f2bd0243f
SHA1 hash:
fedaa06b74907d71b567ff098f4a97258dc73509
Link:
https://www.unpac.me/results/3a1a92d7-38d5-4811-a48e-182e0e695bcb/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a6541f542aee/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/a6541f542aee46042906a0cddb1ef3e4fdf3cae69a37c8011bb0c4fce27d6693

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.

Web download

AgentTesla

Executable exe a6541f542aee46042906a0cddb1ef3e4fdf3cae69a37c8011bb0c4fce27d6693

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2260834/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/310182/

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