MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627
SHA3-384 hash: 0025a970fd3017b28aad9a3e2140eeebc8c3239e88899d715524b5df0b90bc0a88b5696d8307f9bad215a1d1eff44a9c
SHA1 hash: cee1d7c5c1d66c1bfc1b716f14a53564cced593d
MD5 hash: 6094c59739e4f96c740e1b31669382fd
humanhash: black-kitten-gee-hamper
File name:6094c59739e4f96c740e1b31669382fd.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:804'864 bytes
First seen:2022-08-15 16:24:55 UTC
Last seen:2022-08-15 16:49:11 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 12288:95a8mPtt3gmitQdchUHhbypy7Lic0Aff0de5jcA52gbg+29dJQk+VD:0vHFWyHhbky7sAff0g5lZbD4v+VD
TLSH T17105DFEF9EF82917CE20007AF2186AAD37D11D65A823C74D9A4BF69D64733CC4965E03
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:

Intelligence

File Origin
# of uploads :
2
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
6094c59739e4f96c740e1b31669382fd.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 16:28:58 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/7aaf9809-e6ee-43aa-9bbf-5218a65e128b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/298781/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.40371.6722.17625.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fa7372e4e65a67c4abaa11/reports/39ac5221-4165-4816-910a-d2eb63425349/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/296908f0-8795-4ae8-8cfc-dfe4b2e353b4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051720
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684234 Sample: A77lp7d1AL.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 5 other signatures 2->55 6 A77lp7d1AL.exe 3 2->6         started        10 WindowsNetwork.exe 3 2->10         started        12 WindowsNetwork.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\...\A77lp7d1AL.exe.log, ASCII 6->27 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->59 61 Contains functionality to register a low level keyboard hook 6->61 14 A77lp7d1AL.exe 2 9 6->14         started        19 A77lp7d1AL.exe 6->19         started        63 Multi AV Scanner detection for dropped file 10->63 65 Machine Learning detection for dropped file 10->65 67 Injects a PE file into a foreign processes 10->67 21 WindowsNetwork.exe 6 10->21         started        23 WindowsNetwork.exe 10->23         started        25 WindowsNetwork.exe 10->25         started        signatures5 process6 dnsIp7 33 217.69.139.160, 49780, 49793, 49795 MAILRU-ASMailRuRU Russian Federation 14->33 35 smtp.mail.ru 94.100.180.160, 49776, 587 MAILRU-ASMailRuRU Russian Federation 14->35 29 C:\Users\user\AppData\...\WindowsNetwork.exe, PE32 14->29 dropped 31 C:\...\WindowsNetwork.exe:Zone.Identifier, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Tries to harvest and steal ftp login credentials 21->43 45 Tries to harvest and steal browser information (history, passwords, etc) 21->45 47 Installs a global keyboard hook 21->47 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 10:16:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u22mdm4yt7zighsmjsrcf7jzfhjorn2ne7yf4g4nxmcg4xu34ytq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220815-twypjsdafp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Unpacked files
SH256 hash:
dfc2e4c37e9db11e8f6d09d7aafcd2a181c5bbd0d5a6f8c707c38798a04ccb5c
MD5 hash:
f3678c0fa36c71761529f393dfd0892c
SHA1 hash:
f4ebbb89153326cd2cbc54e7e9b86d28281d5dab
Link:
https://www.unpac.me/results/3dd5d822-53eb-4932-b2ac-cfbfb79c8f73/
SH256 hash:
cdfd8dfea3f7cebee34891994e40f9f4f74e92710ab8fe8e4bed57fd22de2def
MD5 hash:
b6de3365f263cd04ec2bf401d26cb0d6
SHA1 hash:
9bf784b8176b3bb3cf1bf5340e0392aaa5e37094
Link:
https://www.unpac.me/results/3dd5d822-53eb-4932-b2ac-cfbfb79c8f73/
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/3dd5d822-53eb-4932-b2ac-cfbfb79c8f73/
SH256 hash:
769a1f25edcc079e040d33b4a34695b09bf8aa57c3b73475ea3b7324b0273558
MD5 hash:
0137fbcc6a58dff9d10617bc9db0316d
SHA1 hash:
5e7c30dbb1be0ffc7417e4431d12b57ea92593de
Link:
https://www.unpac.me/results/3dd5d822-53eb-4932-b2ac-cfbfb79c8f73/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/3dd5d822-53eb-4932-b2ac-cfbfb79c8f73/
SH256 hash:
a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627
MD5 hash:
6094c59739e4f96c740e1b31669382fd
SHA1 hash:
cee1d7c5c1d66c1bfc1b716f14a53564cced593d
Link:
https://www.unpac.me/results/3dd5d822-53eb-4932-b2ac-cfbfb79c8f73/
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/a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 a6b4c1b3989ff2831e4c4ca222fd3929d2e8b74d27f05e1b8dbb046e5e9be627

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/298781/

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