MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7
SHA3-384 hash: 401a94c72d3a5bfc05047492478dfcf97696339d912a8aa697e8db585e749c5f7d84ae4005f342a037a09cbb42693a33
SHA1 hash: f9c4448aa1d7eda7db70547f146397277809f859
MD5 hash: 9e21a2e30036cf2d5e4a58043af58664
humanhash: five-tennessee-texas-speaker
File name:Avaliabil Account.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:595'456 bytes
First seen:2023-05-02 20:59:37 UTC
Last seen:2023-05-13 22:47:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'640 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:BakJqt9EUZJpSUdWO6sAafXnUYGL7X16bl8wGQUFFN9v/XSV:OrEy/9V6OXUYUX8bKt9nXSV
Threatray 740 similar samples on MalwareBazaar
TLSH T18CC4DF1A51A4CB5BFD768BF09434FF8063F0B07754E4E2382FBA21C6D966F151A48A1B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Avaliabil Account.exe
Verdict:
Malicious activity
Analysis date:
2023-05-02 21:01:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/993a6387-ce5f-4f8f-be1c-4434d54af54c

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/386162/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/645179d3d7f41b9c67316655/reports/13a68544-5abb-49ef-a251-909ca4b668e2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7
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/cbf51301-b1bd-4040-91c7-e5f0963775e9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224994
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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 Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 857957 Sample: Avaliabil_Account.exe Startdate: 02/05/2023 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 7 other signatures 2->57 7 Avaliabil_Account.exe 7 2->7         started        11 tKsLfdgRfUI.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\tKsLfdgRfUI.exe, PE32 7->35 dropped 37 C:\Users\...\tKsLfdgRfUI.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp8244.tmp, XML 7->39 dropped 41 C:\Users\user\...\Avaliabil_Account.exe.log, ASCII 7->41 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 May check the online IP address of the machine 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Adds a directory exclusion to Windows Defender 7->65 13 Avaliabil_Account.exe 15 7 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        27 2 other processes 7->27 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 71 Contains functionality to register a low level keyboard hook 11->71 21 tKsLfdgRfUI.exe 11->21         started        23 schtasks.exe 1 11->23         started        25 tKsLfdgRfUI.exe 11->25         started        signatures5 process6 dnsIp7 43 api4.ipify.org 104.237.62.211, 443, 49695, 49698 WEBNXUS United States 13->43 45 api.telegram.org 149.154.167.220, 443, 49696, 49697 TELEGRAMRU United Kingdom 13->45 47 api.ipify.org 13->47 73 Installs a global keyboard hook 13->73 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        49 api.ipify.org 21->49 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->75 77 Tries to steal Mail credentials (via file / registry access) 21->77 79 Tries to harvest and steal browser information (history, passwords, etc) 21->79 33 conhost.exe 23->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7/
Threat name:
ByteCode-MSIL.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-05-02 12:59:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=thbn54fh7vuqcyr52n2fvo7rgmgdr6q7bifskkapi22pzrvoj73q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1025ea55a0dc2b783a15f4c8d980b63d16a89a1e0fdfce39931de521d76f9f3a
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16e67e79d382c4480603832ba0b3073208224e0e5078e3dd1e108a7b98a0f690
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1e0970459d115bde0c455a543f92bac5f17bdbcaa716791704792c78be82f299
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5b7fd0a91db03a64277e79fa7e6b8d63674a8a3cabf30c78eaa56c70ba6b3ceb
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84a93af9e18d782e353d1249988ce2fe42208f613fcd1f53287b327a693b9ef1
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aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f
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ba852b38002916eb89dd9ada1f1ff78c308b433732b1600813789f5707ab6d62
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bc2c9a0032b4118b2d862043c73ebbc2627c31f8fb8afb7bd28b8a27be225800
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cce03ee9cac9ccbacb587c0fb5426aa0435a9e1278d0d5472ab0ae06139687ed
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fe30de8c39a135c0bda337c2624c20db55670737fffd79cb09145b42401782cf
AgentTesla
+ 730 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/230502-ztaslace66/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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/bot5261540771:AAHpybxDtEnwQtX4w7iGcSpo7-vbVF4FJuk/
Unpacked files
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/8a77cc81-6f13-4f1b-b380-b62752d15e6d/
SH256 hash:
73e2034b7c185020dae3f6c44e3c285890ee934e1c1c9ad99dd2f4cd1848a21d
MD5 hash:
cfaeaada7559329a9ba57591974f8ab2
SHA1 hash:
7fc33c38fbbebef31839212a065edd402149927a
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/8a77cc81-6f13-4f1b-b380-b62752d15e6d/
SH256 hash:
8d732b25d920a34cb4985bc391be2c0c02d3ad71ee71749124ee35094ad75a97
MD5 hash:
afb4c7df2d562ad3541513786cd7850f
SHA1 hash:
732d5e72505cdc34e0741b26ab3ba26ba198ed68
Link:
https://www.unpac.me/results/8a77cc81-6f13-4f1b-b380-b62752d15e6d/
SH256 hash:
8362a107d309eb065d84b5780573c9fd37827ff8f975eaa758b6cec1091172fc
MD5 hash:
c23099f8f63823b69870bfbf7749ecef
SHA1 hash:
2651b69408237d6854e68fc610ea8bb12acae4fd
Link:
https://www.unpac.me/results/8a77cc81-6f13-4f1b-b380-b62752d15e6d/
SH256 hash:
286e53228bac8fb44d51b106ff606ddb462b7e7e1c15ce931f4bdd144f6ae675
MD5 hash:
48dfc9d4b91d8335d292b94b1728dac4
SHA1 hash:
12b306e6b262d03110e67aa3a8600599cce4f848
Link:
https://www.unpac.me/results/8a77cc81-6f13-4f1b-b380-b62752d15e6d/
SH256 hash:
99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7
MD5 hash:
9e21a2e30036cf2d5e4a58043af58664
SHA1 hash:
f9c4448aa1d7eda7db70547f146397277809f859
Link:
https://www.unpac.me/results/8a77cc81-6f13-4f1b-b380-b62752d15e6d/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99c2def0a7fd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7

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 99c2def0a7fd6901623dd3745abbf1330c38fa1f0a0b25280f46b4fcc6ae4ff7

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/386162/

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