MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fa4a794d4d0968b2aa5aa59739952e3d45f44d8a9cc73c75c138fcb789914fa. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 6fa4a794d4d0968b2aa5aa59739952e3d45f44d8a9cc73c75c138fcb789914fa
SHA3-384 hash: e225d1de06cb31fa37e161532d05ae82c9d7d4a443da7fb677379e1c352b7192e1a7f74c841aeb6bd4f632587266c72d
SHA1 hash: 1991313b797dd5ad80a5cb60efdc9e97677aa773
MD5 hash: ab218ebf03edac59cf6136124a2f5089
humanhash: triple-coffee-single-alpha
File name:HBL.exe
Download: download sample
Signature AgentTesla
File size:823'296 bytes
First seen:2023-06-14 07:44:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:QgG1tCueiaA7mBhcngsVXLasOBgDPBeMd:QgqtCDiJKBhkgspOBgle
Threatray 2'800 similar samples on MalwareBazaar
TLSH T1B00512406CA95B57D2BAB3F90F1032B037FE5BDA3856F39A0D87F0D69964F490A01A17
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 cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HBL.exe
Verdict:
Malicious activity
Analysis date:
2023-06-14 08:37:42 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 887267 Sample: HBL.exe Startdate: 14/06/2023 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 6 other signatures 2->57 7 HBL.exe 7 2->7         started        11 bCaWJAu.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\bCaWJAu.exe, PE32 7->33 dropped 35 C:\Users\user\...\bCaWJAu.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp67D8.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\Local\...\HBL.exe.log, ASCII 7->39 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 HBL.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 21 bCaWJAu.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        25 bCaWJAu.exe 11->25         started        signatures5 process6 dnsIp7 41 api4.ipify.org 64.185.227.155, 443, 49697, 49699 WEBNXUS United States 13->41 43 api.telegram.org 149.154.167.220, 443, 49698, 49700 TELEGRAMRU United Kingdom 13->43 45 api.ipify.org 13->45 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        47 192.168.2.1 unknown unknown 21->47 49 api.ipify.org 21->49 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->71 73 Tries to steal Mail credentials (via file / registry access) 21->73 75 Tries to harvest and steal browser information (history, passwords, etc) 21->75 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-13 16:34:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
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
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/bot5818759233:AAFI7OlL_xF1C_H7nxAtSweMNNwegCdZOXs/
Unpacked files
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
8cc094a95b9a76d62753f87bbde71b0b21b04d78709cbc83891bebdab5afd676
MD5 hash:
0afee6d7b5faab5deb29b3e1ba969dbd
SHA1 hash:
b56ed9d68b332e8be14039b21bd0110d037525fc
Detections:
AgentTeslaXorStringsNet
SH256 hash:
224bc147af834a604c182b3593127a061792d0f1c4977ca8c24b824f22ee45a6
MD5 hash:
446dd3f07f9748bf4612b064d05dfca5
SHA1 hash:
76c1644bf66c5589d951d0c35c1fd29da0933a54
SH256 hash:
9877fc3e41f3a5ff3f38f960ce6db0e33b5551e613d4882fcb4c9f3908e986ed
MD5 hash:
e1756602090e62c8a97300bfac2db52a
SHA1 hash:
6dc6c77d8723c9182ee1dea5c5b0d8371e5dd258
SH256 hash:
13e9be0aba1cef3943954d2a204472356721075f8ecbfe565a476aec8346fdc6
MD5 hash:
4ce78b41df3f0bb4dff20793bcc9f78d
SHA1 hash:
4de22b09a356224b9916836ba2ee181d369d5f4f
SH256 hash:
6fa4a794d4d0968b2aa5aa59739952e3d45f44d8a9cc73c75c138fcb789914fa
MD5 hash:
ab218ebf03edac59cf6136124a2f5089
SHA1 hash:
1991313b797dd5ad80a5cb60efdc9e97677aa773
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 6fa4a794d4d0968b2aa5aa59739952e3d45f44d8a9cc73c75c138fcb789914fa

(this sample)

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