MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff
SHA3-384 hash: 0c2ee593ee630ba80f04813d6522e8d04222b9cd833c3eb232b12e60cdf8e895149ad9b2b2a8f85b4c108d1ce3a94032
SHA1 hash: 1eb77e3633dcfbfd2163a8e9a0c0a3f2588c0b14
MD5 hash: 5d9f0ca0e2b0e41f30a1cce0b002484b
humanhash: tennis-one-wisconsin-wisconsin
File name:JUSTIFICANTE DE PAGO CF.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:32'256 bytes
First seen:2024-02-21 20:07:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:P0WhyGSUtsihJU1D81S4CBfwYzUppZ9/5W/jlaS:PbEF+sihJCD8Q9UppZ9/5W/jlaS
Threatray 5'702 similar samples on MalwareBazaar
TLSH T105E2180BB79A87A1D699873FC5E391400336D79BFB23D61E748AA34549037D8CA71783
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
411
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff.exe
Verdict:
Malicious activity
Analysis date:
2024-02-21 20:13:08 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/ae26c282-eef2-4632-9158-f03d9a64c405

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/477346/
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.16085.30386.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP POST request
Connection attempt to an infection source
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Sending a custom TCP request
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade net_reactor packed
Link:
https://www.filescan.io/uploads/65d65823781f5716463f728a/reports/9a90c2f3-d035-44ca-bf4b-2b801ab7af03/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8d8052c5-7cf9-437b-b115-1066ddb6f254
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1396479
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension File Execution
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1396479 Sample: JUSTIFICANTE DE PAGO CF.pdf.exe Startdate: 21/02/2024 Architecture: WINDOWS Score: 100 39 mail.wassadadvogados.com.br 2->39 41 www.example.com 2->41 43 2 other IPs or domains 2->43 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 13 other signatures 2->57 7 JUSTIFICANTE DE PAGO CF.pdf.exe 16 5 2->7         started        12 Reramvw.exe 14 5 2->12         started        14 repeat.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 47 www.example.com 93.184.216.34, 49705, 49707, 49710 EDGECASTUS European Union 7->47 49 qu.ax 45.83.31.187, 443, 49706, 49711 DEDIPATH-LLCUS Netherlands 7->49 37 C:\Users\user\AppData\Roaming\Reramvw.exe, PE32 7->37 dropped 69 Creates multiple autostart registry keys 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->71 18 JUSTIFICANTE DE PAGO CF.pdf.exe 1 5 7->18         started        73 Antivirus detection for dropped file 12->73 75 Multi AV Scanner detection for dropped file 12->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->77 23 Reramvw.exe 4 12->23         started        25 Reramvw.exe 12->25         started        79 Machine Learning detection for dropped file 14->79 27 repeat.exe 14->27         started        29 Reramvw.exe 16->29         started        31 repeat.exe 16->31         started        file6 signatures7 process8 dnsIp9 45 wassadadvogados.com.br 191.252.141.106, 49708, 49709, 49720 LocawebServicosdeInternetSABR Brazil 18->45 33 C:\Users\user\AppData\Roaming\...\repeat.exe, PE32 18->33 dropped 35 C:\Users\user\...\repeat.exe:Zone.Identifier, ASCII 18->35 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->59 61 Tries to steal Mail credentials (via file / registry access) 18->61 63 Creates multiple autostart registry keys 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 31->67 file10 signatures11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-02-21 17:08:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=grf3rlrntl57t5tgvbcpn2nhmbxkuitkaob3qthropypg4s7vp7q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
4722cb29b7819a5ac339733693f3d6d8f2203881cde7219dfde83322ac67da5e
AgentTesla
8d73435308ce02c19cf26a6713478da7f50e989301f53589e66cd54fc25d912a
AgentTesla
9d1ac83fb10ec78b893dffb21bf688f9360b1ed034b1889d9f71abcf7c041efe
AgentTesla
a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439
AgentTesla
+ 5'692 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240221-ywh2bafc45/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff
MD5 hash:
5d9f0ca0e2b0e41f30a1cce0b002484b
SHA1 hash:
1eb77e3633dcfbfd2163a8e9a0c0a3f2588c0b14
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/a6a0f04d-ae30-4851-b892-7936530c2bf8/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/344bb8ae2d9a/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/344bb8ae2d9afbf9f666a844f6e9a7606eaa226a0383b84cf173f0f3725fabff

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/477346/

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