MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c
SHA3-384 hash: 7abf45ab941a735b526fb64efee9c9c5a0a58cf510c6cd4df5ad7119d48e3ad21ab45ea04695dd69a96ea815a72519e9
SHA1 hash: e3f928a1471c94d6ad32a1d84b44c0fa16354d6f
MD5 hash: 3e24076b27ec5a0aa32101a00f3df93a
humanhash: salami-low-uniform-oregon
File name:Source1Solutions- RFQ092723.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'268'088 bytes
First seen:2023-09-28 09:31:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger)
ssdeep 24576:O3iPTcKyTFeE+A57HHzzdPKM07dwCIg9ad15BLEQlD/I2E:O34ypQsrHzBPP076Ct9U15BAQlD/I2E
Threatray 5'821 similar samples on MalwareBazaar
TLSH T185453382715082F9FEA55632903B5F2779B23D6F4D40A0994FA4FB1ED8716C1CE2782B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fc9adca8a8b494de (2 x GuLoader, 1 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-07-29T05:04:20Z
Valid to:2026-07-28T05:04:20Z
Serial number: 30052d857c2ad5400836a500e3a7ab2019883619
Thumbprint Algorithm:SHA256
Thumbprint: 77425ba533637ad2cecaaa6a7a619f4349c2cecc117ced554693a99bbbc2906b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Source1Solutions- RFQ092723.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 09:32:46 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/4e539292-676b-4003-b48d-2f0b6d38496f

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/451745/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.18071.7938.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Creating a process from a recently created file
Sending a custom TCP request
Launching a process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/651548131edabd9982a137c7/reports/36ac3bd0-4231-4593-bfa5-a7bdc10658d0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c
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:
Malicious
Link:
https://analyze.intezer.com/analyses/ef97f132-6d28-48a1-8dad-858626d64a9c
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1315743
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suspicious powershell command line found
Tries to detect Any.run
Tries to detect sandboxes / dynamic malware analysis system (file name check)
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)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1315743 Sample: Source1Solutions-_RFQ092723.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected GuLoader 2->57 59 2 other signatures 2->59 8 Source1Solutions-_RFQ092723.exe 1 61 2->8         started        11 Myapp.exe 2 2->11         started        14 Myapp.exe 1 2->14         started        process3 file4 33 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\BgImage.dll, PE32 8->37 dropped 16 powershell.exe 12 8->16         started        69 Tries to detect sandboxes / dynamic malware analysis system (file name check) 11->69 19 conhost.exe 11->19         started        21 conhost.exe 14->21         started        signatures5 process6 signatures7 47 Suspicious powershell command line found 16->47 49 Very long command line found 16->49 51 Found suspicious powershell code related to unpacking or dynamic code loading 16->51 23 powershell.exe 13 16->23         started        26 conhost.exe 16->26         started        process8 signatures9 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->61 63 Writes to foreign memory regions 23->63 65 Tries to detect Any.run 23->65 67 Maps a DLL or memory area into another process 23->67 28 CasPol.exe 2 12 23->28         started        process10 dnsIp11 41 pernosgalvanizados.com 201.148.107.236, 49862, 587 HOSTINGCL Chile 28->41 43 googlehosted.l.googleusercontent.com 142.250.64.65, 443, 49861 GOOGLEUS United States 28->43 45 3 other IPs or domains 28->45 39 C:\Users\user\AppData\Roaming\...\Myapp.exe, PE32 28->39 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 28->73 75 Tries to steal Mail credentials (via file / registry access) 28->75 77 3 other signatures 28->77 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c/
Threat name:
Win32.Trojan.Makoob
Create hunting rule
Status:
Malicious
First seen:
2023-09-27 05:09:49 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ihnbtzrywhniresb6grznd3eqlw2uauxzqi7oh5gntkdfyl5dmga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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e99c7823014dff669b4d6a384acf9cd230acda7449a111f376084a39adf4fa84
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AgentTesla
+ 5'811 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader collection downloader keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230928-lhlttsab8v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Checks QEMU agent file
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
73abbc57661987e7a0aa7e43f6d7dcff63a74615d3b731d94891b05e0e19adcb
MD5 hash:
e2834a37c23a5c487b6e3a55eb95dd8a
SHA1 hash:
2ebc683fe079a8b0081283fd4adfff82f52dfa4d
Link:
https://www.unpac.me/results/4c5bb0a0-8231-4f75-89f3-5e006975e008/
SH256 hash:
1ece965ac1a7410c56c47532a43dd7e5b4db0263a8dca53f0554f7ff16003a8c
MD5 hash:
df3e949ba7901c3520698d403c7f1f5c
SHA1 hash:
6cd0bcdcd433cea81f90ecc1bf4e92e9a0d8fde2
Link:
https://www.unpac.me/results/4c5bb0a0-8231-4f75-89f3-5e006975e008/
SH256 hash:
41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c
MD5 hash:
3e24076b27ec5a0aa32101a00f3df93a
SHA1 hash:
e3f928a1471c94d6ad32a1d84b44c0fa16354d6f
Link:
https://www.unpac.me/results/4c5bb0a0-8231-4f75-89f3-5e006975e008/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/41da19e638b1/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/41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 41da19e638b1da889241f1a3968f6482edaa0297cc11f71fa66cd432e17d1b0c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/451745/

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