MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad
SHA3-384 hash: 8b11aca660af9bc1d907cb0a8f482db0f56bae4a311ea2ce90576c588646233d4a10ff176f99aaf80acd8df6fe49ae1c
SHA1 hash: 223f6dd7601d3fbf3e1f1bba05c12bd220292c35
MD5 hash: eef1daccc9464b02eeeb35961933a273
humanhash: chicken-massachusetts-maine-pip
File name:Our New Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:655'872 bytes
First seen:2023-04-18 00:17:39 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 12288:A2iNSHpSjUutAhPn9WpeLtpn5KfMKgLDj7Bt0saGLeeQU7:A1YHgUhPnUOtp/KMDjX0saGLeeZ
Threatray 379 similar samples on MalwareBazaar
TLSH T17DD401F563C0E749DC021BBD5A05A84827F68DB5C4E8CE0EC5E6F4CB0EBD3615059EAA
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)
File icon (PE):PE icon
dhash icon e0e2aba3a5b8b8a8 (38 x AgentTesla, 18 x SnakeKeylogger, 14 x Formbook)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Our New Quotation.exe
Verdict:
Malicious activity
Analysis date:
2023-04-18 00:20:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8c807e71-36e8-41d3-9a00-7eabdcd8d910

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/382895/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Win.Trojan.Spynoon-9939401-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/643de1bdda9df612bb188a3d/reports/e982df47-f5e8-4b8a-aa09-fe9cc336ad11/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad
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/aa06f430-9f70-451e-97f2-dbdb56ec8502
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1215574
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: Scheduled temp file as task from temp location
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
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 848502 Sample: Our_New_Quotation.exe Startdate: 18/04/2023 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->66 68 7 other signatures 2->68 7 Our_New_Quotation.exe 7 2->7         started        11 oPrZgwB.exe 5 2->11         started        13 bUhSoz.exe 5 2->13         started        15 bUhSoz.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\oPrZgwB.exe, PE32 7->52 dropped 54 C:\Users\user\...\oPrZgwB.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp434C.tmp, XML 7->56 dropped 58 C:\Users\user\...\Our_New_Quotation.exe.log, ASCII 7->58 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 82 Adds a directory exclusion to Windows Defender 7->82 17 Our_New_Quotation.exe 2 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 26 oPrZgwB.exe 11->26         started        28 schtasks.exe 1 11->28         started        30 bUhSoz.exe 13->30         started        32 schtasks.exe 13->32         started        34 bUhSoz.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 60 host43.registrar-servers.com 198.54.116.10, 49696, 49697, 49698 NAMECHEAP-NETUS United States 17->60 48 C:\Users\user\AppData\Roaming\...\bUhSoz.exe, PE32 17->48 dropped 50 C:\Users\user\...\bUhSoz.exe:Zone.Identifier, ASCII 17->50 dropped 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->70 72 Tries to steal Mail credentials (via file / registry access) 17->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->74 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 28->42         started        44 conhost.exe 32->44         started        76 Tries to harvest and steal browser information (history, passwords, etc) 34->76 46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad/
Threat name:
ByteCode-MSIL.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 07:35:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usknwcwdareeryzi4tptzwtn7vuy6u4jg5tcht4zg3h4pts2ggwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
04a42e9d0b1c019989d91249331e0920703296490ab8a565bed15e1a0e1742fc
AgentTesla
26f7c2a6ed82ed4f46ad1bde0caa72058fedddc006d534b17b42c1528dbfa720
AgentTesla
289a4bc231a47d921ad357468a18f0fcae9173f369fbd23b602eae0feaf95759
AgentTesla
349fada4859b8ffa4c690af723daa16669d6fa2b9f5ec51111adee2e8cb63748
AgentTesla
69fa15d77275d1d0383f6a1ec7137989a392fe17050cb90f3670e8e834f931be
AgentTesla
a1e44dff73b4a8616ae1b39f3ecf82b457859f3aed8b208ae41e79d7d79c5ef2
AgentTesla
c86d38aa757ac108e7d31f03848e49091391730cf0d132b71e70d487c919f68c
AgentTesla
+ 369 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230418-almdzsgf95/
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
Adds Run key to start application
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
Unpacked files
SH256 hash:
39dd649c044feae9d43ddd49e64c4c2c7b434131d5951b58c6b70f4d1356035b
MD5 hash:
4bba97de1b97225183ffccb680f9bbd9
SHA1 hash:
9f194249d95f6abebfcf7ed1f0e03440b2487ee2
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/6eac14da-0bd0-4b7e-8b10-884a4b2a90d8/
Parent samples :
a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad
13681068261071d375bc58275501f72bbe2693f4df6ec40364b2f62c0eb1b106
0451b9c358b1404717f5060aea5711327cf169cd4c5648f5ac23f1a1fb740716
6beb6c8530ae26563b435151158d82e6e097cf51a4e27693c694aa237207d57a
SH256 hash:
fdbdcdaa7c95cd520bf96f8c4acc5c9560f421dacb0abba915fb06bf5be7dcf0
MD5 hash:
d591c58903726e2bb0818ba3a3e4bf7e
SHA1 hash:
92e8ae38b38bc592ebb8c7a133b64d2c25a20b50
Link:
https://www.unpac.me/results/6eac14da-0bd0-4b7e-8b10-884a4b2a90d8/
SH256 hash:
0f3e21ff2f2648b3fa362db8bf88a0cf9ed40c2412d57d43052c6979598ae5e3
MD5 hash:
6a9f1954acc680a2faf4a921b0560dbb
SHA1 hash:
7e1b0cef02369c2e41ed600a93f29cc386f22740
Link:
https://www.unpac.me/results/6eac14da-0bd0-4b7e-8b10-884a4b2a90d8/
SH256 hash:
313e0c33c3815ed0b7e2afff8852027e17cf3b187a7ac1d861a80e026c770de4
MD5 hash:
e6f6019d84e912eba66189e1232ff0c8
SHA1 hash:
48cbd94aa1b63e4858d23f27bd4416c9d2c8933a
Link:
https://www.unpac.me/results/6eac14da-0bd0-4b7e-8b10-884a4b2a90d8/
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
Link:
https://www.unpac.me/results/6eac14da-0bd0-4b7e-8b10-884a4b2a90d8/
SH256 hash:
a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad
MD5 hash:
eef1daccc9464b02eeeb35961933a273
SHA1 hash:
223f6dd7601d3fbf3e1f1bba05c12bd220292c35
Link:
https://www.unpac.me/results/6eac14da-0bd0-4b7e-8b10-884a4b2a90d8/
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/a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad

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:Dotnet_Hidden_Executables_Detect
Create hunting rule
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 a494db0ac3044848e328e4df3cda6dfd698f5389376623cf9936cfc7ce5a31ad

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/382895/

Comments