MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8. 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 6 File information Comments
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SHA256 hash: 27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8
SHA3-384 hash: 169ec417f8ca6d0d1947e55249e115b71296a6c5fe17fd5356281d714dbeb524de8d47b07d5876ff66672eadb689eccd
SHA1 hash: 44f7693f292ef7eedca50adc8bed682e323b032c
MD5 hash: b9b1bb2109d5aea3b8acdf172b898ad0
humanhash: victor-monkey-ceiling-happy
File name:RFQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:667'648 bytes
First seen:2023-08-31 02:52:11 UTC
Last seen:2023-08-31 09:55:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:cpd2Qs2wZXwueE8PUPktmPKV8f/FXn7mj0rfYrnyX2H1e0L9heQvgLt3Zz9qVg:cps0wZXlTMSkAPKY/FXajqYc2Hg0SzYe
Threatray 5'601 similar samples on MalwareBazaar
TLSH T115E4F165A78DBCDCE647387288B985110352AEDAF86F861BFC05385495F338225EBC1F
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 f08f898c8e8a8fb0 (37 x SnakeKeylogger, 19 x AgentTesla, 17 x AveMariaRAT)
Reporter cocaman
Tags:AgentTesla exe RFQ

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2023-08-31 02:54:46 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/e3c864bc-3117-492f-aabd-1430659160ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/445402/
Detection(s):
SecuriteInfo.com.Trojan.Heur.DNP.Om0@aCn50Tc.7015.12801.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64f0008e7444d2eb09f3c92f/reports/3a832af9-7a9e-42f0-8cf1-169320f28c37/overview
Verdict:
Malicious
Labled as:
Trojan.DNP.Generic
Link:
https://www.hybrid-analysis.com/sample/27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8
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/12c88157-7521-4be3-90ca-1f034942df6c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1300781
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Drops PE files to the startup folder
Found malware configuration
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE 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: Copy file to startup via Powershell
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1300781 Sample: RFQ.exe Startdate: 31/08/2023 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->37 39 11 other signatures 2->39 7 RFQ.exe 3 2->7         started        10 anydesk.exe.exe 3 2->10         started        process3 signatures4 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Bypasses PowerShell execution policy 7->43 45 Injects a PE file into a foreign processes 7->45 12 powershell.exe 13 7->12         started        16 RFQ.exe 2 7->16         started        19 anydesk.exe.exe 2 10->19         started        21 powershell.exe 11 10->21         started        23 wuapihost.exe 10->23         started        process5 dnsIp6 29 C:\Users\user\AppData\...\anydesk.exe.exe, PE32 12->29 dropped 47 Drops PE files to the startup folder 12->47 49 Powershell drops PE file 12->49 25 conhost.exe 12->25         started        31 zqamcx.com 78.110.166.82, 49724, 49727, 587 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 16->31 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->51 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 27 conhost.exe 21->27         started        file7 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-08-31 02:52:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e65flxliyape5joh5xzkgo6vufpgk5maakjyx4eq3aa6n77ljkua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0157c83047900d2fd372d845d5107e403b7485aa00c3a7b762121f19bdf8b45e
AgentTesla
1eba4559ea8e4c4a53804b0258ff3be6082861bd6f9b4b33876c4cb8bba5e407
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2eaf94da95c7c5bfeee85e0c9b2eeb4203bc708e8538061624082b61866bc3b5
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b6a7597769fe666915fed206fa6544f87a6546fc419e1f8ab0990b6c706dfaea
AgentTesla
b88f695c511fb7260c06b7e22c51dcea69ac6020cdfadaab785431d90047167e
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c0d4dfab211b00bc04b0ef763548fe9cd5d0ab7330546875ef1e29adcf33f800
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ce963a56592eb02a8f5b9a4fd305119ad2eaa2c01b382f449e7d726f3044e114
AgentTesla
fabbc9025f69a3acca316e85321c79bf83901f320a03d1efbd864037f5c7085d
AgentTesla
+ 5'591 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/230831-ddaxrsce25/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
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:
73109e0c6aa30b86e85a778345d74a6797f0121db86398472ca73a809054170b
MD5 hash:
4e1ea6455f40fcbe0957e8a7f7168b27
SHA1 hash:
5aaab42e4b5f21408fbab0db2969884909434750
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/f5115e98-efbb-4a2a-a5d9-8188c015cf33/
SH256 hash:
65e47578274d16be1be0f50767bad0af16930df43556dd23d7ad5e4adc2bcbe3
MD5 hash:
848b847cd19805d19235b5acb8ef2bef
SHA1 hash:
38100751a4ae45a143232cbacf9bb441b31fb211
Link:
https://www.unpac.me/results/f5115e98-efbb-4a2a-a5d9-8188c015cf33/
SH256 hash:
0e6c91887f137fe2892280f03569796c91f8cff1e43eb8b605d566c6a5047c4a
MD5 hash:
b7436930fe86099f3d920f6c5489e050
SHA1 hash:
18d083b081176fff3febfee354d7eaa6cefab0bb
Link:
https://www.unpac.me/results/f5115e98-efbb-4a2a-a5d9-8188c015cf33/
SH256 hash:
27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8
MD5 hash:
b9b1bb2109d5aea3b8acdf172b898ad0
SHA1 hash:
44f7693f292ef7eedca50adc8bed682e323b032c
Link:
https://www.unpac.me/results/f5115e98-efbb-4a2a-a5d9-8188c015cf33/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27ba55dd68c0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8

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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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.

Malspam

AgentTesla

zip 1af26bd10f73019447bde718b3b24463cb1f07e15f3ba50da56ba3773dbc308a

AgentTesla

Executable exe 27ba55dd68c01e4ea5c7edf2a33bd5a15e65758002938bf090d801e6ffeb4aa8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1af26bd10f73019447bde718b3b24463cb1f07e15f3ba50da56ba3773dbc308a
Cape
Cape
https://www.capesandbox.com/analysis/445402/
  
Dropped by
MD5 73a2f351257ad034586984e1df243987

Comments