MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb1461873ef23fa84056906d17355f3b3593aa243f0b6abdcc3dbb64847144d. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efb1461873ef23fa84056906d17355f3b3593aa243f0b6abdcc3dbb64847144d
SHA3-384 hash: e14a727ed012a8efea678de8cb59e4275208b81c75fcfe2fb070f306b808a581dbc238c494dfab3321b7e4b8aa1fc59a
SHA1 hash: 5b58f47a2975b68ac6731b98246f909adb468751
MD5 hash: c164c42f67e3a4dc42def2f83a5f38ba
humanhash: finch-vegan-tennis-ceiling
File name:c164c42f67e3a4dc42def2f83a5f38ba
Download: download sample
Signature AgentTesla
Create hunting rule
File size:503'213 bytes
First seen:2022-03-02 20:18:53 UTC
Last seen:2022-03-02 21:58:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:wKwx6IeJx3+2X3Q7p6pvm/cMmVVdFh4J8:nImuI3eU9MabFh4i
Threatray 3'890 similar samples on MalwareBazaar
TLSH T180B4F01374EC56DBE1DD0DB05D38F79CA27A6EA524206D12BEA4FB8A347540218FB87C
File icon (PE):PE icon
dhash icon e4ccccccd4c4cccc (10 x Formbook, 10 x AgentTesla, 5 x Loki)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/246509/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.25262.16728.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/621fd13ab94fb38cb43b89fb/reports/dab24dc8-e44e-43b5-8153-5be2476f3ea3/overview
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:
RaRansomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2bde354b-c2d9-4cab-9aff-f296bdc6a14f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949499
Signature
.NET source code contains very large array initializations
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581981 Sample: cX19Z86EXt Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 33 store-images.s-microsoft.com 2->33 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->47 49 4 other signatures 2->49 8 cX19Z86EXt.exe 18 2->8         started        11 xpamrldqlhmbfo.exe 2->11         started        13 xpamrldqlhmbfo.exe 2->13         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\qvzvztosy.exe, PE32 8->29 dropped 15 qvzvztosy.exe 1 2 8->15         started        19 WerFault.exe 23 9 11->19         started        21 WerFault.exe 2 9 13->21         started        process6 file7 31 C:\Users\user\AppData\...\xpamrldqlhmbfo.exe, PE32 15->31 dropped 35 Detected unpacking (creates a PE file in dynamic memory) 15->35 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 2 other signatures 15->41 23 qvzvztosy.exe 2 15->23         started        signatures8 process9 file10 27 C:\Windows\System32\drivers\etc\hosts, ASCII 23->27 dropped 51 Modifies the hosts file 23->51 signatures11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/efb1461873ef23fa84056906d17355f3b3593aa243f0b6abdcc3dbb64847144d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-03-02 20:19:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56yumgdt54r7vbafnednc42v6ozvsovcipylnk64ypn3mschcrgq._file
Verdict:
malicious
Similar samples:
6ff46a14b9b9ee749f6d723246afa1f2c82e85433de7c243d9b66046fa25fa42
AgentTesla
782df1aaa2744ba6a9efd5c9c05e16293e43a10093ab651866ceb009f977a9f6
AgentTesla
7bd7078e492274101be1289e00a8c17c84a33a836257fe5038149d9e7ab3564e
AgentTesla
8230050be18082cbd46028e18bd49362c630c8c63dfc8b6875b605f250fadda3
AgentTesla
9b9b8fda0efdc14380cc3da53380812bfe152a4a05de99aa9159f167066f9ff0
AgentTesla
a5552237bf0ede9675b646aea11141c7763ed882fc8dbfe1b036f6347fe98ad3
AgentTesla
ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726
AgentTesla
f1b06407f8fe5e17a2bca06f7c7d54711f41df69163f3e9027c7521c0b17a864
AgentTesla
+ 3'880 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/220302-y3vcxsgbe4/
Behaviour
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
Executes dropped EXE
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1872783798:AAH_ZvHWmu9v67NlJUeitZVNpyoZEDU9FuY/sendDocument
Unpacked files
SH256 hash:
0cea7a00c2b48e57bc57005b9e203ba4d9eed78e996a301e41ee5e2a70da391d
MD5 hash:
92f0c6a41303c3e26fd8db6ecf6c1ac1
SHA1 hash:
665304ce9f21dafe10e3900b211ddffdb40244ed
Link:
https://www.unpac.me/results/920db466-ad75-45e7-9309-597b8f797da1/
SH256 hash:
bfb79001aa4bff522915d13867194c63c5d1a3dbf4cb3f8459181dc6ab7768d4
MD5 hash:
cec27d1688b0355e2617d80cde6f156b
SHA1 hash:
90fa9160142d022ddcd7ef166518441bcb5224eb
Link:
https://www.unpac.me/results/920db466-ad75-45e7-9309-597b8f797da1/
SH256 hash:
9ba52e555b50ea44a21ebbaa75ede9fb42edac5840f7fa6a85f6e3032140fc13
MD5 hash:
7d68c954481e1a90778c16dd9611dd85
SHA1 hash:
fea2a06035b7b404ab0b1d9e79dc4e8cac3fd7f6
Link:
https://www.unpac.me/results/920db466-ad75-45e7-9309-597b8f797da1/
SH256 hash:
efb1461873ef23fa84056906d17355f3b3593aa243f0b6abdcc3dbb64847144d
MD5 hash:
c164c42f67e3a4dc42def2f83a5f38ba
SHA1 hash:
5b58f47a2975b68ac6731b98246f909adb468751
Link:
https://www.unpac.me/results/920db466-ad75-45e7-9309-597b8f797da1/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/efb1461873ef/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/efb1461873ef23fa84056906d17355f3b3593aa243f0b6abdcc3dbb64847144d

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe efb1461873ef23fa84056906d17355f3b3593aa243f0b6abdcc3dbb64847144d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2071327/
Cape
Cape
https://www.capesandbox.com/analysis/246509/

Comments


Avatar
zbet commented on 2022-03-02 20:18:54 UTC

url : hxxp://www.biuevvin.ch/ack/BL.exe