MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8655b97f361462f2f5d402ea09fb1a66e99a865cdb50a99d86e8b4eb3a7cd47f. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8655b97f361462f2f5d402ea09fb1a66e99a865cdb50a99d86e8b4eb3a7cd47f
SHA3-384 hash: 5db1a42df8337549f3dd0e7c12b1b76ce3c68263250acf81f57a6e0317f370461758adf3a40b3645ad0dd5677d01b6d0
SHA1 hash: 0d7c56e9bbc5a33aa0ce0854d45c389bd3e5c57b
MD5 hash: 9aea39139785e751478d8ff53a06b543
humanhash: oregon-five-black-tennis
File name:QUOTATION REQUEST.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'144'320 bytes
First seen:2021-09-29 21:22:10 UTC
Last seen:2021-09-30 05:04:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:V/IB/+XYP6UEx81lhjA8++++4+++++++0+++++++a:N0moSUEx81lJh++++4+++++++0+++++D
Threatray 10'464 similar samples on MalwareBazaar
TLSH T1BC35CE394D2682F7C7EEC63CD44C5BDEDA62A8837A919F1AC495DBC3125B70BE48844C
File icon (PE):PE icon
dhash icon 34f0d2e4d4d4d4d4 (9 x SnakeKeylogger, 4 x AgentTesla, 2 x NanoCore)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION REQUEST.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 21:24:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2dbb3a41-3513-493d-83fc-5cfdcc78519f

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/193264/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1037-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a system process
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/88d97cea-4e06-4f0e-b087-b54fe24e7192
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/861294
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped 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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 493722 Sample: QUOTATION REQUEST.exe Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 8 other signatures 2->54 7 QUOTATION REQUEST.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\xVzdocRYv.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpA130.tmp, XML 7->34 dropped 36 C:\Users\user\...\QUOTATION REQUEST.exe.log, ASCII 7->36 dropped 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        signatures5 process6 dnsIp7 38 smtp.vivaldi.net 31.209.137.12, 49862, 587 HRINGDU-ASIS Iceland 15->38 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file access) 15->44 46 5 other signatures 15->46 24 conhost.exe 20->24         started        26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8655b97f361462f2f5d402ea09fb1a66e99a865cdb50a99d86e8b4eb3a7cd47f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 18:32:01 UTC
AV detection:
21 of 44 (47.73%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzk3s7zwcrrpf5oualvat6y2m3uzvbs43nikthmg5c2owot42r7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0aee4e28fcaa8811684d3fac7e05d62276530b2ca506554132b82cb741de743b
AgentTesla
45fcc59bfbef8829e6261a4dbdc690c2ee1bc3de116fba86a7312a69b48bcf26
AgentTesla
963879f70de719fb2f4d68b14fa181f0fe72fca3856a9e154081fb0759dd19b3
AgentTesla
aa2d49da658b183554ad762c05a63fec2be80c749c4148dfc136325fb689c995
AgentTesla
bc730cbb516c41290fc555735c26b2a2dc0d8aaeba9bd49a0db33ec0e0c8c1fd
AgentTesla
c8a439c351e234cd57b8bba06cafeaf663323ffd53107f60657837dc2406cb1c
AgentTesla
+ 10'454 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210929-z8fmdsfhhr/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
.NET Reactor proctector
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
71ea0f77958593735a96306d6885faaa6546dfc880cd7daf2c8b50e9fce3f1b2
MD5 hash:
b98edf27c644e77668d12e924fe36497
SHA1 hash:
dbfa9e962e78dfbe5d0926a4fa22cc2fd19f05a4
Link:
https://www.unpac.me/results/4758304f-52da-4e24-bb11-8077d67e1579/
SH256 hash:
d3c8252598d1f7ab050dfc7699db92113ca11cd19f5cb94fe23bcc84c1dde8e8
MD5 hash:
6b3ecaf4c80275a974caca4b3b0b528d
SHA1 hash:
a5725d143e0f48301f9bf533195d0afd2764ec85
Link:
https://www.unpac.me/results/4758304f-52da-4e24-bb11-8077d67e1579/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/4758304f-52da-4e24-bb11-8077d67e1579/
SH256 hash:
8655b97f361462f2f5d402ea09fb1a66e99a865cdb50a99d86e8b4eb3a7cd47f
MD5 hash:
9aea39139785e751478d8ff53a06b543
SHA1 hash:
0d7c56e9bbc5a33aa0ce0854d45c389bd3e5c57b
Link:
https://www.unpac.me/results/4758304f-52da-4e24-bb11-8077d67e1579/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8655b97f3614/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/8655b97f361462f2f5d402ea09fb1a66e99a865cdb50a99d86e8b4eb3a7cd47f

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

Executable exe 8655b97f361462f2f5d402ea09fb1a66e99a865cdb50a99d86e8b4eb3a7cd47f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/193264/

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