MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e21b25da6d1e6d4105e3099fbef0c3fc7d880bb79ed3a09b5b7361255475955. 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: 8e21b25da6d1e6d4105e3099fbef0c3fc7d880bb79ed3a09b5b7361255475955
SHA3-384 hash: 0ecc44d6955e5799b64e20899fdb939ae2827d56c47133965e11b72d64e59446f21112b2a6d12e6e147ff2f5963edc3b
SHA1 hash: 1d3f6bac27179b7edb2fa2ac65c92225e29b2008
MD5 hash: d4ab2082f217f9e476b90ae6c4cda32b
humanhash: angel-saturn-march-east
File name:Enquiry.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:919'552 bytes
First seen:2021-08-11 04:27:39 UTC
Last seen:2021-08-11 11:56:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:FNzWcHK7zYheEqnwdS7hc6rYjN9MWjUn+/xv3dmSVh/vI0YkDKwLDN9ueQSlEEPK:rzmXEN6U7Bv34SPvyKKih9SqKe
Threatray 8'240 similar samples on MalwareBazaar
TLSH T15A15022337A58510D0BC13F944AF9141BBF5EC099707D92E6C99F9AA89BEA4CC772313
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
10
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Enquiry.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-11 04:29:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7986481b-9433-4170-a802-2df95433b409

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/178076/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.2004.14876.14632.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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/ec01e917-ea0f-47c9-9c56-9461599056ce
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/830587
Signature
.NET source code contains very large array initializations
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 463018 Sample: Enquiry.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 6 Enquiry.exe 3 2->6         started        10 HjYArO.exe 3 2->10         started        12 HjYArO.exe 2 2->12         started        process3 file4 21 C:\Users\user\AppData\...nquiry.exe.log, ASCII 6->21 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 14 Enquiry.exe 2 9 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 53 Machine Learning detection for dropped file 10->53 55 Injects a PE file into a foreign processes 10->55 19 HjYArO.exe 2 10->19         started        signatures5 process6 dnsIp7 29 webmail.almasroor.com 69.65.3.206, 49739, 49740, 587 ASN-GIGENETUS United States 14->29 23 C:\Users\user\AppData\Roaming\...\HjYArO.exe, PE32 14->23 dropped 25 C:\Users\user\...\HjYArO.exe:Zone.Identifier, ASCII 14->25 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 3 other signatures 14->37 27 C:\Windows\System32\drivers\etc\hosts, ASCII 19->27 dropped file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e21b25da6d1e6d4105e3099fbef0c3fc7d880bb79ed3a09b5b7361255475955/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-10 16:40:47 UTC
AV detection:
20 of 46 (43.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ryq3exng2htniec6gcm7x3ymh7d5raf3phwtucnvw43bevkhlfkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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aca5d511766675be33f5a22545859964cceabe1cb019064c67739d14e769f0bf
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b4d96af292dd978e092a783a3a68d13f937d1ec67504fefb8922df68f5734086
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ea86beebc5237d00ee6fd3cffbbb07e0e625da940cc056e07ff26b9f47ed9a5f
AgentTesla
+ 8'230 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/210811-dbhtsb43pj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
cc84f3a9f30e0bd5059cc70c372745736064f595390932c9b20bc25bae11bfa7
MD5 hash:
9d1819ddc19366e6fa8eca4cac656a09
SHA1 hash:
e89c64b0ad64a31e06669965524e6326d2b634df
Link:
https://www.unpac.me/results/44de01ef-2af1-494d-a5cc-7c6bf53b54bf/
SH256 hash:
557b30550205f48966fa30de145786437d09f13fdd3bcc6cc16cb568402ad0d8
MD5 hash:
a8e023ef51497892d38d4ef2ae524fab
SHA1 hash:
7e7c18306c5320a108feeec0e7a17c25ab079d45
Link:
https://www.unpac.me/results/44de01ef-2af1-494d-a5cc-7c6bf53b54bf/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/44de01ef-2af1-494d-a5cc-7c6bf53b54bf/
SH256 hash:
8e21b25da6d1e6d4105e3099fbef0c3fc7d880bb79ed3a09b5b7361255475955
MD5 hash:
d4ab2082f217f9e476b90ae6c4cda32b
SHA1 hash:
1d3f6bac27179b7edb2fa2ac65c92225e29b2008
Link:
https://www.unpac.me/results/44de01ef-2af1-494d-a5cc-7c6bf53b54bf/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8e21b25da6d1/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/8e21b25da6d1e6d4105e3099fbef0c3fc7d880bb79ed3a09b5b7361255475955

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: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 8e21b25da6d1e6d4105e3099fbef0c3fc7d880bb79ed3a09b5b7361255475955

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178076/

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