MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cad477be21ea2016f1d334a68127e195aa48ef0717e45cac715e7a5f67d30c9. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cad477be21ea2016f1d334a68127e195aa48ef0717e45cac715e7a5f67d30c9
SHA3-384 hash: 298947d9aca7cdcd2d7a153bb823c2875315861af1095798f053fc749d744a54189906ad18c8d219276b883f4f003e00
SHA1 hash: 4d8c215be045f2f3d673a3af8d00b79ebf6ba50f
MD5 hash: 592da10a2f6b18e89935de7f4c3ac4c5
humanhash: fanta-black-ack-twelve
File name:NEW PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'075'200 bytes
First seen:2021-12-20 02:51:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:7Z1W3GIctuzzIfVuL8msZFVst0gKi+NDc:N43zctuKVTlziUi+D
Threatray 13'492 similar samples on MalwareBazaar
TLSH T171353B9EF28031DCF837D5F569755CB99B026CFAD3161089E24B321A0CAE7631A36897
File icon (PE):PE icon
dhash icon 1ebaa69a929292a2 (7 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215296/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61bfefd64ab5c44cbf49bf0f/reports/d4b2a8e1-4569-476b-81f5-c78c4c94d02e/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4c470064-85b3-412b-8dd9-dd9dd1611cbb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909964
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 542442 Sample: NEW PURCHASE ORDER.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 9 other signatures 2->56 7 NEW PURCHASE ORDER.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\nGENBLXJ.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\Temp\tmpE55.tmp, XML 7->34 dropped 36 C:\Users\user\...36EW PURCHASE ORDER.exe.log, ASCII 7->36 dropped 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 mail.jindalpackaging.in 15->38 40 mail.jindalpackaging.in.cust.a.hostedemail.com 216.40.42.5, 49831, 587 TUCOWS-2CA Canada 15->40 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8cad477be21ea2016f1d334a68127e195aa48ef0717e45cac715e7a5f67d30c9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-20 01:10:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rswuo67cd2rac3y5gnfgqet6dfnkjdxqof7elswhcxt2l5t5gdeq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b0497a471a34be0ac2c4719719527d6a73b4a0ad0d7b8f43d9c9af5119ce9cd
AgentTesla
1ceadc04d4c307c8a55165558fbc09995b699ee4180f0e9ca1a69e502561e075
AgentTesla
320c5b4c869e9f7905fbad7dc8d58415d105c8fc5b7d7389cc14cd62c8ebd385
AgentTesla
4ee91a96f4f8219145c883b6e785869dcec4a22bc98e9c95a8472fbfa2c63148
AgentTesla
61e6f5e7ac07ab1b9aa307b1f1feb3be8042a9440dfcdfdcfc6e710e3b0288d6
AgentTesla
65311e0d5afc8166606e9db1371b113b630cc15d4c28d8324273caa1540e211b
AgentTesla
8a327800ffb60ec64017091fe873d8416fc8aa6c0a33c866b36394465e6ae25e
AgentTesla
a57f93957461f7437e7a1d608f3f65cd9c7a9f55fcc1922713ef4717a8e4e648
AgentTesla
d2adec41dcdb2142c210a4025572e29e1c011d079fa04504b35ab55c03376a16
AgentTesla
d8fa10d686fb89d62493a8d1b0f59caefc2da5fdb327b6a65c1ddd65f4c10944
AgentTesla
+ 13'482 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/211220-dcqxlahda4/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a1673b7001184d45f1669b79c23d0af109ce788c6d002469e68b89de53e90550
MD5 hash:
f7147c12319f6f5db9181e5e7df6409c
SHA1 hash:
8b0dc0f664293104d17d65e52d984cb4b4c39482
Link:
https://www.unpac.me/results/f8a615b4-04d1-4064-8d75-9191f41e7cd1/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/f8a615b4-04d1-4064-8d75-9191f41e7cd1/
SH256 hash:
444d53c04a533ae450f6191cec539b12ed87685ba4b001bd0d04bf3ab6e3de00
MD5 hash:
17351369808b1a3d71e14d73bca9086c
SHA1 hash:
2f77d45e47b121533eaac531bd48a5a24e593dca
Link:
https://www.unpac.me/results/f8a615b4-04d1-4064-8d75-9191f41e7cd1/
SH256 hash:
8cad477be21ea2016f1d334a68127e195aa48ef0717e45cac715e7a5f67d30c9
MD5 hash:
592da10a2f6b18e89935de7f4c3ac4c5
SHA1 hash:
4d8c215be045f2f3d673a3af8d00b79ebf6ba50f
Link:
https://www.unpac.me/results/f8a615b4-04d1-4064-8d75-9191f41e7cd1/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8cad477be21e/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/8cad477be21ea2016f1d334a68127e195aa48ef0717e45cac715e7a5f67d30c9

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: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

File information

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

Malspam

AgentTesla

Executable exe 8cad477be21ea2016f1d334a68127e195aa48ef0717e45cac715e7a5f67d30c9

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215296/

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